Curriculum Vitae for Kristian Hertz - Danmarks Tekniske Universitet

Curriculum Vitae
Kristian Hertz
0
2005-11-14
Curriculum Vitae for Kristian Hertz
Contents
Contents…………………………………………………………………………………………. 0
General CV……………………………………………………………………………………… 1
Languages………………………………………………………………………………………. 2
Grants…………………………………………………………………………………………… 2
Other consulting work ………………………………………………………………………… 3
Invited lectures……………………………………………………….………………………… 4
TV and radio broadcast……………………………………………... ………………………… 6
Patent………………………………..……………...…………………………………………… 7
Thesis……………………………………………………………………………………………. 7
Papers in refereed journals and printed conference contributions………………………….. 8
More CIB Reports circulated in 22 countries and code contributions……………………... 11
Not refereed publications……………………………………………………………………... 13
Constructions designed by Kristian Hertz…………………………………………………… 20
Research results obtained by Kristian Hertz………………………………………………… 21
Pictures of structures and research made by Kristian Hertz……………………………….. 23

Curriculum Vitae
Kristian Hertz
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Curriculum Vitae
Name: Kristian Dahl Hertz
Born: Copenhagen 1950-09-02
1971 Student (math,phys) Frederiksberg Gymnasium.
1976-05-31 Master of Science (Building Design and Structural Engineering) from The Technical
University of Denmark (average of marks: 11,4 on a scale from 0 to 13).
Final project: "A stringer method for calculation of building structures" mark: 13.
1976-07-05 - 1977-10-31 Duty in the Danish Civil Defence as a lieutenant.
One special task in this period was to teach Fire Service and Fire Safety at the officer’s academy.
1978-02-01 - 1980-07-31 Ph.D. study: "Fire Properties of Concrete Constructions” at the Institute of
Building Design, Technical University of Denmark. A new course on Structural Fire Safety was
established and Stringer Theory and Building Stability was taught on other M.Sc. courses.
1980-12-16 Ph.D degree defended. (Diploma signed 1981-07-04).
1980-09-01 - 1986-03-31 Half time employed at the Institute of Building Design, Technical University
of Denmark making projects supported by the Danish Council for Scientific and Technical Research.
Design methods were developed for concrete structures subjected to the load case of fire, and thereby
solving a number of problems for other load cases for example the anchorage problem. New advanced
test methods were developed some of which using microwave power for heating concrete specimens.
1980-09-01 - 1986-03-31 Half time employed as a consulting engineer at the structural department of
M. Folmer Andersen Ltd. making structures in wood and steel and advanced concrete structures such
as partly prestressed shells and untraditional walls and prestressed frames. Own object oriented cross
stringer method was used for calculation of stabilizing walls, floors and shells for example for the
building for the Ministry of Foreign Affairs of Saudi Arabia (MOFA) and for structures made at the
Royal Theatre in Copenhagen.
Responsible for all structural calculations for the MOFA building, and development of EDP methods
for automatic calculations of steel and concrete structures according to British Standards, and stability
calculations and fire safety assessments were made. (Architect: Henning Larsen)
For the rebuilding of the Royal Theatre in Copenhagen a number of untraditional constructions have
been designed. Among these a post tensioned concrete portal surrounding a new hole of 150 m 2 in the
old scene back wall, a 44 m long partly post tensioned half cylinder shell bearing the roof, a ribbed
shell structure over the set piece workshop, a reinforcement of the brick vault over the main entrance
and a project for the replacement of the group Apollo and Pegasus at the roof. Further, a new test
method was developed for finding cavities in old brickwork by means of ultrasonic measurements on
location (architect: Niels Koppel).
Among other projects the following could be mentioned: Industrial buildings for Novo Industry Ltd.
and Meadox Surgimed Inc., a 45 m high bomb safe building for the Central Bank of Iraq and a steel
building for the Central administration of Greenland, a building for the Parliament of Greenland and
buildings for industry, habitation and schools in Denmark and Greenland.
Steel balconies were designed for fire exposure without protecting insulation for the first time in
Denmark.
1986-04-01 - 1986-07-31 Full time employed at the EDP department of M.Folmer Andersen
consulting engineers Ltd. making structural design, and an object oriented EDP program for simulation
of the flow of the cooling system at the MOFA building.

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1986-08-01 - 1987-01-31 Associate Professor in building design at the Danish Engineering Academy.
1987-02-01 - 1992-12-31 Associate Professor in building design and CAD at the Institute of Building
Design of the Technical University of Denmark.
Facilities for CAD research and teaching were established, and 2 courses in CAD were offered.
Research and teaching on the subjects of computer aided building- and structural design, EDP system
design and conceptual modelling. Stability design of multi-storey buildings. Spalling of fire exposed
high strength concrete.
A continuous teaching and renewal of the structural fire safety course, and from 1990 a MSc/PhD.
course on fire safety design of concrete structures at London City University is given once a year.
1993-01-01 - 1995-12-31 Head of Department for the Institute of Building Design DTU.
Research on concrete structures exposed to fire and teaching building design, CAD, stability and
structural fire safety design.
Own design methods were included in the fire chapter of the CEN code for concrete structures.
1996-01-01 - Head of Department of Buildings and Energy DTU with approx. 60 employees.
Research and teaching in Denmark and UK and code work for CEN, fire safety chapters of the Danish
code for concrete structures DS411 and the Danish action code DS410 and DS409.
Consultant for the Danish Ministry of Housing for the introduction of performance based fire safety
design in Denmark.
1999-02-01 a full Master education on Fire Safety is established with 15 internet based courses as an
Open University activity, where the subject of fire dynamics is supported by a visiting professorship of
James Quintiere from University of Maryland sponsored by the Larsen and Nielsen Foundation
initiating a continuous corporation with the University of Maryland and NIST.
As a head of department value based management was introduced 1999-01-01, and at 2000-07-01 the
department was increased to 90 employees by adopting research groups on production and
management, IT and planning.
2001-01-01 - Establishes the department BYG.DTU with 180 employees, and becomes a deputy head
for this department leaving more time for research and teaching.
Is still teaching structural fire safety design in Denmark and UK.
A full set of design methods for concrete structures for the load case of fire is reported in refereed
papers. A new test method for explosive spalling of fire exposed concrete is developed.
A new M.Sc. study in Civil Engineering is established revising the teaching of the department.
Languages:
English, Italian and German
Can read: Russian, French and Spanish
Grants:
1972, 73, 74, 75 E. Mørup-Petersens legat.
1984 Gorm Petersens Mindelegat.

