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地基承载力计算方法与地基设计应用分析
孙宏伟1,冯海悦2
摘 要
(1 北京市建筑设计研究院有限公司, 北京 100045; 2 中国建筑标准设计研究院, 北京 100048)

[摘要]地基承载力的确定应兼顾地基强度与地基变形控制。讨论了基础设计过程中的地基设计理念,对地基承载力术语的沿革及地基承载力多种计算方法进行了梳理,并给出了基础宽度和埋深的地基承载力修正系数的计算公式。通过实例分析强调了不同地基承载力计算方法的综合应用。期望能够对设计人员在基础设计时正确理解与综合应用地基承载力计算方法有所帮助。
[关键词]地基设计; 容许承载力; 沉降计算; 差异沉降
中图分类号:TU470      文献标识码:A      文章编号:1002-848X(2015)18-0101-04

Analysis on computation formulae for subgrade bearing capacity applied in geotechnical and foundation design
 
Sun Hongwei1, Feng Haiyue2
 
(1 Beijing Institute of Architectural Design, Beijing 100045, China; 2 China Institute of Building Standard Design & Research, Beijing 100048, China)
 
Abstract: The determination of subgrade bearing capacity should consider subgrade strength and subgrade deformation control. The subgrade design idea in foundation design process was discussed and the evolution of terms for subgrade bearing capacity was introduced as well as calculation methods of subgrade bearing capacity. The calculation formulas of subgrade bearing capacity correction coefficients for the foundation width and depth were given. Through the case analysis, the comprehensive applications of different calculation methods of subgrade bearing capacity were emphasized. It is hoped that the study can be helpful to designers in understanding and comprehensive applying the calculation methods of subgrade bearing capacity in foundation design.
 
Keywords: geotechnical design; allowable bearing capacity; settlement calculation; differential settlement

作者简介:孙宏伟,学士,副总工程师,教授级高级工程师,注册土木工程师(岩土),Email:dijiyanjiu@163.com
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