某高速公路隧道施工超前地质预报技术应用研究

发布时间：2018-01-12 20:37

本文关键词：某高速公路隧道施工超前地质预报技术应用研究　出处：《华南理工大学》2014年硕士论文　论文类型：学位论文

【摘要】：由于地质、水文等环境条件的复杂性，现代山岭隧道施工过程面临诸多的安全风险，充分利用现代物探手段针对隧道施工开展地质超前地质预报工作，对于保证施工安全具有重要意义。由于实际情况的复杂性，当施工过程中遇到复杂地质情况时，采用综合超前地质预报技术措施往往比单一技术手段更具工程实用价值，因此如何结合实际情况针对不同的超前地质预报结果进行综合分析和解释，对于实际工程而言更具实际意义。本文以某高速公路隧道施工超前地质预报为工程背景，在本课题组已有相关研究工作的基础上，进一步开展基于地震散射场理论GPT技术的应用研究，本文主要研究工作内容如下：（1）针对常用的隧道施工超前地质预报方法进行了总结和归纳，，探讨和分析了目前实际工程中应用较多的隧道施工超前地质预报技术特点和应用范围。（2）从实际工程的需要出发，针对地质雷达法和地震反射波法超前地质预报的技术特点、应用效果和存在的问题进行了阐述和分析；重点介绍了基于地震散射波理论的隧道施工超前地质预报新技术GPT的技术特点和实施方法，即通过采用6炮12道多次覆盖和阵列式观测方案，以达到改进和完善超前地质预报技术的主要目的。（3）以正在兴建的某高速公路隧道施工超前地质预报项目为工程依托，开展了GPT超前地质预报新技术的现场试验和对比研究，取得了相应的应用研究成果，通过地质雷达技术和现场开挖对比，验证了本文成果的合理性和有效性。
[Abstract]:Due to the complexity of geological, hydrological and other environmental conditions, the construction process of modern mountain tunnel is faced with many safety risks. Because of the complexity of the actual situation, when the construction process encountered complex geological conditions. The technical measures of comprehensive advanced geological prediction are often more practical than the single technical means, so how to analyze and interpret the different geological forecast results in combination with the actual situation. It is more practical for practical engineering. In this paper, based on the engineering background of advanced geological prediction of a highway tunnel construction, based on the related research work of our group, the application of GPT technology based on seismic scattering field theory is further studied. The main contents of this paper are as follows: This paper summarizes and induces the commonly used geological prediction methods for tunnel construction, and discusses and analyzes the technical characteristics and application scope of advanced geological prediction in tunnel construction, which are widely used in practical engineering at present. (2) according to the need of practical engineering, the application effect and existing problems of geological prediction advanced by geological radar method and seismic reflection wave method are expounded and analyzed. This paper mainly introduces the technical characteristics and implementation methods of GPT, a new advanced geological prediction technology for tunnel construction based on seismic scattering wave theory, that is, by adopting 6 guns and 12 channels multiple coverage and array observation scheme. In order to improve and perfect the main purpose of advanced geological prediction technology. Based on the advanced geological forecast project of a highway tunnel under construction, the field test and comparative study of the new advanced geological forecast technology of GPT are carried out. The corresponding application research results are obtained, and the rationality and validity of this paper are verified by the comparison of ground penetrating radar technology and field excavation.
【学位授予单位】：华南理工大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U452.11

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