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Other consulting work
1985-04 - 1985-05 Member of a consultant group for the Ministry of Northern Greece for the fire
safety of the Byzantine monasteries at Mount Athos.
1987-06-01 Co-operation with the company Malmstrøm Ltd. on the development of a system of
slender concrete columns using new calculation methods and new concrete materials.
1993-11-04 - Technical assessor for the Danish Accreditation for fire testing labs in Denmark.
1993 - 2001 Member of the Building Sector Board at DTU.
1991 - 1995 Member of project team CEN/TC250/SC2/PT10 writing own methods for fire safety
design of concrete constructions into the Eurocode ENV 1992-1-2. Contributing to the meetings in:
Helsinki 1991-11-26 - 29, Hanover 1992-06-16 - 17, Wiesbaden 1992-11-15 - 17,
Rijswijk 1993-03-21 - 23, Wiesbaden 1993-04-27 - 28, Helsinki 1993-09-22 - 24
and the CEN/TC250/SC2 meeting in Berlin 1994-01-12 – 14.
1996-1998 Member of project teams DS PLU07/U02 and U01 writing own methods for fire safety
design into the Danish code DS411 for concrete constructions and into the Danish Action code DS410.
From 1982 Teaching activities on stringer constructions and on structural fire safety for consulting
companies Carl Bro Ltd., NIRAS Ltd., Erik K.Jørgensen Ltd., Danish Civil Defence, Copenhagen
Airport Ltd. and Arup and Partners.
From 1982 Assessing residual capacity of fire damaged concrete structures for insurance companies
and consulting engineers such as Danish Supermarket central warehouse, Novo, Linex plastic factory
other factories and domestic buildings etc.,
From 1982 Consultant for the design of new structures such as the Fields Shopping Centre, Danish
Radio City, office buildings, steel buildings without fire protection and concrete tunnels in London,
Øresund and in Malmö City, and for new prefabricated elements such as light aggregate concrete slabs
and walls, ship structures, slender high tech columns, prestressed masonry, bubbledecks.
From 2001 Referee for the RILEM Journal Materials and Structures.
From 2003 Referee for the journal Fire Technology.
2005 Referee for the 8th International Symposium on Fire Safety Science in Beijing September 2005.

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Invited lectures
1981-01-21 Danish Concrete Society DIF: Fire Exposed Concrete Structures
1981-03-25 Danish Concrete Society DIF: Concrete and Heat Exposure
1982-11-23 M. Folmer Andersen Ltd: Rome – the city, its buildings and inhabitants.
1984-11-07 Danish Society for Fire Technology DIF: Concrete and Fire
1985-01-09 Danish Society of Bachelor Engineers: Fire Exposed Concrete Structures
1985-09-04 M. Folmer Andersen Ltd: Athos – a travel back in time
1985-11-19 Building Engineers Group DIF: Roman Concrete Buildings
1986-01-20 Building Engineers Group DIF Aalborg: Roman Concrete Buildings
1986-08-19 Society for Building Structures: EDP Calculation of Stringer Structures of Concrete
1987-12-08 Building Engineers Group DIF: Roman Concrete Buildings and Analyses of them
1988-09-15 Danish Society for Fire Technology DIF: Structures at the Royal Theatre.
1988-09-30 Building Engineers Group DIF: Buildings in Rome
1989-02-15 Danish Concrete Society DIF: Rome - City, Buildings and Town Plan.
1989-04-20 Seminar on CAD for Building Design DTH: CAD and Structural Models
1989-05-18 Symposium on Science and EDP DTH: CAD and Building design
1988-06-12 Kajima Institute of Construction Technology Tokyo: Concrete Structures and Fire
1989-09-14 Society of Consulting Engineers: Building Design in the Future
1989-08-04 Danish Society for Fire Technology DIF: Fire at Koldinghus Castle
1989-10-10 Danish Society for Fire Technology DIF: Fire Safety Design of Concrete Structures
1990-04-04 Society of Consulting Engineers: CAD and Conceptual Modelling
1990-10-31 Danish Concrete Society DIF: Concrete Structures and fire
1991-02-22 Building Planning System Seminar: Development of CAD Systems
1991-03-21 ACI Spring Convention 91, Boston: Danish Investigations on Silica Fume Concretes
at Elevated Temperatures. (Key note paper at the technical session "Fire Resistance of Materials
and Members made with High-Strength Concrete”).
1993-02-23 Carl Bro Ltd.: Stringer Calculations of Shear Plate Structures

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1993-12-02 Society of Fire Insurance Engineers: New CEN Codes for Fire Safety Design.
1993-12-02 Society of Fire Insurance Engineers: Fire Safety of Structures Now and in the Past
1995-04-05 The Society of Danish Engineers: Fire and Tunnels
1996-03-27 Society of Fire Insurance Engineers: Preventing Damages During Erection
1998-03-11 Danish Concrete Society DIF: Fire Exposed Light Aggregate Concrete Structures
1998-10-28 Danish Institute of Fire Technology: New Master Education on Fire Safety
1998-11-25 Danish Civil Defence: New Master Education on Fire Safety
1999-01-12 Copenhagen Airport Design Dept.: Fire and Concrete Structures
1999-03-24 Danish Society for Fire Technology DIF: Fire Exposed Concrete Structures
1999-06-08 International Seminar on Fire Models. DTU: Performance Based Structural Codes
1999-09-23 Danish Institute of Fire Technology: Fire Safety Design
1999-11-10 Danish Civil Defence: Assessment of Structural Damages
2000-06-19 The First International Workshop on Structures in Fire. CIB W14: A Survey of a System
of Methods for Fire Safety Design of Traditional Concrete Constructions
2003-05-22 Nordic Mini Seminar: Fire Resistance of Concrete Constructions
with Expanded Clay Aggregate
2003-09-30 University of Maryland: Concrete and Fire Research
2003-10-01 ASCE-SFPE Conference "Designing Structures for Fire": Application of Idealized
Materials Data for Calculation of Fire Exposed Concrete Constructions.
2003-11-13 Danish Association for Passive Fire Protection: Master Education and Research.
2004-02-25 Nordic Road Association Workshop on Bridges and Tunnels: DTU Research on
Explosive Spalling of Concrete.
2004-04-23 Carl Bro Ltd.: Function Based Structural Fire Safety Design of Concrete Structures.
2004-05-11: The Danish Civil Defence course for Fire Chiefs: Function Based Structural Fire
Safety Design and Structural Investigations after a Fire.
2004-11-30: Danish Society for Building Materials. Ancient Building Technology. DIF.
2005-03-09: Danish Society for Building Materials. Fire Exposed Reinforcing Steel. DIF.
2005-04-06: Danish Concrete Society. Fire Exposed Concrete Structures. DIF.

