【摘要】 隧道施工期的地质超前预报要解决的问题是:能够准确无误地查明其工程岩体的状态、特征以及可能发生地质灾害的不良地质体的位置、规模和性质,特别是在复杂的岩溶地区该工作尤为重要。超前预报的方法目前分为两大类,即直接预报方法和间接预报方法两类。直接预报方法主要有掌子面的超前钻探、超前平导法等;间接预报方法主要是多种类型的地球物理探测手段。回顾了我国隧道工程超前预报技术的历史,介绍了近年来的研究进展,分析了其现状,指出了当前亟待解决的一些问题并提出了解决这些问题的基本设想。对目前国内正在进行研制的相控阵探地雷达的进展情况进行了介绍。更多还原

【Abstract】 The problems to be solved for geological prediction in the construction period of a tunnel are to accurately determine the state and characteristics of rock bodies along the tunnel, and the localities, sizes and behaviors of adverse geological bodies. This work is very important, especially in complicated karst regions. Forward geological prediction methods are divided into two kinds: direct prediction and indirect prediction. The direct prediction method mainly includes forward boring starting from heading face and pilot heading. The indirect prediction method includes various geophysical exploration tools. This paper reviews the history of forward geological prediction technology for the tunnel engineering in China, presents the development of prediction technology research in recent years, points out some existing problems to be solved at first and puts forward basic ideas for dealing with these problems. The recent progress of phased array ground penetrating radar which is being developed in China is also presented.更多还原