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Tunnelling
Milestones<br />
STUTTGART 21 FILDER TUNNEL: TbM dia. 10.8 m, length 2 x 9.3 km<br />
bIEL bY-PASS: 1 st EPb large shield in Switzerland<br />
dia. 12.6 m, length 6.9 km<br />
FINNE TUNNEL: Erfurt – Leipzig/Halle rail link, TbM dia. 10.8 m,<br />
length 2 x 6.8 km<br />
RAIL TUNNEL H3-4: Slurry shield dia.<br />
13.0 m, length 5.7 km<br />
WIENERWALD TUNNEL: 1 st TbM drive for Austrian Railways, dia. 10.7 m,<br />
length 2 x 10.8 km<br />
METRO LINE U2/5 VIENNA: Slurry shield<br />
dia. 6.8 m, length 1.7 km<br />
WIENTAL SEWAGE COLLECTOR:<br />
EPb shield dia. 8.6 m, length 2.6 km<br />
LÖTSCHbERG bASE TUNNEL:<br />
Steg + Raron, TbM dia. 9.4 m,<br />
length 8.7 km and 10.3 km<br />
WALGAU HYDRO POWER SCHEME:<br />
TbM dia. 6.3 m, length 10.5 km<br />
POWER TUNNEL IN IRAN (Jiroft, Minab)<br />
2<br />
2011<br />
2009<br />
2008<br />
2007<br />
2006<br />
2004<br />
2003<br />
2000<br />
1999<br />
1998<br />
1990<br />
1984<br />
1980<br />
1975<br />
1974<br />
1972<br />
1971<br />
STUTTGART 21 ObER-/UNTERTÜRKHEIM: Two tubes, length 5.6 km each<br />
S10 GÖTSCHKA TUNNEL: Largest project implemented by Tunnelbau alone,<br />
two tubes, length 4.4 km each<br />
HANNOVER – WÜRZbURG RAIL LINK:<br />
Kaiserau | Hainbuch | Espenloh | Ganzberg | Landrücken Süd<br />
ARLbERG TUNNEL WEST<br />
TAUERN TUNNEL 1 ST TUbE<br />
EIERbERG TUNNEL: Twin-track rail tunnel,<br />
length 3.7 km<br />
OSTERbERG TUNNEL: Two single-track<br />
tubes, length 2.2 km each<br />
TAUERN TUNNEL, 2 ND TUbE: Two-lane road<br />
tunnel, length 5.8 km<br />
LAINZER TUNNEL, LT 33: Twin-track rail<br />
tunnel, length 2.5 km<br />
LIMbERG II: Pumped-storage scheme,<br />
500 MW capacity<br />
METRO LINE U2/1 VIENNA: Tunnelling beneath Danube Central Canal, protected<br />
by artificial ground freezing<br />
S6 SEMMERING TUNNEL: Road tunnel with<br />
two tubes, length 3.5 km each<br />
S6 SPITAL/SEMMERING: Road tunnel with two tubes, length 2.5 km each<br />
GEISbERG TUNNEL: Twin-track rail tunnel, length 3.8 km<br />
SÄUSENSTEIN TUNNEL: Twin-track rail tunnel, length 4.6 km<br />
REUTERbERG TUNNEL: Road tunnel, length 1.4 km<br />
SCHÖNRAIN TUNNEL: Twin-track rail tunnel, length 3.9 km<br />
METRO CONSTRUCTION VIENNA
Foreword<br />
PORR is among the leading construction contractors in Europe<br />
in all domains of underground construction, from conventional<br />
tunnelling through to high-tech mechanical tunnel<br />
driving.<br />
Tunnelling is one of those construction disciplines which call<br />
for the utmost specialist competence. Every metre of tunnel<br />
advance may confront tunnellers with entirely unforeseen<br />
situations, which need to be handled with skill and expertise,<br />
and always giving the greatest priority to safety.<br />
Experience, competence and innovative involvement in finding<br />
solutions to exceedingly demanding challenges combine<br />
to make PORR a reliable and much sought after partner.<br />
Osterberg Tunnel<br />
Working programme<br />
1 | Company profile 4-5<br />
The development of PORR Tunnelbau<br />
Prospects<br />
2 | Traffic tunnels 6-7<br />
Road tunnels<br />
Rail tunnels<br />
Metro construction<br />
3 | Infrastructural projects 8-9<br />
Urban infrastructure<br />
4 | Other underground work 10-11<br />
Galleries. Shafts. Caverns. Power-plant construction.<br />
5 | Technologies 12-15<br />
Conventional tunnelling techniques<br />
Mechanical tunnelling using tunnel boring machines (TbM)<br />
Mechanical tunnelling using pipe-jacking method<br />
3
Finne Tunnel, Germany<br />
1 | Company profile<br />
The development of PORR Tunnelbau<br />
PORR Tunnelbau originated in a special department of PORR AG. The year 1997<br />
saw the fusion of PORR AG’s and TEERAG-ASDAG AG’s tunnelling departments<br />
to form a highly qualified organisation combining the know-how, the economic and<br />
technical competences and the capacities of two large companies boasting more<br />
