Application of comprehensive survey methods in the gypsum mine goaf for Mengxi-Huazhong railway route selection
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摘要:
以蒙华铁路荆沙段石膏矿采空区勘察为例，介绍了采用遥感解译、调查访问、勘探验证相结合的采空区综合勘察方法。针对铁路穿越采空区选线重点关注的问题，提出了采空区勘察的工作思路，阐述了卫片、航片、多时相分析的采空区遥感解译方法，提出采空区调查访问时应重点关注的问题及如何开展综合分析，并提出应根据区域地质条件、采空区发育特征、勘探方法的适用性、场地条件等，合理选择勘探验证方法。最后，通过实例分析，介绍了金陵、宝安石膏矿采空区的综合勘察，可为类似采空区勘察提供借鉴和参考。
Abstract:Taking the investigation of the mined-out area of gypsum mine in Mengxi-Huazhong railway Jingmen-Yueyang section as an example, this paper introduces the comprehensive survey method of the mined-out area by the combination of remote sensing interpretation, investigation and visit and exploration verification. In view of the problems of railway route selection through goaf, the working idea of goaf survey is put forward, and the remote sensing interpretation method of goaf based on satellite photograph, aerial photograph and multi-temporal analysis is expounded. This paper puts forward the problems that should be paid attention to in the investigation and visit of goaf and how to carry out comprehensive analysis. It is also proposed that the exploration verification method should be reasonably selected according to the regional geological conditions, the development characteristics of the goaf, the applicability of exploration methods, site conditions and so on. Finally, the comprehensive survey of goaf in Jinling and Baoan gypsum mines is introduced, which can provide reference for similar goaf investigation.
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Key words:
- gypsum mine /
- goaf /
- remote sensing interpretation /
- geophysical exploration /
- comprehensive survey
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表 1 采空区调查访问内容
Table 1. Investigation and interview contents
访问对象 访问内容 矿上工作人员 开采方法
矿体分布特征，包括矿石类型、矿体埋藏深度、倾向、倾角、是否有断层切割、开采厚度等
开采方向
地下采空分布特征及处理方法
抽排地下水情况附近居民 是否有爆破震动影响
房屋是否有开裂现象
井水是否有减少或干涸现象
地表是否有采空塌陷
耕地灌溉是否有影响
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