The Bearing Capacity of Shallow Foundations under Eccentric Loads

• Main Authors: Jin-Rong Lin, 林進榮
• Other Authors: Shi-Chih Chu
• Format: Others
• Language: zh-TW
• Published: 1994
• Online Access: http://ndltd.ncl.edu.tw/handle/50281016966398923814

碩士 === 淡江大學 === 土木工程研究所 === 82 === This paper utilizes the Prandtl-Terzaghi mode for calculation of the bearing capacity of shallow foundation under an eccentric load. The fan-shaped free body for stress analysis consists of two lines and part of a logarithmic spiral. Rankine''s state of stress is utilized in the analysis. The calculated bearing capacity factors Nc,Nq,Nr are tabulated for quick reference. Result shows that the bearing capacity factors for vertical concentric loads are comparable with respective factors from literature when a rough base is assumed. When a shallow foundation is subjected to a eccentric load, the calcutated bearing capacity compare favorably with Meyerhof''s and Saran and Prakash''s test results , but larger differences are observed when compared with Purkayastha and Char''s test result.