than 100 years’ experience. It merged with <strong>Porr</strong> bau GmbH in 2012.<br />
Finne Tunnel, Germany Gfäll Tunnel, Tyrol<br />
4<br />
Wienerwald Tunnel,<br />
Vienna – Lower Austria
Rail tunnel H3-4, Tyrol<br />
Prospects<br />
A10 Tauern Tunnel, 2 nd tube, Salzburg Lötschberg base Tunnel, Switzerland<br />
Tunnelling will further grow in importance as a branch of civil engineering. Space<br />
for providing infrastructural facilities will continue to become scarcer in the large<br />
population centres, and people are getting increasingly sensitive about the consequences<br />
of traffic. In order to come to grips with urban traffic problems and the<br />
growing demand for motorways, expressways and rail networks, transport facilities<br />
are increasingly going underground.<br />
Rail tunnel H3-4, Tyrol<br />
5
Wienerwald Tunnel, Vienna – Lower Austria<br />
2 | Traffic tunnels<br />
Road tunnels<br />
In order to comply with the rapidly increasing demand for motorways and expressways<br />
in Europe, PORR Tunnelbau has so far contributed 57 road tunnels totalling<br />
more than 126 km in length and has played an essential role in the development of<br />
tunnelling methods.<br />
Rail tunnels<br />
The substantial growth in rail traffic implies the need for building new rail tunnels<br />
and developing and refurbishing existing structures on the national and international<br />
S35 expressway, Styria Lainzer Tunnel, Vienna<br />
Metro, Vienna<br />
6
Citytunnel Waidhofen/Ybbs,<br />
Lower Austria<br />
Öbb birgl and Kenlach Tunnels,<br />
Salzburg Metro, Vienna<br />
networks. Rail traffic holds all the possibilities for environmentally friendly solutions to<br />
transport problems for both passengers and goods. PORR has so far completed 51<br />
rail tunnels totalling approx. 176 km in length. based on all the experience gathered<br />
on those projects, PORR guarantees high quality and the observance of deadlines.<br />
Metro construction<br />
From its very beginning in the 1960s, the Vienna metro development programme<br />
has enlisted PORR’s important contribution. In order to meet the particular needs of<br />
metro construction, PORR has applied all the underground methods available such<br />
as cut-and-cover techniques, conventional as well as mechanical tunnelling and<br />
special methods tailored to the specific needs of a project. Tunnelling beneath the<br />
numerous historical buildings calls for the utmost care and innovative solutions. On<br />
the basis of the exprerience gained with metro projects, PORR is able to offer the<br />
client high quality and economical solutions for new metro lines.<br />
Lainzer Tunnel, Vienna<br />
7
Wiental sewage collector, Vienna<br />
3 | Infrastructural projects<br />
Urban infrastructure<br />
The provision of infrastructural facilities in urban areas needs innovative and efficient<br />
technology. As space is becoming scarce for lines and conduits, we have to go<br />
underground. Trenchless techniques using tunnelling methods hold great promise.<br />
Pipe tunnels are generally provided where open-cut construction meets with obstacles<br />
in terms of insufficient space, environmentally sensitive areas or traffic. This<br />
concerns projects for drinking water supply, district heating, sewerage and highvoltage<br />
cable line projects.<br />
Steinsporn II district heating line,<br />
Vienna Gas pipeline, Vienna<br />
Donau district heating line, Vienna<br />
8
Wiental sewage collector, Vienna<br />
District heating line, Vienna Gas pipeline, Vienna<br />
The minimisation of noise, dirt and space requirements is what makes trenchless<br />
conduit construction the method of the future.<br />
Since the 1970s, PORR has made important contributions to the development of<br />
underground conduit construction. Specialists in mechanical tunnelling have combined<br />
underground conduit construction with pipe jacking to create a method of<br />
technical and economic perfection.<br />
Wiental sewage collector, Vienna<br />
