Applications of Pre-Geological Prediction in Tunnel Construction

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Applications of Pre-Geological Prediction in Tunnel Construction

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Pre-geological prediction (PGP) is defined as the prediction of engineering geologic condition and hy-drogeological condition certain distance ahead of the working face. The purpose of this paper is to introduce mainlygeologic survey before and in excavation, to clarify their emphasis on PGP. At the same time, the technique is appliedto an engineering case, the longest highway tunnel in Gansu province. Data of geological survey of outside tunnels,sound wave detection, and geologic sketch for both tunnel face and sidewalls within the tunnel are analyzed. Afteranalyzing these data, long-term pre-geological prediction forecasting basic geological conditions of fault 4 such aslithology, scope, location, etc., and short-term and more accurate pre-geological prediction are reported.

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《矿业科学技术（英文版）》 |2005年第3期|203-207|共5页
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作者单位

School of Civil Engineering & Architecture Beijing Jiaotong University Beijing 100044 China;

Scientific Research Institute under China Railway Tunnel Group Co. Ltd. Luoyang 471009 China;

China Railway Tunnel Group Co. Ltd. Luoyang 471009 China;

College of Earth and Environment Sciences Lanzhou University Lanzhou Gansu 730000 China;

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原文格式 PDF
正文语种 chi
中图分类废水的处理与利用;
关键词
pre-geological prediction; geologic survey; tunnel construction;

机译：地质前预测地质调查隧道施工;

Applications of Pre-Geological Prediction in Tunnel Construction

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