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Isolation Design of Large Bay Multi-ribbed Wall Structure with Base Isolation

Author: CaiTao
Tutor: FengZhongQi；YaoQianFeng
School: Xi'an University of Architecture and Technology
Course: Disaster Prevention and Reduction Engineering and Protective Engineering
Keywords: base isolation large bay multi-ribbed composite wall time-history analysis isolation effect
CLC: TU352.12
Type: Master's thesis
Year: 2009
Downloads: 46
Quote: 0
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Abstract


Multi-ribbed composite wall structure is a new structural system.It uses new materials and owns higher degree of industrialization.But how to make high-intensity zone’structure of large bays being in line with the seismic requirements is a very important issue.In this paper large bay multi-ribbed composite wall structure is combined with isolation technology,so the problem the of large bays of the seismic structure is effectively solved.This paper mainly has completed the following tasks:1.This paper has introduced the basic principles of isolated structures and the basic design methods of the isolated structure,at the same time isolation layer and the upper part of the isolation structure should meet the requirements.2.Using SAP2000 establish a large bay multi-ribbed composite wall isolation model.This paper use time-history method to analysis earthquake response and compare the results of time-response analysis of the isolated structure with non-isolated structure’s;It compare horizontal seismic response results to three-dimensional seismic response results verify that the general isolation needn’t consider the vertical earthquake effect;contrast the effect of isolation of different locations,different intensity,different isolation layer stiffness,different damping ratio and find the rules to provide the basis for isolation’s design.3.Simplify calculation is very important and effective during the design phase of the program.This article describes the simplified method gived in "Code for Seismic Design of Building" and the simplified calculation methord of the two-particle model, the results of the time-history analysis were compared to the results of the simplified methods to verify the feasibility of simplified methords.

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CLC: > Industrial Technology > Building Science > Building structure > Special Structure > Anti - shock structure,disaster prevention structures > Shock, isolation, and explosion-proof structure > Isolated structure
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