9
Uetliberg water supply tunnel, Switzerland<br />
4 | Other underground<br />
work<br />
Galleries. Shafts. Caverns. Power-plant construction.<br />
Apart from the above infrastructural measures, PORR has realised projects in all the<br />
other fields of underground work for many decades.<br />
On hydropower projects, for example, PORR has improved and greatly mechanised<br />
the conventional tunnelling techniques – using various cross sections – which derive<br />
from the traditional mining methods.<br />
Limberg II pumped storage power Uetliberg water supply tunnel,<br />
plant, Salzburg Switzerland<br />
CERN LHC Project, Switzerland<br />
10
Limberg II pumped storage power<br />
plant, Salzburg<br />
Limberg II pumped storage power<br />
plant, Salzburg<br />
Limberg II pumped storage power<br />
plant, Salzburg<br />
All hazards, such as water inrush, severly squeezing ground or gas occurrences,<br />
must be handled with the utmost priority being given to the safety of the structure,<br />
the equipment and above all to that of the people at the working face.<br />
Our experienced specialists are our responsible representatives on site in the construction<br />
and implementation of tunnels, shafts, caverns or in hydro power scheme<br />
construction.<br />
Limberg II pumped storage power plant, Salzburg<br />
11
Wienerwald Tunnel, Vienna – Lower Austria<br />
5 | Technologies<br />
The extraordinary variety of rock conditions is a constant stimulus to our engineers’<br />
and technicians’ efforts to develop innovative methods enabling us to offer the optimal<br />
technical and economic solution for each particular underground project.<br />
Lainzer Tunnel, LT 33, Vienna<br />
12<br />
Wienerwald Tunnel,<br />
Vienna – Lower Austria<br />
Citytunnel Waidhofen/Ybbs,<br />
Lower Austria
A10 Tauern Tunnel, 2 nd tube, Salzburg A10 Tauern Tunnel, 2 nd tube, Salzburg A10 Tauern Tunnel, 2 nd tube, Salzburg<br />
Conventional tunnelling techniques<br />
• Full-face tunnelling<br />
• Mechanical excavation using tunnel excavators or road headers<br />
• Special driving methods with support provided ahead of the advancing face using<br />
pipe roofing, grouting, groundwater lowering or ground freezing<br />
Wienerwald Tunnel, Vienna – Lower Austria<br />
13
Lötschberg base Tunnel, Switzerland<br />
Mechanical tunnelling using tunnel boring machines<br />
(TBM)<br />
• Full-face tunnelling machines with diameters ranging from 3.2 to more than 13 m<br />
• Tunnel driving by use of hard-rock tunnelling machines (gripper machines) followed<br />
by cast-in-place secondary lining<br />
• Tunnel driving using shield TbMs with simultaneous installation of a single-layer<br />
segmental lining or a two-layer lining with segments and cast-in-place lining<br />
• Slurry shield tunnelling: Tunnel driving with slurry-supported face, segmental lining<br />
• Earth pressure balanced (EPb) shield tunnelling: Tunnel driving with face support,<br />
segmental lining<br />
• Tunnel driving using multi-mode shields: With various different operation modes<br />
with or without face support, segmental lining<br />
Wienerwald Tunnel,<br />
Vienna – Lower Austria Lötschberg base Tunnel, Switzerland<br />
14
Steinsporn II district heating line,<br />
Vienna Rail tunnel H3-4, H3-4 Tyrol<br />
Gas pipeline, Vienna<br />
Mechanical tunnelling using the pipe jacking<br />
method<br />
• Excavation by full-face cutter head or road header<br />
Jacking pipes for ground support and shield thrust are normally made of reinforced<br />
concrete. Applied primarily in trenchless conduit construction for pipe diameters of<br />
between 1.5 m and more than 3 m.<br />
Rail tunnel H3-4, Tyrol<br />
15
<strong>Porr</strong> Bau GmbH<br />
Tunnelbau<br />
Absberggasse 47, A-1100 Vienna<br />
Phone: +43 (0) 50 626-0<br />
Fax: +43 (0) 50 626-1111<br />
520e/08.12/1M<br />
www.porr-group.com | tunnelbau@porr.at<br />
Ref.<br />
© 2012 Allgemeine Baugesellschaft – A. <strong>Porr</strong> Aktiengesellschaft ABAP