- 摘 要
-
劉海卿1,2，邱曉慧1，劉 東1
(1 遼寧工程技術(shù)大學(xué)建筑工程學(xué)院，阜新123000; 2 大連理工大學(xué)土木水利學(xué)院，大連116024)[摘要] 運(yùn)用LS-DYNA軟件對兩種工況下的底框多層砌體結(jié)構(gòu)在高烈度地震作用下進(jìn)行倒塌破壞的全過程模擬。研究結(jié)果表明：底層框架破壞，造成上部砌體結(jié)構(gòu)失穩(wěn)，最終導(dǎo)致結(jié)構(gòu)整體的倒塌，增大底層框架柱的尺寸可以有效減緩結(jié)構(gòu)的破壞時問、減輕結(jié)構(gòu)破壞程度。該成果利用模擬的可視化再現(xiàn)地震時建筑結(jié)構(gòu)的倒塌過程。
[關(guān)鍵詞] 底框砌體結(jié)構(gòu)；高烈度區(qū)；倒塌破壞；不同工況Characteristic analysis for collapse of masonry structure of bottom frame in high earthquake intensity regions
Liu Haiqing1,2, Qiu Xiaohui1, Liu Dong1
(1 College of Engineering and Architecture, Liaoning Technical University, Fuxin 123000, China; 2 College of Civil and Hydraulic, Dalian University of Technology, Dalian 116024, China)Abstract: In order to research the rule of the earthquake damage of structural system thoroughly and analyze failure mechanism and the factor of resisting collapse, the whole process from the damage to the collapse of masonry structure with bottom frame under high-intensity earthquake is simulated by using LS-DYNA software. The results show that the damage ofbottom frame causes instability of the upper part which eventually leads to the collapse of the whole structure. It can effectively slow down the time of destruction of the structure, reduce the damage of level of the structure by increasing the size of the column of the bottom frame. The result presents the whole process of the collapse at the earthquake action by using visual method, which proposes the weaknesses of structure.
Keywords: masonry structure ofbottom frame; high earthquake intensity region; collapse; different load
- 下載地址
-