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TV and radio broadcast:
1984-05-15 and 1984-05-24 DR1 TV
On sea wave power.
Danish Radio and Television
1985-05-02 and 1985-05-04 Greek TV
On Fire precautions for historical buildings.
1990-10-09 DR Copenhagen Radio
On the sound of fire damaged concrete.
Danish Radio and Television
1994-07-07 DR1 TV news, journalist Michael Kamber
On fire exposed concrete.
Danish Radio and Television
1994-07-20 DR P1 Orientering
On fire exposed high strength concrete.
Danish Radio and Television
1994-10-17 DR Radio news
On fire and dense concrete for Great Belt and Øresund.
Danish Radio and Television
1995-01-21 DR P1 Orientering
On fire exposed high strength concrete.
Danish Radio and Television
1995-10-29 TV Magasinet Øresund
On fire and concrete for the Oeresund connection.
Danish Radio and Television
1998-03-11 DR1 TV news, journalist Carsten Riis
Lack of fire resistance of concrete structures.
Danish Radio and Television
1998-06-02 DR1 Rapporten, journalist Martin Østergaard and Jens Olaf Jersild
Full scale fire test for open screen of Great Belt tunnel element.
Danish Radio and Television

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Patent:
”Anlæg til udnyttelse af energien i en væskemasses overfladebølger f.eks. bølger på en havoverflade”.
Device for utilization of the energy in surface waves of a mass of liquid for example on a sea surface.
Danish Patent No.148925, May 1986. (Also applied in N, UK, NL, USA, J and AUS)
Thesis:
K.D.Hertz: Betonkonstruktioners brandtekniske egenskaber.
(Fire Properties of Concrete Constructions) Part 1 of Ph.D.-Thesis.
Rapprort Nr.140. Instituttet for Husbygning DTH. Lyngby 1980. 210p.
K.D.Hertz: Armeringsståls forankring ved høje temperaturer.
(Anchorage of Reinforcing Bars at High Temperatures) Part 2 of Ph.D.-Thesis.
Rapport Nr.138. Instituttet for Husbygning DTH.
Lyngby 1980. 103p.
K.D.Hertz: Reference List on Concrete Constructions
Exposed to High Temperatures. Part 3 of Ph.D.-Thesis.
Report No.141. Institute of Building Design,
Technical University of Denmark. 1980. 63p.

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Papers in refereed journals and printed conference contributions:
K.D.Hertz: Beregning af skivekonstruktioner ved hjælp af krydsende stringersystemer.
(Calculation of Shear Plate Constructions by means of Crossing Stringer Systems)
Bygningsstatiske Meddelelser Vol.49 Nr.4 1978 p.113. 17p.
K.D.Hertz: Bond Between Concrete and Deformed Bars
Exposed to High Temperatures.
Paper presented at the CIB W14 conference in Athens May 19-23, 1980.
Institute of Building Design, Technical University of Denmark. Lyngby 1980. 10p.
K.D.Hertz: Design of Fire Exposed Concrete Structures.
Report No.160. Institute of Building Design,
Technical University of Denmark. Lyngby 1981. 50p.
Presented at the CIB W14 conference in Haag May 1982
CIB W14/81/20 (DK).
K.D.Hertz: The Anchorage Capacity of Reinforcing Bars
at Normal and High Temperatures.
Magazine of Concrete Research Vol.34, No.121, pp.213-220.
December 1982.
K.D.Hertz: Equivalent Time of Fire Exposure for Concrete Structures.
Report No.163. Institute of Building Design,
Technical University of Denmark. Lyngby 1983. 24p.
Presented at the CIB W14 conference in London May 1984
CIB W14/83/3 (DK).
K.D.Hertz: Equivalent Time of Fire Exposure for Concrete Structures.
Report No.163. Institute of Building Design,
Technical University of Denmark. Lyngby 1983. 24p.
Presented at the CIB W14 conference in London May 1984
CIB W14/83/3 (DK).
K.D.Hertz: Microwave Heating for Fire Material Testing of Concrete
- An Experimental Study.
Report No.164. Institute of Building Design,
Technical University of Denmark. Lyngby 1983. 38p.
Presented at the CIB W14 conference in London May 1984
CIB W14/83/19 (DK).
K.D.Hertz: Heat-Induced Explosion of Dense Concretes.
Report No.166. Institute of Building Design,
Technical University of Denmark. Lyngby 1984. 20p.
Presented at the CIB W14 conference in London May 1984)
CIB W14/84/33 (DK).

