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Structural Engineering and Earthquake Simulation Laboratory The New UB-NEES Versatile Earthquake Engineering Hybrid-Testing Facility A Node of the George.

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Presentation on theme: "Structural Engineering and Earthquake Simulation Laboratory The New UB-NEES Versatile Earthquake Engineering Hybrid-Testing Facility A Node of the George."— Presentation transcript:

1 Structural Engineering and Earthquake Simulation Laboratory The New UB-NEES Versatile Earthquake Engineering Hybrid-Testing Facility A Node of the George E. Brown Jr. Network for Earthquake Engineering Simulation (NEES) Michel Bruneau, Ph.D., P.Eng Professor, Department of Civil, Structural, and Environmental Engineering Director, Multidisciplinary Center for Earthquake Engineering Research

2 Structural Engineering and Earthquake Simulation Laboratory Credits* (UB NEES = Team Approach) PI: Michel Bruneau Co-PI: Andrei Reinhorn Co-PI: Michael Constantinou Co-PI: S. Thevanayagam Co-PI: Andrew Whittaker * All from Department of Civil Structural and Environmental Engineering (CSEE) at University at Buffalo (UB)

3 Structural Engineering and Earthquake Simulation Laboratory Credits (part 2) Others listed in proposal or added to team* Amjad Aref Stuart Chen Gary Dargush Michael Gaus George Lee John Mander Apostolos Papageorgiou Rowland Richards Larry Soong Andre Filiatrault 1 Position Advertised Mark Pitman Richard Cizdziel Duane Kozlowski Scot Weinreber Shih-Yu Chu Siva Sivaselvan Xiaoyun Shao Zach Liang Kurt Winter Goran Josopovic Jason Hanley * All from Department of Civil Structural and Environmental Engineering (CSEE) at University at Buffalo (UB)

4 Structural Engineering and Earthquake Simulation Laboratory UB NEES Node Proposals Large-Scale High Performance Testing Facility towards Real-Time Hybrid Seismic Testing - $4,379,865 Versatile High Performance Shake Tables Facility towards Real-Time Hybrid Seismic Testing - $6,160,785 IT-Supplemental Grant: (Approx. $500,000) Sub-total: Approx $11,000,000 (NSF) University at Buffalo: $9,000,000 Total: $20,000,000.00

5 Structural Engineering and Earthquake Simulation Laboratory The Major Components Expansion to SEESL laboratory Versatile High Performance Shake Tables Facility towards Real-Time Hybrid Seismic Testing Two new shake table “on tracks” Large-Scale High Performance Testing Facility towards Real-Time Hybrid Seismic Testing New dynamic actuators New high capacity static actuators Combining the two UB NEES Sites = New testing capabilities, one of the most versatile earthquake engineering facilities

6 Structural Engineering and Earthquake Simulation Laboratory Ketter Building Expansion

7 Structural Engineering and Earthquake Simulation Laboratory

8 CONSTRUCTION DATA square feet gross of new construction 600 square feet for control and server rooms 800 square feet of elevated observation space Dedicated secure space to networking and NEES POP 1800 square feet of renovated space 3200 square feet of strong floor 40 T gantry crane to service the floor and the wall 1800 square feet of reaction wall Concrete foundation/trench for shake tables Project cost of $9 million (University at Buffalo)

9 Structural Engineering and Earthquake Simulation Laboratory Ketter Hall Addition

10 Structural Engineering and Earthquake Simulation Laboratory Ketter Hall Expansion Layout – Elevation

11 Structural Engineering and Earthquake Simulation Laboratory Ketter Hall Expansion Layout – Plan

12 Structural Engineering and Earthquake Simulation Laboratory

13 Ketter Hall Expansion

14 Structural Engineering and Earthquake Simulation Laboratory

15 Shake Tables

16 Structural Engineering and Earthquake Simulation Laboratory Parking Frame- hoses and cables

17 Structural Engineering and Earthquake Simulation Laboratory Shake Tables

18 Structural Engineering and Earthquake Simulation Laboratory Lift Beam

19 Structural Engineering and Earthquake Simulation Laboratory New Shake Tables Increased Payload capacity Tables can be used close together

20 Structural Engineering and Earthquake Simulation Laboratory New Shake Tables Increased payload capacity Tables can be used up to 100 ft apart c/c

21 Structural Engineering and Earthquake Simulation Laboratory Additional New Equipment: Actuators 3 x 100 tons (225,000 lbs) dynamic actuators with dual 400 gpm servovalves, +/- 500 mm (20 in) stroke (can also be used with low-flow servo-valves for pseudo- dynamic testing) 2 x 200 tons (500,000) actuators, 15 gpm servovalves, +/- 500 mm (20 in) stroke = Total 1,775,000 lbs force capacity

22 Structural Engineering and Earthquake Simulation Laboratory 50 ft of 1600 gpm distribution line Surge tank and 14 banks of 50 gallons accumulators (700 gal. capacity) Four hydraulic pumps of 185 gpm = capacity 1600 gpm continuous for 30 sec. of seismic motion Additional New Equipment: Hydraulic Power Supply

