建筑结构

2017, v.47(S1) 276-280

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地下车库楼盖体系经济性分析及方案优化
Economic research on floor system of underground garage and structure optimization

王昌兴;付学宝;牟艳君;陈春材;
Wang Changxing;Fu Xuebao;Mu Yanjun;Chen Chuncai;Beijing Tsinghua Urban Planning and Design Institute Materials Saving Research and Structural Optimization Center;

摘要(Abstract):

分析了9种地下车库楼盖体系的经济性和层高,确定了无梁楼盖体系的优越性。针对大平托板无梁楼盖存在角部应力集中、开裂较严重的问题,提出了一种大斜托板无梁楼盖,并采用ABAQUS进行弹塑性分析。分析结果表明,与大平托板无梁楼盖相比,大斜托板无梁楼盖材料利用更充分,材料用量降低,承载力提高,且应力集中、开裂较严重的问题得到明显改善。
The economy and the story height of 9 floor systems of underground garage were compared and researched and the advantage of the flat floor system was confirmed.The problems of stress concentration and badly crack in the corner of the flat floor system with big flat drop panel were contraposed,a new flat floor system with big slant drop panel was proposed,and then an elastoplastic analysis by ABAQUS was done.The analysis results show that comparing with the flat floor system with flat drop panel,the system with big slant drop panel uses material more fully,and has significantly higher bearing capacity with less material,and the problems of stress concentration and badly crack have be improved obviously.

关键词(KeyWords): 地下车库;楼盖;经济性;平托板;斜托板
underground garage;floor system;economy;flat drop panel;slant drop panel

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作者(Author): 王昌兴;付学宝;牟艳君;陈春材;
Wang Changxing;Fu Xuebao;Mu Yanjun;Chen Chuncai;Beijing Tsinghua Urban Planning and Design Institute Materials Saving Research and Structural Optimization Center;

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