| 客运专线级配碎石抗剪强度试验研究 |
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| 引用本文： | 杨尧,罗强,陈占.客运专线级配碎石抗剪强度试验研究[J].路基工程,2010,0(4):75-77. |
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| 作者姓名： | 杨尧 罗强 陈占 |
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| 作者单位： | 1.西南交通大学高速铁路线路结构理论与技术教育部重点实验室，成都610031 |
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| 基金项目： | 中铁第四勘察设计院集团有限公司科技开发计划项目 |
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| 摘 要： | 针对客运专线基床表层级配碎石的特点，采用大型三轴试验，在低围压下研究了压实度、含水状态和排水（气）对其抗剪强度的影响，进行了条件相当的大型直剪试验，并对两种试验方法及相应抗剪强度指标的适用性进行了讨论，试验成果对工程设计和研究有一定的参考价值。
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| 关 键 词： | 客运专线 级配碎石 抗剪强度 大型三轴和直剪试验 |
| 收稿时间： | 2019-11-11 |
Experimental Study on Shear Strength of Graded Gravel for Passenger Dedicated Line |
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| Authors: | YANG Yao LUO Qiang CHEN Zhan |
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| Affiliation: | 1.Key Laboratory of Theory and Technology of High-speed Railway Structures,Ministry of Education,Southwest JiaotongUniversity,Chengdu 610031,China;2.China Railway Siyuan Survey and Design Institute Co.,Ltd.,Wuhan 430063,China) |
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| Abstract: | According to the characteristics of graded gravel on the bedding surface of passenger dedicated line,the influence of compactness,water content and drainage（exhaust） is studied on the shear strength of gradedgravel under low confining pressure based on large-scale tri-axial test.Equivalent large-scale direct shear test is also carried out.This paper discusses the applicability of theses two test methods and their corresponding shear strength indicator.The result has a certain reference value for engineering design and research. |
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| Keywords: | passenger dedicated line graded gravel shear strength large-scale tri-axial and direct shear test |
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