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K.D.Hertz: Fire Protection of Historical Buildings in Denmark.
Fire Protection of the Monasteries of Mount Athos - A Catalogue of Ideas.
Report No.168. Institute of Building Design,
Technical University of Denmark. Lyngby 1985. 18p.
Presented at the CIB W14 conference at Mount Athos and Thessalonica April 1985
K.D.Hertz: Explosion of Silica-fume Concrete.
Fire Safety Journal Vol.8, No.1, p.77.
Elsevier Sequoia.
Lausanne 1985.
K.D.Hertz: Residual Properties of Concrete Heated Rapidly.
ACI American Concrete Institute,
Special Publication SP-92, pp.143-152.
Detroit 1986.
K.D.Hertz: Analyses of Prestressed Concrete
Structures Exposed to Fire.
Report No.174. Institute of Building Design,
Technical University of Denmark. Lyngby 1985. 154p.
Presented at the CIB W14 conference in Kyoto June 1988
CIB W14/85/9 (DK).
K.D.Hertz: An Introduction to Computer Aided Fire Safety Design.
Report No. 188. Institute of Building Design,
Technical University of Denmark, Lyngby 1988, 20p.
Presented at the CIB W14 conference in Kyoto June 1988
CIB W14/88/49 (DK)
K.D.Hertz: Silica Fume Concretes at Elevated Temperatures.
Key Note Speech at a special session on the author’s findings
at the ACI Spring Convention in Boston March 1991.
K.S.Virdi, K.D.Hertz: Inter University Cooperation Programme.
Invited paper for Erasmus Newsletter, February 1991. 9p.
K.D.Hertz: A Coherent Description of the Process of Design.
Design Studies. Vol.13, No.4, pp.393-410.
Butterworth-Heinemann, October 1992.
K.D.Hertz: Danish Investigations on silica Fume Concretes at Elevated Temperatures.
ACI Materials Journal. Vol.89, No.4. pp.345-347.
American Concrete Institute, July-august 1992.
K.D.Hertz: A Survey of a System of Methods for Fire Safety Design
of Traditional Concrete Constructions.
Proceedings of the First International Workshop on Structures in Fire, pp.283-292.
University of Liege, June 2001.

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K.D.Hertz: Fire Resistance of Concrete Constructions with Expanded Clay Aggregate.
Proceedings of Nordic Mini-Seminar on Concrete and Fire, May 2003, 3p.
K.D.Hertz, L.S.Sørensen, F.H.Kristiansen: Explosive Spalling of Fire Exposed Resource Saving
Concrete Structures.
Proceedings of Nordic Mini-Seminar on Concrete and Fire, May 2003, 3p.
K.D.Hertz: Limits of Spalling of Fire-Exposed Concrete.
Fire Safety Journal. Vol.38, No. 2, pp.103-116.
Elsevier Science Ltd. 2003.
K.D.Hertz: Application of Idealized Materials Data for Calculation of Fire Exposed Concrete
Constructions.
Proceedings of ASCE-SFPE Conference "Designing Structures for Fire"
Baltimore September 2003. pp.147-153.
Fire Protection Engineers and Structural Engineering Institute.
K.D.Hertz: Reinforcement Data for Fire Safety Design
Magazine of Concrete Research Vol.56, No.8, pp.453-459.
Thomas Telford Ltd. October 2004.
K.D.Hertz and L.S.Sørensen: Test Method for Spalling of Fire Exposed Concrete.
Fire Safety Journal Vol.40, No.5, pp.466-476.
Elsevier Science Ltd. July, 2005.
K.D.Hertz: Concrete Strength for Fire Safety Design.
Magazine of Concrete Research Vol.57, No.8, pp.445-453.
Thomas Telford Ltd. October 2005.
K.D.Hertz: Quenched Reinforcement Exposed to Fire.
Accepted for publication by Magazine of Concrete Research.
2005-03-10. 10p.
K.D.Hertz: Assessment of Performance-Based Requirements for Structural Design.
Proceedings of the 8th International Symposium on Fire Safety Science in Beijing September
2005. 14p.

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More CIB Reports circulated in 22 countries and code contributions:
K.D.Hertz: Microwave Heating for Fire Material Testing
of Concrete - A Theoretical Study.
Report No.144. Institute of Building Design.
Technical University of Denmark. Lyngby 1981. 25p.
CIB W14/81/3 (DK).
K.D.Hertz: Simple Temperature Calculations of
Fire Exposed Concrete Constructions.
Report No.159. Institute of Building Design,
Technical University of Denmark. Lyngby 1981. 54p.
CIB W14/81/13 (DK).
K.D.Hertz: Stress Distribution Factors.
Report No.160. Institute of Building Design,
Technical University of Denmark. Lyngby 1981. 60p.
CIB W14/81/14 (DK).
K.D.Hertz: Design Philosophy for Fire Exposed Concrete Structures.
Report No.169. Institute of Building Design,
Technical University of Denmark. Lyngby 1985. 32p.
CIB W14/85/8 (DK).
J.Dotreppe, K.D.Hertz: Eurocode 2, Design of Concrete Structures,
CEN ENV 1992-1-2, Part 1-2 Structural Fire Design.
Chapter 3 Material properties.
CEN. January 1994. 5p.
K.D.Hertz: Eurocode 2, Design of Concrete Structures,
CEN ENV 1992-1-2, Part 1-2 Structural Fire Design.
Chapter 4.3 Simplified Calculation Method.
CEN. January 1994. 6p.
J.Mathez, K.D.Hertz: Eurocode 2, Design of Concrete Structures,
CEN ENV 1992-1-2, Part 1-2 Structural Fire Design.
Chapter 4.5 Shear.
CEN. January 1994. 1p.
K.D.Hertz: Eurocode 2, Design of Concrete Structures,
CEN ENV 1992-1-2, Part 1-2 Structural Fire Design.
Appendix 2 Temperature profiles and reduced cross section.
CEN. January 1994. 4p.
K.D.Hertz et.al.: DS 410 Norm for last på konstruktioner. Kapitel 11..
(DS 410 Danish Action Code, Chapter 11)
Dansk Standard 1999, 6p.

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K.D.Hertz et. al: DS 411 Norm for betonkonstruktioner. Kapitel 9.
(DS 411 Danish Code for Concrete Constructions, Chapter 9)
Dansk Standard 1999, 15p.
K.D.Hertz, J.Dotreppe: Strength Reduction. Chapter 4.2.4 of CEN prEN 1992-1-2, 2nd draft,
Design of Concrete Structures Part.1.2 Structural Fire Design. Brussels July 2001. pp.34-36.
K.D.Hertz: Zone Method. Chapter B.4 of CEN prEN 1992-1-2, 2nd draft,
Design of Concrete Structures Part.1.2 Structural Fire Design. Brussels July 2001. pp.85-88.

