施工技术 2014年9月上 36 CONSTRUCTION TECHNOLOGY 第43卷第17期 D01:10.7672/gjs2014170036 抗浮锚杆布置形式的数值模拟与对比分析 杨淑娟1,张同波2,于德湖1,袁鹏博 (1.青岛理工大学土木工程学院,山东青岛266033;2.青建集团股份公司,山东青岛266071) [摘要]抗浮错杆由于布置灵活,造价合理,常被用作地下室抗浮措施.常用的抗浮锚杆布置方式有均匀布置和梅 花状布置两种,但何种错杆布置方式更经济、有效缺乏相应研究.通过运用ANSYS有限元软件,采用薄板的小挠 度理论,对实际工程中锚杆均匀布置和梅花状布置两种形式进行有限元分析,发现采用梅花状布置时底板受力更 小,铺杆受力更均匀. [关键词]结构底板;有限元分析;抗浮错杆;受力影响 [中图分类号]TU472 [文献标识码]A [文章编号]1002-8498(2014)17-0036-03 Numerical Simulation and Comparison Analysis of Different Arrangements of Anti-floating Anchor Yang Shujuan' Zhang Tongbo2 Yu Dehu' Yuan Pengbo' (1.School of Civil Engineering Qingdao Technological University Qingdao Shandong 266033 China; 2.Qingjian Group Co.Ld.Qingdao Shandong 266071 China) Abstract:Anti-floating anchor is often used as anti-floating measures of basements.The mon use of arrangement forms includes uniform arrangement and plum shape arrangement form but which one is more economical and effective still lacks appropriate research.This paper analyzes the effects of two arrangement forms and draws a conclusion that foundation slab bears smaller stress and anti-floating anchors are stressed more uniformly when plum shape arrangement form is adopted according to the theory of thin plate with small deformations by ANSYS finite element software. Key words:structural floor;finite element analysis;anti-floating anchors;force influence 1抗浮锚杆与底板相互作用分析的基本原理 K@=R. (2) 建筑物抵抗地下水浮力的有利因素主要包括式中:K为底板刚度矩阵;R为底板节点荷载向量. 自身重力、覆土重力和锚杆抗拔力.地下水位过高 单独分析抗浮错杆,确定其刚度矩阵,建立其 时,上浮水压力超过压重,使底板与...
抗浮锚杆布置形式的数值模拟与对比分析.pdf
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