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随着我国城镇化建设的步伐加快,在开展小区规划的工作中,查明第四纪隐伏活动断层对于抗震评价与设计显得十分重要,已成为地球物理工作者多年来研究的热点问题。本文在阐明隐伏活动断层及其地球物理特征的基础上,针对城市特殊的场地条件和干扰环境,提出了以浅层地震反射波法为主,高密度电阻率或探地雷达、氡气测量等方法为辅的新型综合物探组合模式,并深入研究了其可行性和互补作用。实践表明,上述综合物探方法组合可适应于第四纪不同埋深、不同尺度、不同类型的隐伏活动断层探测,且是行之有效的方法。
With the accelerating pace of urbanization in our country, it is very important to identify the fault activities in Quaternary during the planning of residential areas. It has become a hot issue for geophysical workers over the years. Based on the clarification of hidden active faults and their geophysical characteristics, aiming at the special urban site conditions and interference environment, this paper proposes a method based on shallow seismic reflection wave method, high density resistivity or ground penetrating radar and radon gas measurement Method, supplemented by a new combination of geophysical and geophysical methods, and in-depth study of its feasibility and complementarity. Practice shows that the above combination of geophysical methods can be adapted to different depths, different scales and different types of hidden active faults in Quaternary, and is an effective method.