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首页> 外文期刊>Proceedings of the Institutuion Civil Engineers >Bearing capacity of square footing on reinforced pond ash
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Bearing capacity of square footing on reinforced pond ash

机译：方脚在加筋池灰上的承载力

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摘要

This paper presents the ultimate bearing capacity of square footing on pond ash reinforced with a single layer of geotextile reinforcement. The effect of different vital bearing-capacity parameters on the ultimate bearing capacity (q_(ru)) of square footing on reinforced pond ash has been studied. Parameters considered include depth of the reinforcement layer below the footing (u) and friction ratio (f= ψ/φd)-that is, the ratio of the pond ash reinforcement interface friction angle (ψ) to the direct shear friction angle of pond ash ((φd). The value of ulB (B being the width of footing) corresponding to the maximum ultimate bearing capacity is considered as optimum ulB in the current study. In the present investigation the value of optimum ulB ratio was found to increase with increase in friction ratio (f). With increase in friction ratio (f), bearing capacity ratio (BCR_U = (q_(ru)/q_u) where q_u is the ultimate bearing capacity of square footing, of the same size as that for q_(ru), on unreinforced pond ash) increases. In the present investigation BCR_U increases from 1.1 180 to 1.41 58 with a corresponding increase in friction ratio (f) of 0.7073 to 0.9230.
机译：本文介绍了用单层土工织物加固的池塘粉煤灰的方脚极限承载力。研究了不同的关键承载力参数对加筋水灰的方脚极限承载力（q_（ru））的影响。考虑的参数包括基脚以下的增强层深度（u）和摩擦比（f =ψ/φd），即池灰增强界面摩擦角（ψ）与池灰直接剪切摩擦角之比（（φd）。在当前研究中，与最大极限承载力相对应的ulB（B为脚的宽度）的值被认为是最佳ulB。随着摩擦比（f）的增加，承载力比（BCR_U =（q_（ru）/ q_u），其中q_u是平方英尺的极限承载力，其大小与q_（在本研究中，BCR_U从1.1 180增加到1.41 58，摩擦比（f）也相应增加，从0.7073到0.9230。

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