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综合物探在岩溶地区断裂破碎带的试验研究

Experimental study on the Karst area fracture zones of the synthesizing geophysical methods

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【作者】 郭典塔周翠英罗兴成

【Author】 Guo Dianta1,2,Zhou Cuiying1,Luo Xingcheng3(1.The Sun YAT-SEN University,Guangzhou 510275,China;2.The Architectural Design Research Institute of Guang Dong Province,Guangzhou 510010,China;3.Geologic And Geophysical Engineering Investigation institute of Guang Dong Province,Guangzhou 510800,China)

【机构】 中山大学广东省建筑设计研究院广东省地质物探工程勘察院

【摘要】 岩溶地区地形、地质情况相对复杂,各种物探方法的应用都受到一定条件限制,进行岩溶断裂破碎带勘察时,应进行综合物探勘察,为设计和施工提供可靠的原始资料;本文采用综合物探方法对广州地铁九号线工程田美断裂进行探测,详细查明田美断裂的走向、破碎带宽度、构造破碎特征、断裂的性质、规模和产状等;同时辅以少量勘察验证孔施工对断裂做验证,以便有效地揭示断裂特征,通过实验取得较理想的成果,并意外地发现了田美断裂的次一级断裂。

【Abstract】 The landform and the geology of Karst area is relatively complex,so the application of various geophysical exploration methods are subject to certain limitation.The integrated geophysical reconnaissance should be used in the exploration of Karst fracture zones,and the reliable and original information can be provided to the design and construction.The integrated geophysical methods are used to detect the Tianmei fracture of No.9 line of Guangzhou metro in this paper.The trend of it,the width of fracture zones,the characteristics of structural fracture,the fractured nature,the scale,the occurrence and so on are identified in detail.At the same time,the fracture is verified by the construction of a small amount of validated hole in order to effectively reveal the fractured characteristics.The ideal results can be obtained by experiment,and the sub level fracture of Tianmei fracture is detected unexpectedly.

  • 【文献出处】 工程勘察 ,Geotechnical Investigation & Surveying , 编辑部邮箱 ,2012年06期
  • 【分类号】P631.4
  • 【被引频次】2
  • 【下载频次】202
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