Influence of Nonassociativity on the Bearing Capacity Factors of a Circular Footing

Numerical computations using the finite difference code FLAC （fast Lagrangian analysis of continua） are presented to evaluate the soil bearing capacity factors Nc＇, Nq＇ and Nγ＇ for circular smooth and rough footings. The influence of nonassociative flow rule on the ultimate bearing capacity of a cir...

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Published in:Shanghai jiao tong da xue xue bao 2009-08, Vol.14 (4), p.429-434
Main Author: 赵岚 王建华
Format: Article
Language:English
Subjects:
Architecture
Computer Science
Electrical Engineering
Engineering
Life Sciences
Materials Science
价值观
圆形基础
土壤质量
屈服准则
快速拉格朗日分析
数值计算
有限差分
极限承载力
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description Numerical computations using the finite difference code FLAC （fast Lagrangian analysis of continua） are presented to evaluate the soil bearing capacity factors Nc＇, Nq＇ and Nγ＇ for circular smooth and rough footings. The influence of nonassociative flow rule on the ultimate bearing capacity of a circular footing is investigated. The footing rests on the surface of a homogeneous soil mass and a Mohr-Coulomb yield criterion have been assumed for the soil behavior. The values of ultimate bearing capacity factors Nc＇, Nq＇ and Nγ＇are obtained for a wide range of values of the friction angle for five different values of the dilation angle. The values from the numerical simulation are found to decrease significantly With the increase of nonassociativity of the soil. The results are compared with those derived from existing classical solutions.
doi_str_mv 10.1007/s12204-009-0429-0
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The influence of nonassociative flow rule on the ultimate bearing capacity of a circular footing is investigated. The footing rests on the surface of a homogeneous soil mass and a Mohr-Coulomb yield criterion have been assumed for the soil behavior. The values of ultimate bearing capacity factors Nc＇, Nq＇ and Nγ＇are obtained for a wide range of values of the friction angle for five different values of the dilation angle. The values from the numerical simulation are found to decrease significantly With the increase of nonassociativity of the soil. 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1995-8188
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subjects Architecture
Computer Science
Electrical Engineering
Engineering
Life Sciences
Materials Science
价值观
圆形基础
土壤质量
屈服准则
快速拉格朗日分析
数值计算
有限差分
极限承载力
title Influence of Nonassociativity on the Bearing Capacity Factors of a Circular Footing
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