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Not refereed publications
F.Gravesen, K.P.Harboe, K.Helweg-Larsen, K.D.Hertz,
V.T.Frederiksen, S.Koch, H.Larsen, J.F.Munch-Petersen, E.Reitzel:
Debatoplæg til idékonkurrencen om brug af glasuldbaserede sandwichelementer.
(Concept competition on application of sandwich elements based on mineral wool)
Arkitekten Nr.7 1979 p.125. 5p.
K.D.Hertz: Indføring i stringerteori. (Lecture Notes on Stringer Theory)
Forelæsningsnotat Nr.56. Instituttet for Husbygning DTH.
Lyngby 1979. 36p.
K.D.Hertz: Bond Between Concrete and Deformed Bars.
Nordtest Method Proposal. Institute of Building Design,
Technical University of Denmark. Lyngby 1980.
K.D.Hertz: Calculation of Plate Constructions by Orthogonal Stringer Systems.
M.Folmer Andersen Consulting Engineers A/S. Lyngby 1981.
K.D.Hertz: Brandpåvirkede betonkonstruktioner.
(Fire Exposed Concrete Structures)
Dansk Betonforening, publikation Nr.11:1981.
DIF/Teknisk Forlag. København 1981. 48p.
K.D.Hertz: Beregning af træsamlinger under brand.
(Fire Safety Design of Wood Connections)
Tidsskriftet Brandværn Nr.6:81 p.11-13.
København juni 1981.
K.D.Hertz: Brandteknisk dimensionering af betonkonstruktioner.
(Fire Safety Design of Concrete Constructions) Lecture notes
Forelæsningsnotat Nr.62. Instituttet for Husbygning DTH. Lyngby 1981. 50p.
K.D.Hertz: Branddimensionering - hvorfor og hvordan?
(Dire Safety Design – Why and How?)
Tidsskriftet Brandværn Nr.12:81 København december 1981. pp.6-7.
K.D.Hertz: Beton og brand. (Concrete and Fire)
Tidsskriftet Brandværn Nr.3:82 København marts 1982. pp.4-5.
K.D.Hertz: Ældre stålprofiler. (Old Steel Cross Sections)
Internt notat. M.Folmer Andersen A/S. Lyngby 1982. 88p.
K.D.Hertz: Bølgeenergi. - Udviklingsrapport vedrørende et patenteret princip
til udvinding af elektricitet af havbølger. (Sea Wave Power)
Teknologisk Instituts Forlag. Tåstrup, november 1983.
K.D.Hertz: Eksplosion og reststyrke af varmepåvirket silikabeton.
(Explosion and Residual Strength of Heated Silica Fume Concrete)
Rapport Nr.162. Instituttet for Husbygning DTH. Lyngby 1982. 12p.
K.D.Hertz: Brandteknisk dimensionering af trækonstruktioner.

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(Fire Safety Design of Wood Structures) Lecture notes
1. reviderede udgave. Forelæsningsnotat Nr.64.
Instituttet for Husbygning DTH. Lyngby 1983. 33p.
Forelæsningsnotat DIA-B. Lyngby 1986. 33p.
K.D.Hertz: Bilig energi i bølgekraft.
(Cheap Energy from Sea Wave Power)
Ingeniøren Nr.37, København 14. september 1984. p.6.
K.D.Hertz: Det Kongelige Teater: Et kompliceret hul i en væg.
(The Royal Theatre: A Complicated Hole in a Wall)
Ingeniøren Nr.48, København 30. november 1984. p.4.
K.D.Hertz: CAD i byggesektoren ved DTH, Planer og status oktober 1987.
(CAD for Building Design at DTH. Plans and Status October 1987)
Rapport nr. 183. Instituttet for Husbygning, DTH.
Lyngby 1987, 36p.
K.D.Hertz: Noter til kursus 6915 CAD i byggesektoren:
CAD og projektering, Tegninger i CAD,
(Lecture notes on CAD design and CAD drawings)
Instituttet for Husbygning, DTH. Lyngby 1987, 25p.
K.D.Hertz: Metoder til planlægning af CAD-systemer til bygningsprojektering.
(Methods for Planning CAD Systems for Building Design)
Rapport nr. 186.
Instituttet for Husbygning, DTH.
Lyngby 1988, 46p.
K.D.Hertz: Planlægning af byggetekniske CAD-systemer ved brug af data flow diagrammer.
(Planning CAD Systems for Building Design by means of Data Flow Diagrams) Lecture notes
Forelæsningsnotat nr. 71.
Instituttet for Husbygning, DTH.
Lyngby 1988, 48p.
K.D.Hertz: Stress Distribution Factors, 2. Edition.
Report No. 190 Institute of Building Design,
Technical University of Denmark, Lyngby 1988, 68p.
K.D.Hertz: Projektering med CAD. (Design with CAD)
Byggeindustrien nr. 10, 1988, p.40 - 41.
Teknisk Forlag København 1988.
K.D.Hertz: Problemer og muligheder i en bygningsprojektering med CAD.
(Problems and Possibilities of a Building Design with CAD)
Rapport nr. 193. Instituttet for Husbygning, DTH
Lyngby 1988, 77p.

Curriculum Vitae
Kristian Hertz
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2005-11-14
K.D.Hertz: De rådgivende lægger strategi.
(A Strategy of the Consulting Engineers)
Ingeniøren nr. 35 1989 p.11.
Teknisk Forlag København 1989.
K.D.Hertz: Om CAD og indsatsområdet CAD i byggesektoren ved DTH.
(About CAD and the Efforts made on CAD for Building Design at DTH)
Materiale fra Seminar om CAD i byggesektoren ved DTH.
Instituttet for Husbygning, DTH, Lyngby 1989, 9p.
K.D.Hertz: Hvad er CAD? - et forsøg på at definere de svære ord..
(What is CAD?)
Materiale fra Seminar om CAD i byggesektoren ved DTH.
Instituttet for Husbygning,
DTH Lyngby 1989, 2p.
K.D.Hertz: Beretning om CAD seminar ved DTH-B 1989-04-20.
(Report on the CAD Seminar at DTH)
Instituttet for Husbygning, DTH, Lyngby 1989, 5p.
J.M.Nielsen og K.D.Hertz:
Spændende byggeri med datamatiseret "bogholderisystem".
(Exiting Buildings using Conceptual Modelling for EDP)
Forskning & innovation DTH DIA, November 1989, p.12 - 13
Informationsafdelingen på DTH, Lyngby 1989.
K.D.Hertz: CAD i byggesektoren ved DTH, Planer og status ultimo 1989.
(CAD at DTH Building, Plans and Status 1989)
Rapport nr. 196. Instituttet for Husbygning, DTH
Lyngby 1989, 70p.
K.D.Hertz: Objektorienteret programmering til CAD.
(Object Oriented Programming for CAD) Lecture note.
Note til faget CAD i byggesektoren ved DTH.
Instituttet for Husbygning, DTH, Lyngby 1990, 11p.
T.Arent, F.Vestergaard og K.D.Hertz:
Om indsatsområdet CAD i byggesektoren ved DTH.
(Efforts on CAD for Building Design at DTH)
Sletten nr. 1, 1990 p.8 - 9.
Avisen ved DTH og DIA, Lyngby 1990.
T.Arent, K.D.Hertz: Brand. (Fire. A paper for DTH Annual Report)
Specialartikel til Årsrapporten for DTH 1989, p.26 - 27.
Lyngby 1990.

