(中国电子工程设计院， 北京 100142)

［摘要］《建筑地基基础设计规范》（GB 50007—2011）第8411条规定：梁板式筏基底板厚度应满足受冲切承载力、受剪切承载力的要求。基于该规范第8412条，通过详细的推导和计算得出：对于梁板式筏基，其底板厚度在满足基本构造要求下由受剪切承载力控制，受冲切承载力不起控制作用。工程实例也证明了此结论。因此，结构设计时可只根据受剪切承载力计算确定梁板式筏基底板厚度。

［关键词］梁板式筏基； 冲切计算； 剪切计算

中图分类号：TU470+.3      文献标识码：A       文章编号：1002-848X(2015)08-0091-03

Relation between punching calculation and shearing calculation for waffle-slab raft

Qi Tao

 (China Electronics Engineering Design Institute, Beijing 100142, China)

Abstract:On the provision 8411 of  Code for design of building foundation (GB 50007—2011), the thickness of base plate for waffleslab raft should be derived by punching calculation and shearing calculation. Based on the provision 8412 of the code, it was obtained by detailed deduction and calculation that the thickness of base plate for waffleslab raft is determined by shearing calculation and is not determined by punching calculation. The same conclusion can be proved by engineering cases. So the shearing calculation is only needed for the thickness of base plate of waffleslab raft.

Keywords: waffleslab raft; punching calculation; shearing calculation

作者简介：齐涛，硕士，工程师，Email:sevenqitao@163.com。

                            参考文献

［1］GB 50007—2011建筑地基基础设计规范［S］.北京：中国建筑工业出版社，2012.

［2］朱炳寅.建筑结构设计规范应用图解手册［M］. 北京：中国建筑工业出版社，2005.