| 现场室内两用大型直剪仪研制(I)：结构设计 |
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| 引用本文： | 闵弘,刘小丽,魏进兵,邓建辉,谭国焕,李焯芬.现场室内两用大型直剪仪研制(I)：结构设计[J].岩土力学,2006,27(1):168-172. |
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| 作者姓名： | 闵弘 刘小丽 魏进兵 邓建辉 谭国焕 李焯芬 |
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| 作者单位： | 1. 中国科学院岩土力学重点实验室,武汉,430071
2. 香港大学,土木工程系,香港 |
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| 摘 要： | 直剪仪是测定岩土体抗剪强度参数应用最为普遍的一种试验仪器。从直剪仪的结构和大型直剪仪的研制两个方面对直剪仪的研究现状做了介绍，在此基础上，对新近研制的现场室内两用大型直剪仪的结构组成、工作机理及其特点进行了详细分析。该大型直剪仪与常规直剪仪相比，具有较大的优越性，其测试结果更加准确。适用范围广，测试精度高，可应用于现场和室内试验。
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| 关 键 词： | 大型直剪仪 直剪试验 工作机理 |
| 文章编号： | 1000-7598-（2006）01-0168-05 |
| 收稿时间： | 2004-12-03 |
| 修稿时间： | 2004年12月3日 |
A new large direct shear apparatus for field and laboratory test (Ⅰ): configuration |
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| MIN Hong,LIU Xiao-li,WEI Jin-bing,DENG Jian-hui,Tham L.G,Lee C.F.A new large direct shear apparatus for field and laboratory test (Ⅰ): configuration[J].Rock and Soil Mechanics,2006,27(1):168-172. |
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| Authors: | MIN Hong LIU Xiao-li WEI Jin-bing DENG Jian-hui Tham LG Lee CF |
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| Affiliation: | 1.Key Laboratory of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2.Department of Civil Engineering, University of Hong Kong, Hong Kong, China |
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| Abstract: | Direct shear apparatus (DSA)has been widely used in the world for testing soil shear strength in geotechnical engineering. This paper illustrates the research work on configuration of DSA and its development at present. Then, a new large direct shear apparatus is analyzed in detail from its configuration, shear mechanism and characteristics. Compared with the conventional DSA, the new large DSA has more advantages and it can be used in field and laboratory test with accurate results. |
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| Keywords: | large direct shear apparatus direct shear test shear mechanism |
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