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城市地下潜在的孔洞对城市建筑的安全性构成威胁,微重力测量通过观测目标区域内重力场的微小变化来反演地下物质的分布情况,进而达到探测地下孔洞的目的。本文采用CG-5高精度相对重力仪对同济大学校园内防空洞地表区域进行了微重力测量实验,正确发现了地下防空洞的位置。
Abstract：The potential underground cavities or holes pose a threat to urban architectures. By observing small changes in the gravitational field in the target area,micro-gravity measurements can be used to the inversion of the underground material distribution,so as to detect underground cavities. In this paper,a micro-gravity measurement experiment is carried out at the air-raid shelter area in the campus of Tongji University with high-precision gravity measurement instrument,CG-5,and the location of the underground air-raid shelter is successfully detected.
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基本信息:
中图分类号:P631.1
引用信息:
[1]胡强,伍吉仓,郑二龙,等.利用微重力测量探测城市地下孔洞[J].工程勘察,2015,43(11):74-78.
基金信息:
测绘地理信息公益性行业科研专项资助(项目编号:201412017)
2015-11-01
2015-11-01