扁铲侧胀原位测试在武汉地铁二号勘察中的应用  

Application of DMT Field Test to Survey of Wuhan No.2 Subway

作　　者：王瑞芳[1,2] 张三定 龚福洪 

机构地区：[1]武汉科技大学城建学院土木系,武汉430070 [2]武汉大学土木建筑工程学院,武汉430072 [3]长江岩土工程总公司,武汉430010

出　　处：《建筑科学》2010年第9期107-110,共4页Building Science

摘　　要：在大型项目的岩土工程勘察过程中,岩土工程性质和设计参数的确定由传统的室内试验方法,逐步转变为多种原位测试手段相结合,通过对比分析的方法,可提供精确度和可靠性更高的勘察成果。结合武汉地铁二号勘察工程,采用扁铲侧胀(DMT)试验,对浅层地基土的扁铲指数进行了现场试验研究,并与室内试验结果进行了对比分析,总结出了一定的规律,为广泛采用扁铲侧胀试验积累经验。During the survey of rock and soil engineering of great project,determinations of property and design parameter are gradually changing from conventional indoor test to many in-situ test ways.Through the contrast way,it can provide more accurate and reliable survey.In combination with the survey engineering of Wuhan N0.2 subway,DMT test was used,field study proceeded against shallow foundation soil by contrast with indoor test,and some rules were drawn,which can accumulate experiences for DMT test used widely.

关 键 词：扁铲侧胀(DMT)试验 地铁勘察 扁铲指数 侧胀模量 

分 类 号：TU413[建筑科学—岩土工程] U231[建筑科学—土工工程]