探地雷達在黔東淺變質巖區(qū)隧道地質預報中的應用
本文關鍵詞:地質雷達特征圖像與典型地質現象的對應關系,由筆耕文化傳播整理發(fā)布。
Title: Application of ground probing radar in geological forecast for tunnel construction in epimetamorphic rock zone of QianDong
作者: 朱建群1,關輝輝1,周勇2,羅小文3
Author: ZHU Jian-qun,GUAN Hui-hui,ZHOU Yong,LUO Xiao-wen
作者單位: 1.湖南科技大學 巖土工程研究所,湖南 湘潭 411201;2.貴州高速公路開發(fā)總公司 貴州 貴陽 550004;3.中國建筑第五工程局有限公司 湖南 長沙 410004
摘要: 隧道工程中存在許多難以預計的不良工程地質現象,其嚴重影響隧道的正常施工.在對區(qū)域地質和掌子面巖性勘查的基礎上,通過對廈蓉線黔東淺變質巖區(qū)的探地雷達圖像解譯分析,探討了裂隙帶、斷層破碎帶及富水帶的雷達圖像特征,以此說明建立“以地質法為基礎,探地雷達為主要物探手段”的綜合超前地質預報體系的重要性,為該區(qū)雷達測試提供圖像信息庫.
Abstract: There are some unfavorable geological phenomena,which have a strong bad impact on tunnel construction. The advanced geological forecasts for epimetamorphic rock were perfected in tunnels of Qiandong zone at Xiarong Line. The images of GPR were analyzed on the basis of geological condition of region and lithology of tunnel face. The features were discussed,include geologic radar features images of rock integrity, fault fracture zone, enriched ground water zone and fissure zone. So it is important during the advanced geological forecast to build a complex method,a basis of geology and a main geophysical method of GPR. And for a certain area, all images enrich the geological information of GPR.
關鍵詞: 隧道;淺變質巖;探地雷達;超前地質預報
Keywords: tunnel; epimetamorphic rock; ground probing radar; advanced geological forecast
中圖分類號: TU444
收稿日期: 2010-09-07
基金項目: 貴州省交通運輸廳科技項目(2010-122-032);湖南省科技廳計劃項目(2009TP4039-2)
通信作者: 朱建群(1975-),女,江西上饒人,博士,副教授,主要從事巖土工程方面的教學與研究.E-mail:zhu-jq@163.com
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本文關鍵詞:地質雷達特征圖像與典型地質現象的對應關系,由筆耕文化傳播整理發(fā)布。
本文編號:101279
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