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隧道建设(中英文) ›› 2012, Vol. 32 ›› Issue (6): 821-826.DOI: 10.3973/j.issn.1672-741X.2012.06.013

• 研究与探索 • 上一篇    下一篇

方解石的形成机制及其在岩溶隧道地质预报中的应用研究

任昌真1,史友海1,何宇2   

  1. (1.中铁隧道集团有限公司贵广铁路工程指挥部, 贵州 都匀 558000; 2.中铁西南科学研究院, 成都 610031)
  • 收稿日期:2012-09-03 修回日期:2012-10-20 出版日期:2012-12-20 发布日期:2012-12-28
  • 作者简介:任昌真(1981—),男,河南睢县人, 2003年毕业于郑州大学土木工程学院土木工程专业,本科,工程师,现从事安全质量管理工作。

Forming Mechanism of Calcite and its Application in Geological Prediction

REN Changzhen1, SHI Youhai1, HE Yu2   

  1. (1. GuiyangGuangzhou Railway Project Headquarters of China Railway Tunnel Group Co., Ltd.,  Duyun 558000, Guizhou, China; 2. China Southwest Research Institute of China Railway Engineering  Company Limited, Chengdu 610031, China)
  • Received:2012-09-03 Revised:2012-10-20 Online:2012-12-20 Published:2012-12-28

摘要: 为提高岩溶隧道中地质预报的准确性,通过对方解石与岩溶、断层及地下水的产出特征变化研究以及其含量变化统计,通过现场的统计分析及追踪调查表明,在隧道施工中可以根据方解石的含量变化及产出特点再结合物探方法来推测隧道掌子面前方的地质情况。主要结论如下: 1)根据方解石的产出特征规律结合物探方法能识别出前方即将出现的地质异常体; 2)地质预报工作需要地质方法和物探方法相结合,才能取得准确判释; 3)在地质学上,通过对微观现象的统计整理,再对其进行分析研究,可以对宏观构造现象的判断起到帮助作用。

关键词: 方解石, 形成机制, 岩溶隧道, 地质预报

Abstract: The relationship among calcite and characteristics of karst, fault zone and ground water are studied, so as to improve the accuracy of geological prediction in construction of karst tunnels. The geological prediction method, which is based on the analysis on the content and characteristics of calcites and the application of geophysical prospecting technology, is proposed. Conclusions drawn are as follows: 1) Anomalous bodies can be detected by means of analyzing the characteristics of calcite, under the help of geophysical prospecting technology. 2) Geological technology and geophysical prospecting technology are needed in geological prediction so as to achieve accurate prediction results. 3) With the help of statistics of and studying on micro phenomenon, macroscopical structures can be detected.

Key words: calcite, forming mechanism, karst tunnel, geological prediction