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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2~3pjs up each yr

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?