Hybrid Structural Testing Center - NEES
Hybrid Structural Testing Center - NEES
Hybrid Structural Testing Center - NEES
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Intoduction of KOCED Program and<br />
<strong>Hybrid</strong> <strong>Structural</strong> <strong>Testing</strong> <strong>Center</strong> in Korea<br />
Chul-Young Kim<br />
Professor of Myongji University<br />
Deputy Director of KOCED Program Management <strong>Center</strong><br />
Deputy Director of <strong>Hybrid</strong> <strong>Structural</strong> <strong>Testing</strong> <strong>Center</strong><br />
Young-Suk Park<br />
Professor of Myongji University<br />
Director of <strong>Hybrid</strong> <strong>Structural</strong> <strong>Testing</strong> <strong>Center</strong><br />
Jae Kwan Kim<br />
Professor of Seoul National University<br />
Director of KOCED Program Management <strong>Center</strong>
KOCED Program<br />
• Build 6 brand-new large scale testing facilities at major<br />
universities distributed around the Korea<br />
• Link using high performance information network<br />
( KREONET )<br />
• Develop cyberinfrastructure<br />
• Shared use for research and education
KOCED Vision<br />
Share &<br />
Collaborate<br />
Researcher<br />
Cyberinfrastructure<br />
KOCED<br />
Consortium<br />
<strong>Testing</strong> Facilities<br />
University<br />
KREONET<br />
Industry<br />
International<br />
link<br />
Data<br />
repository<br />
Computing<br />
Clusters<br />
Government/Public
Time Table of KOCED Program<br />
2004~2009<br />
2009~2024 2024~<br />
• Construction of<br />
Test facilities<br />
• Development of<br />
KOCED CI<br />
Collaboratory<br />
operation<br />
by consortium<br />
Turnover<br />
to the hosts<br />
KOCED KOCED Consortium<br />
PMC<br />
KOCED Consortium Host KOCED Universities<br />
Consortium<br />
5 years 15 years
6 KOCED <strong>Testing</strong> <strong>Center</strong>s<br />
Myongji University<br />
<strong>Hybrid</strong> <strong>Structural</strong> <strong>Testing</strong> <strong>Center</strong><br />
KAIST<br />
Geotechnical Centrifuge <strong>Testing</strong> <strong>Center</strong><br />
Keimyung University<br />
Chonbuk National University<br />
Wind Tunnel <strong>Center</strong><br />
Advanced Construction<br />
Materials <strong>Testing</strong> Facility<br />
Chonnam National University<br />
Wave Simulation & Research Laboratory<br />
Pusan National University<br />
Multi-platform Seismic<br />
Simulation <strong>Center</strong>
<strong>Hybrid</strong> <strong>Structural</strong> <strong>Testing</strong> <strong>Center</strong><br />
Item<br />
Description<br />
Purpose<br />
Real-time or near real-time pseudodynamic<br />
or hybrid structural testing<br />
of multi-degrees of freedom<br />
structural systems and components<br />
- Indoor<br />
Strong floor<br />
: 48.9 m (L) ⅹ 12.8 m (W)<br />
- Extended outdoor<br />
: 6.0 m (L) ⅹ 6.0 m (W) ⅹ3 ea<br />
Reaction wall<br />
Solid Type<br />
- 8.0 m (L) ⅹ 12.0 m (H)<br />
- 24.0 m (L) ⅹ [12.0+9.0+6.0] m (H)<br />
Actuator<br />
- Dynamic: 25, 100, 200 ton<br />
- Static: 500 ton
Geotechnical Centrifuge <strong>Testing</strong> <strong>Center</strong><br />
Item<br />
Description<br />
Scaled model tests that can simulate<br />
Purpose<br />
realistic stress field with high level of<br />
centrifuge force<br />
