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Seismic Research of Masonry Structures Based on Static Push-Over Method

Author: ZeWangNiMei
Tutor: ZhaoShiChun
School: Southwest Jiaotong University
Course: Structural Engineering
Keywords: Masonry structure Static nonlinear analysis Story drift Seismic performance assessment
CLC: TU364
Type: Master's thesis
Year: 2011
Downloads: 52
Quote: 0
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Abstract


The world , the country suffered one of the countries most affected by the earthquake disaster in our country in recent years , the size of the constant earthquakes on housing construction caused varying degrees of damage, in particular, is relatively weak seismic capacity of masonry structure . Wenchuan earthquake caused extensive damage in the masonry structure , caused by the domestic and foreign scholars attach great importance to the masonry structure . This thesis focuses on the main content of the seismic assessment of masonry structures for the following tasks: this paper as the background to the destruction of the Wenchuan earthquake masonry structure , the teaching building of masonry structures , residential buildings and dormitories earthquake damage investigation and analysis of earthquake damage and summed up the main reason for the destruction . Second article proposed by scholars analysis calculation model summary and discussion of the characteristics of the various models , and concluded that the equivalent frame model compared to other models more suitable for masonry structures static nonlinear analysis . Cross the wall and the vertical wall of masonry structures were used in the analysis of different models to emulate . Obtained according to domestic and foreign research data on the seismic performance level by level division of the seismic performance of masonry structures . According to the statistics of the test data of the masonry walls and its characteristics in different stages , the proposed restrictions as the seismic performance assessment indicators displacement angle between the application layer . This paper analyzes the structure of different number of spans and layers five push-over curve analysis across several layers of the seismic performance . And then for three five-span structure , story drift indicators on the assessment of the seismic performance . Finally, for the same across several different layers of the two structures , multi- case analysis of structures under earthquake of 7 degrees and 8 degrees and seldom occurred earthquake , when the thickness of the wall for the displacement angle contrast between 240mm and 370mm layer obtained the performance level of the structure , and then get the recommendations of the structural height .

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CLC: > Industrial Technology > Building Science > Building structure > The structure of the soil, brick, stone,bamboo,wood > The structure of the large brick block structure and a large wooden partition ( Wall )
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