Curriculum Vitae
Kristian Hertz
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2005-11-14
K.D.Hertz: CAD i byggesektoren ved DTH. Planer og status ultimo 1990.
(CAD at DTH Building, Plans and Status 1990)
Rapport nr. 210.
Instituttet for Husbygning, DTH
Lyngby 1990, 60p.
K.D.Hertz: Relations between Design and Classification. 9p. 1991.
A Top Down Approach to the CEN/TC250/SC2/PT10. 3p. 1991.
Thermo-Mechanical Material Properties. 5p. 1992.
Simple Calculation Method. 3p. 1992.
Simple Calculation Method for Instability. 1p. 1992.
Simplified Temperature Calculation. 3p. 1992.
K.D.Hertz: Papers for CEN/TC250/SC2
Institute of Building Design
Lyngby 1991, 9p.
Anchorage. 2p. 1992.
Comment on the 500°C Method. 3p. 1992.
K.D.Hertz et. al.: Draft of Eurocode 2, Design of Concrete Structures, Part 10,
Structural Fire Design. CEN/TC250/SC2/PT10 N20
CEN, Bruxelles. August 1992. 67p.
K.D.Hertz: Necessary Deviation Clauses in Codes. 18p. 1992.
Papers for CEN/TC250.
J.Mathez, K.D.Hertz: Shear and Torsion. 1p. 1992.
Prper for CEN/TC250/PT10.
K.D.Hertz: Kraftfordeling i skiver med trykbuer.
(Distribution of Forces in Plates with Compression Arches) Lecture notes
Notat til kursus 6524, Præfabrikerede Bygninger 2.
Instituttet for Husbygning, DTH, Lyngby 1992. 19p.
K.D.Hertz: Informationsflow i en bygningsprojektering, Projekteringsprocessen.
(Information Flow in the Process of Building Design) Lecture notes
Notat til kursus 6915, CAD i Byggesektoren.
Instituttet for Husbygning, DTH, Lyngby 1992. 13p.
K.D.Hertz: Simplified Calculation Method for Fire Exposed Concrete Structures,
Supporting Document for CEN PR-ENV 1992-1-2.
Report No. 203,
Institute of Building Design, Technical University of Denmark, Lyngby 1993, 47p.

Curriculum Vitae
Kristian Hertz
17
2005-11-14
K.D.Hertz: Conceptual Modeller for Computer Aided Building Design.
Note for the DTU course 6915 Computer Aided Building Design.
Institute of Building Design
Technical University of Denmark,
Lyngby February 1994, 12p.
K.D.Hertz:
Redegørelse for undervisningen i Bygningsprojektering og CAD ved IFH.
(The Building Design and CAD Education at IFH)
Instituttet for Husbygning,
Danmarks Tekniske Universitet, november 1994, 6p.
K.D.Herz:
BMP-sektorens identitet og institutstruktur.
(Structure and Identity of the Building Sector at DTU)
Instituttet for Husbygning,
Danmarks Tekniske Universitet, december 1994, 12p.
E.S.Pedersen, K.D.Hertz:
Foreløbig rapport vedr. brandpåvirkede betonkonstruktioners bæreevne.
(Report on Fire Exposed Concrete Structures)
Betoncenteret, Dansk Teknologisk Institut. 1995, 20p.
K.D.Hertz:
Conceptual Modeller for Computer Aided Building Design. Version 3.
Note for the DTU course 6915 Computer Aided Building Design.
Institute of Building Design
Technical University of Denmark, Lyngby 1995, 12p.
K.D.Hertz:
Undervisning i miljørigtig projektering ved DTU.
(Teaching Environmental Correct Design at DTU)
Internt notat. Instituttet for Husbygning
Danmarks Tekniske Universitet, 1995, 4p.
K.D.Hertz: Bygningsprojekteringsprocessen.
(The Process of Building Design) Lecture notes
Forelæsningsnote. Instituttet for Husbygning
Danmarks Tekniske Universitet, 1995, 21p.
K.D.Hertz: Beregningsmetode til brandteknisk dimensionering
af konstruktioner i letklinkerbeton.
(Method for fire Safety Design of Structures of Light Aggregate Concrete)
Rapport R017.
Institut for Bygninger og Energi, DTU, 1997, 13p.

Curriculum Vitae
Kristian Hertz
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2005-11-14
K.D.Hertz: Comments on Simplified Method for Dire Exposed Concrete Columns
- As found in ENV 1992-1-2 chapter 4.3,
and in proposal for Danish Code of Practice DS 411 Chapter 9.
Department of Buildings and Energy DTU and Danish Standards Institution, 1998, 43p.
K.D.Hertz: Limits of Spalling of Fire Exposed Concrete.
Department of Buildings and Energy DTU and Danish Standards Institution, 1998, 11p.
K.D.Hertz: Analyses of Concrete Structures Exposed to Fire.
Lecture Notes U-050.
Department of Buildings and Energy, DTU, 1999, 92p.
K.D.Hertz: Brandteknisk dimensionering af trækonstruktioner.
(Fire Safety Design of Wood Structures) Lecture notes
Notat U-051.
Institut for Bygninger og energi, DTU, 1999, 35p.
K.D.Hertz: Thermal Radiation for Structural Fire Safety Design.
Lecture Note U-052.
Department of Buildings and Energy, DTU, 1999, 20p
K.D.Hertz: Masteruddannelse i brand
(Master Education in Fire Safety)
Byggeindustrien Nr. 9, 1999 pp.20-21.
K.D.Hertz: Kvalitetssikring
(Quality Management) Lecture notes
Forelæsningsnotat U-072,
Institut for Bygninger og Energi, DTU, 2000, 7p.
K.D.Hertz: Brandteknisk projektering.
(Fire Safety Design) Lecture notes
Forelæsningsnotat U-073,
Institut for Bygninger og Energi, DTU, 2000, 7p.
K.D.Hertz, E.J de Place Hansen: Brandteknisk dimensionering af letklinkerbeton Beregning af
brandmodstandstid (Fire Safety Design Light Aggregate Concrete - Calculation of Fire Resistance).
Report SR-01-10 BYG.DTU. 2001. 43p.
K.D.Hertz: Documentation for Calculations of Standard Fire Resistance of Slabs and Walls of
Concrete with Expanded Clay Aggregate. BYG.DTU, Report R-048, December 2002, 43p.
K.D.Hertz: Brandforsøg verificerer beregningsgrundlag for brandpåvirkede dækelementer af
letklinkerbeton. (Full Scale Tests Verifies Calculation Methods for Fire Exposed Floor Elements of
Light Aggregate Concrete)
Dansk Beton No.4:2002, November 2002, pp.17-18.