- Platform radius: 5 m<br />
Centrifuge<br />
- Maximum capacity: 240 g·ton<br />
- Maximum acceleration: 130 g<br />
- Maximum weight of model: 240 ton<br />
Other equipments<br />
- Advanced 4DOF in-flight robot<br />
- Biaxial shake table system
Multi-platform Seismic Simulation <strong>Center</strong><br />
Item<br />
Description<br />
Seismic tests of various models of<br />
Purpose<br />
buildings, bridges, and other structures<br />
and equipments<br />
One 6-DOF<br />
fixed table<br />
-Size: 4 m ⅹ4 m<br />
- Nominal payload: 30 ton<br />
- Maximum acceleration: 1.5 g<br />
-Size: 5 m ⅹ5 m<br />
Two 3-DOF<br />
movable tables<br />
- Nominal payload: 60, 30 ton<br />
- Maximum acceleration: 1.25, 1.0 g<br />
- Maximum span : 40 m
Advanced Construction Materials <strong>Testing</strong> <strong>Center</strong><br />
Item<br />
Description<br />
Purpose<br />
Time-sharing access to the state-of-theart<br />
equipments necessary for<br />
development and performance test of new<br />
construction materials and components<br />
- Concrete and rock test lab<br />
- Metal and composite materials test lab<br />
Laboratories<br />
- Long term behavior test lab<br />
- Microstructure test lab<br />
- Smart sensor and NDT test lab<br />
- <strong>Structural</strong> component test lab<br />
- 5MN large material testing machine<br />
Major<br />
Equipments<br />
- 5MN compression testing machine<br />
- Universal testing machine<br />
-XRF/XRD
Wind Tunnel <strong>Center</strong><br />
Item<br />
Description<br />
Investigate wind induced problems at<br />
natural atmospheric boundary layer flow<br />
Purpose<br />
such as wind effects on long span bridges,<br />
high rise buildings, urban areas, and<br />
various industrial applications<br />
Low speed<br />
section<br />
- 40 m (L) ⅹ12 m (W) ⅹ2.5 m (H)<br />
- Wind speed: 0.3 ~ 12 m/s<br />
High speed<br />
section<br />
- 20 m (L) ⅹ5 m (W) ⅹ2.5 m (H)<br />
- Wind speed: 0.5 ~ 24 m/s
Wave Simulation & Research Laboratory<br />
Item<br />
Description<br />
Provide the ocean engineering research<br />
Purpose<br />
community with access to wave basins,<br />
flumes, and other measurement tools and<br />
sensors<br />
3D wave basin<br />
- 50 m (L) ⅹ50 m (W) ⅹ1.5 m (H)<br />
- Maximum wave height: 0.6 m<br />
3D tidal basin<br />
- 40 m (L) ⅹ30 m (W) ⅹ1 m (H)<br />
2D wave flume<br />
- 100 m (L) ⅹ2 m (W) ⅹ3 m (H)<br />
- Maximum wave height: 1 m
KOCED CI Framework<br />
Experiment service<br />
Researcher<br />
University<br />
CI services<br />
Industry<br />
Government/Public<br />
KOCED Portal:<br />
Gateway to KOCED<br />
services
Experiment System for R&D<br />
• Provide experiment service<br />
according to the users’ demand<br />
• Inquiry of schedule of testing<br />
centers and equipments<br />
• Making an estimate of a testing<br />
• Making a reservation for centers<br />
• Sharing testing data<br />
• Performing remote experiment<br />
and monitoring
KOCED CI Services<br />
Data, Information and<br />
Knowledge Management service<br />
Collaboration Service<br />
Virtual Laboratory<br />
Education Grid<br />
Computing Cluster<br />
Online Expert Consulting
0.25<br />
0.2<br />
0.15<br />
0.1<br />
0.05<br />
0<br />
-0.05<br />
-0.1<br />
-0.15<br />
SRC-S-SP00-S 0.22g<br />
Input Earthquake<br />
Result Data<br />
