【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。更多还原

【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.更多还原