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准固结粘土排水试验的应力性状研究
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作者 杨树才 陈云鹤 《工程力学》 EI CSCD 北大核心 1998年第A03期452-456,共5页
软粘土在恒定的静力压力下经一段时间后可形成准前固结效应,其三轴排水试验结果代表有效应力屈服面,本文依据莫尔-库仑屈服条件,将不规则的主角形截面的角锥体屈服面简化为具有二次式的椭园式屈服面,进而可确定粘土的孔隙压力和变... 软粘土在恒定的静力压力下经一段时间后可形成准前固结效应,其三轴排水试验结果代表有效应力屈服面,本文依据莫尔-库仑屈服条件,将不规则的主角形截面的角锥体屈服面简化为具有二次式的椭园式屈服面,进而可确定粘土的孔隙压力和变形,亦可方便地用于有限元程序求争实际边界值问题。 展开更多
关键词 软粘土 准固结压力 应力-应变性状 排水试验
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Mathematical Model Analysis of Quasi Preconsolidation Soft Clay
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作者 杨树才 邓学钧 +1 位作者 韩世莲 周虎鑫 《Journal of Southeast University(English Edition)》 EI CAS 1998年第1期93-97,共5页
Soft clay may cause quasi preconsolidation effect under the constant hydrostatic pressure after some time. The result of drained triaxial test represents the effective stress yield surface, which can be described by ... Soft clay may cause quasi preconsolidation effect under the constant hydrostatic pressure after some time. The result of drained triaxial test represents the effective stress yield surface, which can be described by simple binary linear fabric model. Therefore the pore pressure and deformation of clay can be decided. It also can be used to resolve the real boundary problems with finite element method. 展开更多
关键词 soft clay quasi preconsolidation pressure yield surface DEFORMATION
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