TGP206地质超前预报在岩溶隧道施工中的应用
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摘要
岩溶隧道地形和地质条件复杂多变,盲目施工常会造成突水、突泥和塌方等安全事故,深入细致的超前地质预报工作为隧道信息化设计和施工提供了重要的依据。以鸡场坪隧道为工程背景,介绍了TGP206地质超前预报系统破译技术基本原则,提炼了综合成果图破译原则和破译步骤,最后通过对比YK64+885~YK64+735里程初步推断结果和开挖后工作面实际地质情况,证实了综合成果图破译预报的可行性和准确性,对类似工程有一定的借鉴意义。
As the complicated geological and variable topographical conditions in karst area,the rough construction of tunnel could results in accidents,such as water flush,mud inrush,collapse and so on.The thoroughgoing and detailed advance geology prediction can provide important basis for digital tunnel design and construction.Taking Jichangping tunnel project as engineering background,the fundamental principles of interpretation technology for TGP206 advance geology prediction system are introduced in this paper,and the interpretation principles and steps of comprehensive geologic and geophysical map are drew up.Finally,by contrasting the elementary prediction results with actual geological conditions of the working face after excavating in YK64+885～YK64+735 section,the feasibility and accuracy of geological prediction by interpreting comprehensive result maps are conformed.It is provides a reference to similar projections.
As the complicated geological and variable topographical conditions in karst area,the rough construction of tunnel could results in accidents,such as water flush,mud inrush,collapse and so on.The thoroughgoing and detailed advance geology prediction can provide important basis for digital tunnel design and construction.Taking Jichangping tunnel project as engineering background,the fundamental principles of interpretation technology for TGP206 advance geology prediction system are introduced in this paper,and the interpretation principles and steps of comprehensive geologic and geophysical map are drew up.Finally,by contrasting the elementary prediction results with actual geological conditions of the working face after excavating in YK64+885～YK64+735 section,the feasibility and accuracy of geological prediction by interpreting comprehensive result maps are conformed.It is provides a reference to similar projections.
引文
[1]北京市水电物探研究所.TGP隧道地质预报仪用户手册[M].北京:北京市水电物探研究所,2009.
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[8]李术才,李树枕,张庆松,等.岩溶裂隙水与不良地质情况超前预报研究[J].岩石力学与工程学报,2007,(2):217-225.
[9]方建勤,柳群义,朱自强.TSP203+型隧道超前地质预报系统及应用[J].工程地球物理学报,2007,(6):218-224.
[2]陈颙,黄庭芳,刘恩儒.岩石物理学[M].合肥:中国科学技术大学出版社,2009.
[3]李林,姜德义,李田生.TGP12型隧道地质预报仪在大坪隧道超前地质预报中的应用[J].公路交通技术,2007,(8):94-96.
[4]何发亮,李苍松,陈成宗.隧道地质超前预报[M].成都:西南交通大学出版社,2006.
[5]刘云祯,梅汝吾.TGP隧道地质超前预报新技术[M].北京:北京市水电物探研究所,2009.
[6]王永刚.地震资料综合解释方法[M].东营:中国石油大学出版社,2007.
[7]雷宛,肖宏跃,邓一谦.工程与环境物探教程[M].北京:地质出版社,2007.
[8]李术才,李树枕,张庆松,等.岩溶裂隙水与不良地质情况超前预报研究[J].岩石力学与工程学报,2007,(2):217-225.
[9]方建勤,柳群义,朱自强.TSP203+型隧道超前地质预报系统及应用[J].工程地球物理学报,2007,(6):218-224.
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