Curriculum Vitae
Kristian Hertz
19
2005-11-14
K.D.Hertz: Documentation for Calculations of Standard Fire Resistance of Slabs and Walls of
Concrete with Expanded Clay Aggregate.
Report R-048. BYG.DTU. Revised April 2003. 43p.
K.D.Hertz: Beregningsgrundlag for brandpåvirkede vægge af letklinkerbeton.
(Calculation Methods for Fire Exposed Walls of Light Aggregate Concrete)
Dansk Beton No.1:2003, Februar 2003, pp.22-23.
F.H.Kristiansen, K.D.Hertz, L.S.Sørensen: Eksplosiv afskalning af beton.
Nyudviklet prøvningsmetode. (Explosive Spalling of Concrete. A New Test Method)
Rapport R-050, BYG.DTU, 2003, 76p.
K.D.Hertz: Beregningsprogrammer for brandpåvirkede konstruktioner af letklinkerbeton.
(Computer Programs for Fire Safety Design of structures of Light Aggregate Concrete)
Dansk Beton No.2:2003, Maj 2003, pp.26-29.
L.S.Sørensen, K.D.Hertz: Brandprøvning af betoner i forbindelse med Malmö Citytunnel.
Test for eksplosiv afskalning. (Fire Tests of Concretes for the City Tunnel in Malmö.
Test for Explosive Spalling). Report SR-03-18, BYG.DTU, Oktober 2003. 50p.
K.D.Hertz: Brandtekniksk dimensionering af trækonstruktioner.
(Fire Safety Design of Wood Structures).
Lecture Notes U-064, BYG.DTU, August 2004. 36p.
K.D.Hertz: Thermal Radiation for Structural Fire Safety Design.
Lecture Notes U-065, BYG.DTU, August 2004. 19p.
K.D.Hertz: Review of Differences of Steel related Properties between Proposals of European
Structural Codes. Letter to CEN/TC250. April 1993.
Department of Civil engineering, Technical University of Denmark, 2004, Report 099.
K.D.Hertz: Funktionsbaserede brandkrav til bygningskonstruktioner. (Performance Based
Requirements for Building Structures). Lecture Notes U-068, BYG.DTU, December 2004. 6p.
K. Selsø, K.D.Hertz: Nye lempede brandkrav risikerer at koste liv.
(New easier fire safety requirements may cause lives)
Ingeniøren (Magazine of the Society of Danish Engineers), 2005-01-28 p 1:8.
K. Selsø, K.D.Hertz: Danske firmaer kan tjene formuer på brandsikkert byggeri.
(Danish companies can own fortunes on fireproof buildings)
Ingeniøren (Magazine of the Society of Danish Engineers), 2005-01-28 p 1:8.
K.D. Hertz: Vedhæftningsstyrke af Spændliner ved Brandpåvirkning.
Rapport BYG.DTU SR 05-12, BYG.DTU, August 2005. 10 p.

Curriculum Vitae
Kristian Hertz
20
2005-11-14
Constructions designed by Kristian Hertz:
Ministry of Foreign Affairs of Saudi Arabia: Organising all structural calculations. Design of
stabilizing constructions for the whole building comprising 25 concrete walls with holes and
discontinuities, hung up shear walls, octagonal towers, frame constructions of concrete, vaults,
composite constructions, beams and columns of steel and concrete, castellated beams, N-girders
and point supported decks.
The Royal Theatre: 30 m concrete beam cast in sections in 1m thick scene back wall and fully
prestressed by 8 Freyssinet cables following moment curves, two17 m high concrete columns to
support the beam. Stabilizing concrete shear walls. Hole of size as scene opening established in
the scene back wall. New 30x30 m portal wall as a frame construction of concrete next to the
back wall with an opening of 8x18 m. Special designed TT-60 prestressed concrete slabs
spanning 22 m and horizontally fire separating. 44 m long half cylinder shell construction partial
prestressed by 12 Freyssinet cables following moment curves and supported by 6 special made
bridge supports of steel. Concrete beam hung up in wall structure by prestressed rods. Ribbed
quarter cylinder shells and rib deck of reinforced concrete loaded by stabilizing shear forces.
Stability of whole building.
Holes and reinforcement of brick vault at main entrance. Replacement project for the statue of
Apollo and Pegasus at the roof.
Central Storehouse in Godthåb: Epoxy injection of cracks in 1000 m 2 concrete deck, where a
partial prestress was established of the cracks by hanging the decks and secondary beams by
means of rods in the upper storey constructions, while the deck was fully loaded during the
injection, and the prestress was established by the unloading of the deck.
Central Bank of Iraq: Stabilizing deck structure for bomb safe 45 m high building.
An Iranian missile later hid the top of the building proving its bomb safe stability in full scale.
Meadox Surgimed A/S: Concrete element project for administration building and cast T shaped
columns with prefab beams, TT slabs and dense ceiling for clean medical production area.
Greenland's Government Building: Steel columns, beams, decks and stabilizing structure for
administration building.
Greenland's Parliament: Design project for roof, walls and balcony.
Bispevangen: Balcony constructions of steel without fire protection.
Lehwalds Vænge: Balcony constructions as frames without fire protections.
Bytoften: Balcony constructions without fire protection.
Prior school in Narssaq: Complete concrete project for the building.
NOVO Industri A/S Bagsværd: Alterations of the buildings: 9M, 1T, BA2K, 6BC, 6D, 6Bd,
BJ, 6P.
NOVO Industri A/S Kalundborg building AC og BC: Steel constructions for tanks.
Youth club in Narssaq: Building of wood construction.
Dissing+Weitling's house: Alterations of the 300 year old roof construction.
Qajaasaarfik Syd: Staircase buildings of wood.
Harbour storehouse in Upernavik: Reinforcement of concrete beam ends and point supported
stabilizing concrete wall.
Vitral: Aluminium-glass pyramid.
Asiatic Storehouse: Wood structure supporting an equestrian statue.
Kommunekemi: Fire assessment of concrete- and steel constructions.
Nussuaq school: Single constructions.
Julianehåb domestic houses: Foundation walls in concrete.
Åbenrå Swimming Bath: Steel pylon for water slide.
Consultant on a number of structures: Fields, Malmö City Tunnel, Danish Radio City,
Domestic buildings of unprotected steel or with slender high tech columns, Slabs and Walls of
light aggregate concrete, Prestressed masonry, Bubbledecks.

