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《北京地区建筑地基基础勘察设计规范》(DBJ01-501-92)和国标《建筑地基基础设计规范》(GB50007-2002)的承载力公式是分别建立在刚塑体模型和弹塑体模型基础上的,北京规范中又规定了几个不同的承载力计算方法,但并未说明这几个公式间的异同。本文试图探索一下地基承载力公式计算结果的异同,并且通过计算结果的分析建议了比较适合北京地区的承载力计算公式。本文还通过对承载力深宽修正系数的分析,提出了对深宽修正系数修订的相关建议。
The formula of bearing capacity of “Beijing Building Foundation Survey and Design Code” (DBJ01-501-92) and GB “GB7007-2002” is based on rigid plastic model and elastoplastic model respectively Beijing standard also stipulates several different calculation methods of bearing capacity, but does not explain the similarities and differences between these several formulas. This article attempts to explore the similarities and differences between the calculation results of the foundation bearing capacity formula, and through the analysis of the calculation results suggest a more suitable formula for calculating the bearing capacity in Beijing. Based on the analysis of the deep-width correction coefficient of bearing capacity, this paper also put forward some suggestions on the revision of deep-width correction coefficient.