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济南地区闪长岩残积土的工程地质性质研究
引用本文:尚敏,王清,王元新.济南地区闪长岩残积土的工程地质性质研究[J].工程地质学报(英文版),2006,14(1):60-64.
作者姓名:尚敏  王清  王元新
作者单位:1.吉林大学建设工程学院,长春130026;
摘    要:残积土作为一种特殊土,其工程地质性质往往因母岩类型、地质环境及风化条件的不同差异很大。通过对野外资料、室内试验及原位测试等手段所获得的大量数据的整理分析,对济南地区闪长岩残积土的工程地质性质进行了研究,结果表明该地区的残积土地层剖面在垂直方向上具有分带性,由于残积土体的不均匀性,在力学性质的取值上存在着较大的离散性,在残积土物理、力学性质试验的基础上,结合当地的工程实践经验,提出了c、、a、Es、fak的建议值,以便能进一步指导工程实践。同时,也提出了一些在该地区当采用残积土作为地基持力层及地质条件中有残积土存在时施工、设计中应该充分重视其地层的互层性及不均匀性。

关 键 词:闪长岩    残积土    工程地质性质    济南地区
文章编号:1004-9665/2006/14(01)-0060-05
收稿时间:2005-04-27
修稿时间:2005-06-16

ENGINEERING GEOLOGY PRIOERTIES OF RESIDUAL DIORITE IN JINAN
SHANG Min,WANG Qing,WANG Yuanxin.ENGINEERING GEOLOGY PRIOERTIES OF RESIDUAL DIORITE IN JINAN[J].Journal of Engineering Geology,2006,14(1):60-64.
Authors:SHANG Min  WANG Qing  WANG Yuanxin
Institution:1.College of Construction Engineering,Jilin University,Changchun130026;2.Jinan Search Institute of Exploration and Servying,Jinan250013
Abstract:Residual soil is one of special soils,of which engineering geological property is usually different because of its difference in origin of rock,geological environment and weathering condition.With field exploration,laboratory tests and in-situ tests,the physical and mechanical properties of the residual diorite in Jinan were studied thoroughly.The stratigraphic section of the soil can be classified as two layers on the perpendicular direction.Considering inhomogeneity of the residual soil mass and wide divergence of the value of mechanical properties,the authors suggest values of c,,a,Es,fak as a guideline for engineering practice.It was also pointed out that the interlayer and inhomogeneity of the weathering layers should be emphasized in design and construction when the residual diorite or one of the geologic layers is used for foundation of a structure.
Keywords:Residual  Diorite  Engineering geological property  Jinan area
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