魏代琳;李大勇;牛冰艳;

• 1:山东科技大学山东省土木工程防灾减灾重点实验室
• 2:山东科技大学土木工程与建筑学院
• 3:福州大学土木工程学院

摘要(Abstract)：

通过室内直接剪切试验,研究不同膨润土和高岭土掺量(5%、10%、15%、20%、25%及30%)对饱和砂土剪切特性的影响,提出了可供参考的不同掺量下饱和黏粒-砂混合土的抗剪强度指标。结果表明:掺入膨润土和高岭土黏粒后,饱和砂土的抗剪强度降低,黏聚力增大,内摩擦角减小,并且随着掺量的增加呈现一定的塑性;相同黏粒掺量下高岭土-砂混合土的黏聚力大于相应的膨润土-砂混合土黏聚力,内摩擦角小于相应的膨润土-砂混合土内摩擦。

关键词(KeyWords)： 饱和砂土;黏粒掺量;直接剪切试验;抗剪强度;黏聚力;内摩擦角

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51379118);; 山东科技大学科研创新团队资助项目(2015TDJH104)

作者(Author): 魏代琳;李大勇;牛冰艳;

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