-0.2<br />
0 1 2 3 4 5 6 7<br />
Time(sec)<br />
Data, Information and Knowledge Management Services<br />
Researcher<br />
Deposit<br />
experimental<br />
data<br />
Central Data<br />
Repository<br />
Data<br />
Query<br />
Research<br />
Institute<br />
Raw 데이터 Reduced 데이터 Curated 데이터<br />
DAQ 장비에서 계측된 데이터<br />
- Text 파일 형태 -Excel 파일형태<br />
Raw 데이터를 물리량으로 변환한<br />
데이터(예:voltage→ strain)<br />
Accelation<br />
Raw 데이터를 비교/분석하여<br />
의미있는 결과로 변환한 데이터<br />
University<br />
사진 동영상 결과 보고서<br />
Industry<br />
• Standardization of processes and procedures of the experiments<br />
• KOCED Experiment Data Models for 6 testing centers<br />
Government<br />
/public<br />
• All of the raw, structured, and processed data in the central data repository<br />
• KOCED Shared Data Model to accelerate the transition from data to information and knowledge<br />
• Relevant data policy
Collaboration Services<br />
Tele-presence<br />
TP Client 1<br />
Application<br />
<strong>Testing</strong> facility<br />
Video<br />
TP Server<br />
TP Client 2<br />
. . . . .<br />
.<br />
Teleconference<br />
Collaborative design<br />
Audio<br />
TP Client n<br />
Web-casting<br />
Scan Converter<br />
• Tele-presence<br />
• Maximum 30 parties with maximum 12 divided screens<br />
• Share of PPT files, electric board, chatting windows<br />
• Web-Casting<br />
Encoding<br />
Server<br />
Streaming<br />
Server<br />
Storage<br />
Open testing<br />
VOD Service<br />
• Unidirectional and no limit in the number of recipients<br />
Online lecture<br />
• No requirement of special equipments other than a web camera<br />
Remote testing
Virtual Laboratory<br />
Input of structure &<br />
load information<br />
Visualization of analysis<br />
result & comparison with the<br />
experimental data<br />
14<br />
12<br />
2 phase model<br />
single phase model<br />
dry ground<br />
10<br />
Ground accleration (g)<br />
0.4<br />
0.2<br />
0<br />
-0.2<br />
-0.4<br />
0 10 20 30 40 50 60<br />
Time (sec)<br />
Transfer function<br />
8<br />
6<br />
4<br />
2<br />
0<br />
0 5 10 15 20 25<br />
Frequency (Hz)<br />
0.01<br />
2 phase model<br />
single phase model<br />
dry ground<br />
0.005<br />
Displacement (m)<br />
0<br />
-0.005<br />
-0.01<br />
0 2 4 6 8 10<br />
Time (sec)<br />
SI from experimental<br />
data<br />
• Shake table testing structure model & 3D truss model<br />
• Elimination & addition of members<br />
• Modification of member properties<br />
• Multi-support excitation<br />
• Visualization of the result<br />
• Vibration mode, stress, strain, deformation<br />
• Time histories & Fourier transforms of responses<br />
• Real measured data can be fed into the virtual model
Education Grid<br />
Control Signal<br />
Education Grid<br />
Reservation<br />
Registration<br />
1 Mini shake table I<br />
2 Mini shake table II<br />
3 Mini wind tunnel<br />
4 Mini centrifuge<br />
5 Mini water basin<br />
6 Mini UTM<br />
7 Mini MOST<br />
8 Mini truss bridge<br />
DATA Acquisition<br />
DAQ and Control PC<br />
DATA<br />
Acquisition<br />
• Independent from the main CI<br />
POP Server<br />
• Real time online remote experiment<br />
Control<br />
Signal<br />
Education Grid Portal<br />
Access to a mini equipment<br />
through Portal at confirmed time<br />
Education Grid<br />
