Calculation for Undrained Shear Strength of Saturation Cohesive Soils Using Flat Dilatometer
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摘要: 评价上海地区饱和软粘土的不排水抗剪强度。通过室内试验及十字板剪切试验得到的不排水抗剪强度cu与用扁铲指数(水平应力指数KD)计算得到的不排水抗剪强度cu进行比较,说明Marchetti(1980)计算cu的公式适用于上海地区的饱和软粘土。同时,扁铲模量ED与不排水抗剪强度cu具有线性相关性,故找到了一个更为简便的计算不排水抗剪强度cu的公式。Abstract: Through comparing the undrainde shear strength determined by laboratory tests with that by DMT horizontal stress index KD,make a conclusion that Marchetti's equations concerning the evaluation of undrained shear strength are applicable to soft cohesive soils in Shanghai district,and the dilatometer modulus ED has linear relativity with undrained shear strength.
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