Large facilities for Large facilities for earthquake risk mitigation: earthquake risk mitigation:
the large shaking table array the large shaking table array at Tongji Universityat Tongji University
Wensheng LU, Zhong FANG & Xilin LU
Tongji UniversityJuly 14, 2009
CONTENT
¢¢ WhatWhat’’s TJU?s TJU?¢¢ The Large Shaking Table Array at TJUThe Large Shaking Table Array at TJU¢¢ Issues of Design and Construction of Issues of Design and Construction of
Shaking Table ArrayShaking Table Array¢¢ ConclusionsConclusions
Key Laboratory of Road and Traffic Engineering of the State Ministry of EducationKey Laboratory of Yangtze Water Environment of the State Ministry of EducationShanghai Key Laboratory of Metal Function Materials Research and ApplicationKey Laboratory of Modem Engineering Geodesy of The State Bureau of Surveying and MappingOpen Laboratory of Physiological and Psychology in Railway Health CareOpen Laboratory of Clinical Medical Molecular Biology in Railway Health CareOpen Laboratory of Nutrition and Food Hygiene in Railway Health CareOpen Laboratory of Children’s Stomatology in Railway Health CareOpen Laboratory of Venereology in Railway Health Care
Key Laboratory of Provincial Level and Ministerial Level
State Key Laboratory of Disaster Reduction in Civil Engineering
State Key Laboratory of Pollution Control and Resource ReuseState Key Laboratory of Modern Technology of Urban Planning and DesignState Key Laboratory of Marine Geology
State Key Laboratories
http://www.tongji.edu.cn/english/Research/index.asp
Founded in 1907Over 50,000 students22 key laboratories and engineering research centers
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Research Projects on Shaking Table of TJU
PROJECTS
CIVIL FACILITY
NUCLEAR EQUIPMENTIT DEVICEMULTI/LOWER BUILDINGHIGH-RISE BUILDING
BASE ISO,DAMPERNON-STRUCTURESBRIDGE STRUCTURESOIL-STRUCTURE
FUNDSGOVERNMENTCOMPANYUNIVERSITY
Straight Line Straight Line
Curved LineCurved Line
Combined TableCombined Table
Individual TablesIndividual Tables
RectangularRectangular
A Multi Purpose Shake Tables SystemThe large shaking table array at Tongji UniversityThe large shaking table array at Tongji University
Targets of developmentTargets of developmentInnovation base for talents of disaster mitigation
Headquarter for fundamental researches and leading technologies on urban development and disaster
mitigation
National Research Platform on Urban Safety and Disaster Reduction
National Research Platform on
Urban Safety and Disaster Reduction
Civil
Urban PlaningGeo.
Envir.
Roads
EnergySurvey
Bridge
Focus on the strategic issues of urban development
National long-term programme
Urban planning and disaster mitigation Public safety forecast, warning and prevention
Shanghai CityEXPO Shanghai 2010
Harbor and bridgesEcological environment
System of organization, management and operation
Civil construction and facilities
Innovation platform for new technology
Research team work
International cooperation and interchange
National Research Platform on Urban Safety and Disaster Reduction
Two Trenches: 70m + 30m Trench Section:9.0m X 4.5m Four Tables: 4m X 6m eachA:30ton B:70ton C:70Ton D:30ton3 DOF: Long Lat YawFrequency of Operation 0.1~50Hz
Foundation mass ratio >50(about 28800ton)Piles, sand base on soft soil foundation Survey and analyze for soil natural frequency96 mounting plates + 136 bearing platesAccuracy of RC surface < 2mmTolerance of mounting bolts < 1mm
Building Area > 12000m2
Budget for LSTA ~ 8MBudget for Construction ~ 22MBudget for Total Platform ~ 80M
ScheduleSurvey and design ~ 12months Civil construction ~ 18monthsManufacture ~ 10monthsShipping and the customs ~2monthsInstallation, training, acceptance ~ 6monthsWarranty~12months
Conclusions
¢A Project for the future, one of unmatched in term of capability.
¢The success of this project will depend on system design, installation, and overall civil and construction work.
¢ It’ll be helpful in the area of education, research and Collaboration in urban safety
Thank you for your attention!
Questions or Comments?