Confirmation<br />
User<br />
Control a mini equipment<br />
and acquire data through RDV<br />
• Will be combined with the virtual laboratory capability
Computing Cluster<br />
실험시설1 Facility 1<br />
Piers 6, 7, 8 Models<br />
Bent 5<br />
Pier 6 Pier 7 Pier 8 Pier 9<br />
Abutment 10<br />
실험시설3 Facility 3<br />
Pier 9 Model<br />
계산자원(HPC)<br />
Foundations 6, 7, 9, Deck<br />
and and Abutments `Finite<br />
Element Modeling<br />
실험시설2 Facility 2<br />
Foundation 8<br />
Model<br />
<strong>Hybrid</strong><br />
structural<br />
testing<br />
<strong>Structural</strong> analysis<br />
and data visualization<br />
• To serve online hybrid testing, visualization, and education grid<br />
• 40 processors with one master node<br />
• Extended by linking with a computing cluster built and operated by KISTI
Online Expert Consulting<br />
Researcher University People<br />
• To support industry<br />
Expert list<br />
Expert profile<br />
Expert Q&A<br />
• Link individuals or companies<br />
seeking assistance with the experts<br />
around the world<br />
• Communicate or collaborate<br />
Expert consulting<br />
SMS<br />
Online telepresence<br />
consulting<br />
online using the KOCED<br />
telepresence system<br />
• Provide dispersed collaboratory<br />
design service
<strong>Hybrid</strong> <strong>Structural</strong> <strong>Testing</strong> <strong>Center</strong><br />
(HYSTEC)<br />
12.0m 9.0m<br />
6.0m<br />
12.8m<br />
48.9m<br />
6.0m<br />
6.0m<br />
36.0m
Actuators<br />
• Long stroke / High speed (to simulate real-time<br />
earthquake motion)<br />
• Multi-purpose / MDOFs<br />
• Various actuating load capacities, speeds and<br />
strokes ( Dynamic actuators )<br />
Load Capacity<br />
[kN]<br />
Number<br />
Static Dynamic<br />
Stroke<br />
[mm]<br />
Velocity Servo Valve<br />
[mm/sec] [gpm]<br />
±250kN - 2 750 896 15/180<br />
±500kN - 2 500 - 90<br />
±1,000kN - 2 750 323 15/250<br />
±2,000kN - 2 1,000 161 15/250<br />
-5,000kN( comp.)<br />
+3,000kN (tens.)<br />
2 - 2,000 44 180<br />
( 5MN Static actuator )
Hydraulic Power Supply<br />
HPS<br />
Hardline<br />
HDM<br />
180gpm@4EA=720gpm<br />
P R D<br />
1,000 gpm<br />
350 gpm
Digital Control System<br />
• FlexTest GT (4ch, 4stations) 2 sets<br />
• FlexTest GT (2ch, 4stations) 1 set<br />
• FlexTEst SE (1ch, 4stations) for Dynamic UTM<br />
• Multi-Actuator control system<br />
• Optimal <strong>Hybrid</strong> <strong>Testing</strong> Software<br />
• 4 station multi-testing<br />
• Real-time pseudo-dynamic / <strong>Hybrid</strong> testing<br />
Controller<br />
4ch, 4 station<br />
HSM<br />
180<br />
gpm<br />
HDM<br />
HSM<br />
250<br />
gpm<br />
HDM<br />
HSM<br />
180<br />
gpm<br />
Act. 250 kN<br />
Act. 1000 kN<br />
Act. 2000 kN<br />
Act. 5,000kN
Universal Test Machines<br />
• 5MN Dynamic UTM<br />
- static and fatigue tests of structural members<br />
- material test<br />
Max. Capacity<br />
Force<br />
Stroke<br />
Type<br />
Dyn. Load rating<br />
Frequency mm<br />
Comp./Tensile<br />
Vertical ±5,000kN 5Hz at ±10mm 500<br />
• 5MN Static UTM<br />
- concrete material test<br />
Max. Capacity<br />
<strong>Testing</strong> size<br />
Base size<br />
Velocity<br />
Force = ±5,000kN / Stroke = 500mm<br />
1,000(L)×1,000(W)×2,500(H)mm<br />
1,850(L)×1,450(W)×800(W)mm<br />
0.01 ~ 250mm/min.
