Practice and Analysis of Height Transmission in Coal Mining Subsidence Area
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摘要: 煤矿开采沉陷区域监测已成为矿山生产和环境治理的重要工作,鉴于沉陷区域的不稳定性,高程基准的建立和传递尤显重要。文中开展高程传递技术方法的特点和适用性分析,并以某矿区及邻区的GNSS 及三等水准测量成果,进行GNSS 测量长距离高程传递的实例分析,结果表明文中方法可满足本矿区沉降监测基准的高程传递需求。Abstract: Monitoring of subsidence in coal mining has become an important task for mine production and environmental management. Given the instability of subsidence areas, the establishment and transmission of height datum is particularly important. In this paper, the characteristics and applicability analysis of the height transmission technology are carried out, and the GNSS and thirdorder leveling data of a mining area and its neighboring areas are used to carry out an example analysis of GNSS measurement of longdistanceheight transmission. The results show that the method in this paper can meet the demand of height transmission of the subsidence monitoring datum in the mine area.
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Key words:
- Mine monitoring /
- GNSS /
- thirdorder leveling /
- monitoring datum /
- height transmission
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