Curriculum Vitae
Kristian Hertz
21
2005-11-14
Research results obtained by Kristian Hertz:
Develops an object oriented EDP method for calculation of force distributions in shear walls and
plates modelled by two crossing systems of stringers combined by shear membranes. The
method can be applied on folded and connected walls and plates and in practise it has proven to
be much cheaper and easier to apply than traditional finite element programs.
Invents a patented machine capable of utilising the power of sea waves.
Creates a set of concepts and a cognitive structure based on the theory of sets and Empiricism.
Using this for a logical representation of building design data in a CAD system, and develops a
number of versions of an object-oriented program for conceptual modelling for UNIX and
Windows with interface to AutoCAD and a separate user interface.
Makes the first coherent description of the mechanical and chemical changes of concrete
subjected to high temperatures based on a comprehensive literature study of 500 references and
300 test series supplemented by own test results.
A new method for testing the bond strengths of variable reinforcing bars in variable concretes
and in fire damaged concretes. Finds that the bond strength can be calculated for reinforcement
of sufficient corrugation.
A calculation model for the anchorage strength of reinforcement as a minimum of the bond
strength and a splitting strength, which depends entirely on the cross section. The method gives
up to 10-20 times less anchorage lengths than the codes prescribed, and for the first time it
offered an explanation to the short anchorage lengths observed to be necessary for slabs in tests
and practise.
Explains why an effectiveness factor is needed for shear design and how it depends on the cross
section.
Discovers how concrete specimens can be heated to more than 1000°C in a microwave oven
without giving rise to thermal stresses, which until then had spoiled any attempt on finding the
mechanical properties of rapid heated concrete.
Finds for the first time how the mechanical properties changes for concrete heated rapidly.
Develops a fireproof concrete based on Danish raw materials.
Finds as the first that high strength concrete densified by micro-silica has an increased risk of
explosive spalling, even at slow heating rates.
Finds that thermal stresses from hindered thermal expansion can be a precondition for explosive
spalling of certain dense concretes.
Develops a new test method capable of deciding whether a concrete may have a spalling problem
for hindered thermal expansion by means of a standard cylinder.
Finds that melamine based superplasticizing additives can give toxic gases like ammonia when
heated.

Curriculum Vitae
Kristian Hertz
22
2005-11-14
Develops a full set of calculation methods for the plastic load bearing capacity of concrete beams
and slabs subjected to moment load, shear and axial load, and for columns and walls. The basic
methods are adopted as simplified calculations in the fire chapter of the European CEN code for
concrete structures ENV 1992-1-2 and in the Danish code DS411.
Develops simple temperature calculation methods as exact solutions to the Fourier equation.
Develops a new expression describing fully developed fires for the Danish Action code DS410.
Develops a general expression describing deterioration of building materials at high
temperatures.
Develops design methods for slabs and walls of light aggregate concrete.
Develops a new calculation method for assessing a curved lined stress-strain distribution of a
concrete cross section subjected to moment load and axial load. The method can be used for
calculation of deflections of beams with slack and prestressed reinforcement as well as deflection
and stability of cross loaded columns and fits continuously with a plastic design when the cross
load varies towards ultimate load, and continuously with the Rankine formula, when the load is
varied towards a central column load. In addition the calculations can be made for fire exposure.

Curriculum Vitae Pictures
Kristian Hertz
23
2005-11-14
Pictures of structures and research made by Kristian Hertz
Royal Theatre Copenhagen. Portal with 30 m post tensioned beam and columns
outbalancing 1 m thick 100 year old back scene wall, which deflected 0.18 mm.
Royal Theatre Copenhagen. 30x30 m concrete portal frame wall next to the back scene wall.
Special designed 22 m TT-60 slabs, and 44 m long half cylinder shell.

Curriculum Vitae Pictures
Kristian Hertz
24
2005-11-14
Royal Theatre Copenhagen. 44 m partly post tensioned half-cylinder shell.
Ministry of Foreign Affairs of Saudi Arabia. Stabilizing walls and shells.

Curriculum Vitae Pictures
Kristian Hertz
25
2005-11-14
Ministry of Foreign Affairs of Saudi Arabia. Facade wall with horizontal light holes.
Ministry of Foreign Affairs of Saudi Arabia. Stringer model of a facade wall.

Curriculum Vitae Pictures
Kristian Hertz
26
2005-11-14
Meadox Surgimed A/S, Denmark. In situ and pre fabricated concrete structures.
Steel balcony constructions without fire protection.

Curriculum Vitae Pictures
Kristian Hertz
27
2005-11-14
80 minutes 85 minutes
Full scale test of 3 m eccentrically loaded wall of concrete with expanded clay aggregate.
Calculated fire resistance time: 83 minutes. (Example of verification of design method).
Devise for testing a standard concrete
cylinder for explosive spalling with
hindred thermal expansion.

Curriculum Vitae Pictures
Kristian Hertz
28
2005-11-14
Byzantine monastery Docheiariou. (Member of an international group consulted by the Ministry of
Northern Greece about the fire safety of the monasteries at Mount Athos).