LB-6钻孔弹模测试技术在工程中的应用及分析  

Application and analysis of type LB-6 boring elastic modulus testing technique in engineering

作　　者：张建伟[1] 廖小平 

机构地区：[1]福州大学,福州350108 [2]中铁西北科学研究院有限公司,兰州730000

出　　处：《工程勘察》2016年第8期29-33,78,共6页Geotechnical Investigation & Surveying

摘　　要：文中阐述了弹性模量测试常用手段,包括动力法和静力法两大类,介绍了钻孔弹模设备及测试技术原理。并利用LB-6钻孔弹模仪,结合福建古田县某抗滑桩边坡工程进行现场试验,得出弹性模量随桩身深度范围内的变化规律,并以此规律为基准,分析了钻孔弹模变形曲线特征;最后讨论了测试结果影响因素,证实了钻孔弹模法测定钻孔内原位岩土体变形参数是行之有效的,可为同类相关工程提供参考。The common used methods of elastic modulus testing are described which include two kinds of the dynamic and static methods,and the boring elastic modulus equipment and the test technique principle are introduced. By using LB-6 boring elastic modulus instrument,and combining with an anti-slide pile slope project in Gutian County of Fujian Province,the change regulation of the elastic modulus within the depth of the anti-slide piles is studied. Based on the rules,the features of the deformation curves are analyzed. At last,the influencing factors of test results are discussed. It is proved that the boring elastic modulus method is an effective method for the determination of rock and soil parameters,which could provide reference for similar related projects.

关 键 词：LB-6钻孔弹模仪 弹性模量 压力变形 

分 类 号：TU413.3[建筑科学—岩土工程]