23 Structural Engineering and Earthquake Simulation Laboratory Hydraulic Power Supply

24 Structural Engineering and Earthquake Simulation Laboratory Hydraulic Power Supply

25 Structural Engineering and Earthquake Simulation Laboratory 150 Gal Accumulator Stand

26 Structural Engineering and Earthquake Simulation Laboratory High Flow Hydraulic Service Manifold BackFront

27 Structural Engineering and Earthquake Simulation Laboratory Hydraulic Power Supply

28 Structural Engineering and Earthquake Simulation Laboratory 5.0 x 2.75 x 3.1 m Laminar Box Module A * 12 Laminates * Heavy Duty Balls * Dual Shake Table 43 cu.m soil Interlaminate 45mm (93mm) 2x40 g-ton Payload

29 Structural Engineering and Earthquake Simulation Laboratory Laminar Box Module B 2.5 x 2.75 x 6.2 m

30 Structural Engineering and Earthquake Simulation Laboratory Geotechnical Box Conceptual Design 2mx5mx3m Size, 2-D Aluminum Rings – Modular Supported on Bearings & Braces Teflon, Ball-Cluster, Rubber Bearings Flexible – Geotechnical Tests Braces for Rigid – Shake Table Acceptance Testing Max weight 75 tons – Dual Shake Table Max weight 50 tons – Single Shake Table

31 Structural Engineering and Earthquake Simulation Laboratory Geotechnical Box Structural Design

32 Structural Engineering and Earthquake Simulation Laboratory Advanced Computer Controlled Testing Techniques Effective Force Technique Hybrid Testing & Computing Real-Time Pseudo- Dynamic Hybrid Testing System Real-Time “Dynamic” Hybrid Testing System Applies the inertial ground motion generated forces through synchronized actuators - NEW

33 Structural Engineering and Earthquake Simulation Laboratory Effective Force Technique Hybrid Testing & Computing Real-Time Pseudo- Dynamic Hybrid Testing System Real-Time “Dynamic” Hybrid Testing System Advanced Computer Controlled Testing Techniques Applies forces in substructure through actuators only – real time operation is a benefit but not a must

34 Structural Engineering and Earthquake Simulation Laboratory Effective Force Technique Hybrid Testing & Computing Real-Time Pseudo- Dynamic Hybrid Testing System Real-Time “Dynamic” Hybrid Testing System Advanced Computer Controlled Testing Techniques Applies forces in substructure through shake table and actuators – real time operation is a must

35 Structural Engineering and Earthquake Simulation Laboratory Example

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37 Example Example

38 Structural Engineering and Earthquake Simulation Laboratory Digital Controllers Upgrade and expansion of data acquisition system (364 channels, with expansion capability) Tele-operation and tele-observation Video HDTV imaging equipment Data management and processing systems Additional New Equipment: Digital Systems

39 Structural Engineering and Earthquake Simulation Laboratory NEES Collaboratory Teleparticipation Laboratories

40 Structural Engineering and Earthquake Simulation Laboratory Tele-Observation Simplest form: participation = observation Example: Sponsor observing an expensive experiment (for which undesirable results are obtained in this particular case)

41 Structural Engineering and Earthquake Simulation Laboratory Tele-participation Teleparticipation components Experiment tele-control Experiment tele-adjustment (input, etc) Tele-guidance of instruments and equipment Tele-selection of data channels and information Tele-processing of data and knowledge accumulation Tele-recording and transfer of data and models Tele-planning of experiments The above are hierarchical activities depending of node scope and operations

42 Structural Engineering and Earthquake Simulation Laboratory Node with Teleparticipation

43 Structural Engineering and Earthquake Simulation Laboratory ScramNet

44 Structural Engineering and Earthquake Simulation Laboratory

45 External Advisory Board Prof. Masayoshi Nakashima, University of Kyoto, Japan Dr. Michael A. Riley, National Institute of Standards & Tech. Prof. P. Benson Shing, University of Colorado Prof. Gregory L. Fenves, University of California at Berkeley Mr. Douglas P. Taylor, President, Taylor Devices, Inc. Prof. David P. Stoten, University of Bristol, UK Prof. R. Dobry – RPI Geotechnical Centrifuge Prof. R. Siddharthan – Univ of Nevada Reno Prof. A. Elgamal – University of California at San Diego

46 Structural Engineering and Earthquake Simulation Laboratory

47 Structural Engineering and Earthquake Simulation Laboratory Equipment Specifications available on-line

48 Structural Engineering and Earthquake Simulation Laboratory

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51 Conclusion State-of-the-Art Earthquake Engineering Lab (NEES-UB node) as part of the NEES Collaboratory (+ International Partners). Most versatile facility, not largest. Infrastructure for the next generation of earthquake engineering collaborative research Integrate Experimental and Computational simulation. Generate the new knowledge that could not be generated before Solve problems that could not be solved before.

52 Structural Engineering and Earthquake Simulation Laboratory Thank you! Questions?


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