DAQ Systems<br />
Dynamic DAQ System<br />
• 320 channels (10~1,000kHz/ch)<br />
Multi-channel<br />
port HUB<br />
CRONOS<br />
PL16<br />
Ethernet<br />
Workstation/Notebook<br />
#1 #2 #3 #4 #5<br />
<strong>Hybrid</strong> DAQ System<br />
• The shared memory interface to communicate with<br />
other hybrid testing equipments for fast data transfer<br />
(Up to 10~100kS/s)<br />
• 72 channels (Strain, LVDT, Accelerometer, Voltage,<br />
Thermocouple)<br />
• ScramNet Remote Data Acquisition (800kS/s for 6000,<br />
7MS/s for HS system)<br />
I/O modules<br />
Static DAQ System<br />
(High-speed static data logger)<br />
• 190 channels for static signals<br />
USB2.0<br />
controller<br />
USB<br />
Ethernet<br />
(Strain, LVDT, Load Cell, Voltage, Temperature)<br />
• 1000ch/sec scanning rate<br />
SCRAMNET<br />
Controller<br />
Optic Fiber<br />
Control<br />
System
<strong>Hybrid</strong> Test System<br />
Simulation<br />
Type<br />
Control<br />
Software<br />
Analysis<br />
Software<br />
Mid-ware<br />
(Software)<br />
Mid-ware<br />
(Hardware)<br />
Status<br />
Real Time STS/469d Simulink<br />
xPC Target,<br />
Real Time<br />
Workshop<br />
Scramnet,<br />
Target PC<br />
Done<br />
793<br />
OpenSees<br />
OpenFresco,<br />
CSI<br />
None<br />
Done<br />
Quasi Static<br />
793<br />
Matlab<br />
793 Simulink<br />
OpenFresco,<br />
CSI<br />
OpenFresco,<br />
CSI<br />
None<br />
None<br />
Done<br />
Done<br />
793 Abaqus<br />
OpenFresco,<br />
CSI<br />
None<br />
In Progress<br />
August 2009<br />
Soft<br />
Real Time<br />
STS/469d<br />
OpenSees<br />
OpenFresco,<br />
Simulink<br />
Scramnet,<br />
Target PC<br />
In Progress
Case 1: 60m Monolithic PSC Girder<br />
Fabrication on site/<br />
Long-term Monitoring<br />
Lifting-up Simulation<br />
Resonance Test/<br />
Static/Ultimate Performance<br />
Test<br />
Crack propagation<br />
(350tf)
Case 2: 60m Segmental PSC Girder<br />
Segmental Fabrication<br />
Post-tensioning<br />
Wire Disp.(Wire Sensor) vs Force<br />
3500<br />
3000<br />
9 8 2 7 45 6<br />
2500<br />
Force (kN)<br />
2000<br />
1500<br />
1000<br />
500<br />
Wire Disp. #2<br />
Wire Disp. #4<br />
Wire Disp. #5<br />
Wire Disp. #6<br />
Wire Disp. #7<br />
Wire Disp. #8<br />
Wire Disp. #9<br />
Resonance Test/<br />
Static/ Ultimate Performance Test<br />
0<br />
0 50 100 150 200 250 300 350 400 450 500<br />
Vertical Disp. (mm)
Case 3: 30m Railway Bridge<br />
Fabrication of Girders on site<br />
Static/ Resonance Test<br />
Train Load Simulation Test<br />
Moving Girders
Case 4: Substructure of 20 stories APT Building<br />
• ½ Scale sub-structure model (two stories)<br />
• Specimen: PC member + post-tensioning<br />
• Quasi-static & <strong>Hybrid</strong> Test<br />
Loading<br />
2.5m<br />
Beam :<br />
400*250mm<br />
Column :<br />
400*400mm<br />
Loading<br />
4m<br />
Wall : 2m<br />
(t=150mm)<br />
2.5m<br />
HC Slab 120mm<br />
(topping: 50mm)<br />
3m<br />
3m
Concluding Remarks<br />
• KOCED Collaboratory is ready for service from July 2009.<br />
• Promote research collaborations and sharing of<br />
experimental facilities & data<br />
• Increase efficiency of R&D<br />
• Accelerate the integration of research and education<br />
• Development and application of hybrid structural test<br />
system is under way.