Abstract
Considering the different Poisson's ratios of subsoil, this paper derived the calculating formula for the critical edge load under the strip foundation, analyzed and discussed the steps of the calculating formula, carried out the maximum depth for the plastic zone reached and bearing capacity factors. With various Poisson's ratio of subsoil, the bearing capacity factors are dependent on internal friction angle and Poisson's ratio. On the case of the constant friction angle, the bearing capacity factors' values and bearing capacity increase with the increasing of Poisson's ratio. Compared with the engineering examples, it demonstrated the accuracy and reasonableness of the presented calculation approach.
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