一种氡气地表探测覆岩采动裂隙综合试验系统研制与应用

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摘要在概述现有关于覆岩采动裂隙发育特征方面研究现状和总结氡气现有工程应用领域的基础上，首次尝试将氡气的地球物理化学特性应用于采矿工程领域，将放射性测量方法引入到地下煤炭开采覆岩采动裂隙发育过程及其含水性方面的探测，并独立自行研制氡气地表探测覆岩采动裂隙综合试验系统。该综合试验系统具有拆装简便，物理模拟模型铺设方便，在同一物理模拟试验台架上可快速实现二维或三维物理模拟试验等优点。将该综合试验系统应用于神东矿区大柳塔煤矿11203工作面开采二维相似物理模拟试验中，模拟得出覆岩采动裂隙动态演化特征及其与氡气浓度变化二者之间的对应规律。同时，该试验也进一步地验证采用氡气地表探测覆岩采动裂隙的可行性。

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关键词 ：采矿工程, 放射性, 采动裂隙, 氡气探测, 综合试验系统

Abstract：Based on summarizing existing research status of mining-induced fractures developing features in overlying strata and engineering application domains of radon gas，geophysical and chemical properties of radon gas are applied attemptly to the field of mining engineering firstly；and the radioactive measurement method is introduced to detect the mining-induced fractures development process in overlying strata and its containing water quality in underground coal mining. Then，a comprehensive test system for detecting mining-induced fractures in overlying strata on surface with radon(CTSR) is independently developed，which has the advantages of installation-dismantlement facility，physical simulation model laying convenience and achieving fast two or three dimensional physical simulation experiment. The CTSR has been used to two-dimensional similar physical simulation for mining coalface 11203 of Daliuta coal mine in Shendong mining area，the dynamic evolution characteristics of mining-induced fractures in overlying strata and its corresponding law with radon concentration change have been obtained. Meanwhile，the feasibility of detecting mining-induced fractures in overlying strata on surface with radon also has been validated further in this experiment.

Key words： mining engineering radioactivity mining-induced fractures radon detection comprehensive test system

收稿日期: 2011-03-30

引用本文:

张炜1，2，张东升1，2，马立强1，2，王旭锋1，2，范钢伟1，2，许猛堂1，2. 一种氡气地表探测覆岩采动裂隙综合试验系统研制与应用[J]. 岩石力学与工程学报, 2011, 30(12): 2531-2539.
ZHANG Wei1，2，ZHANG Dongsheng1，2，MA Liqiang1，2，WANG Xufeng1，2，. DEVELOPMENT OF A COMPREHENSIVE TEST SYSTEM FOR DETECTING MINING-INDUCED FRACTURES IN OVERLYING STRATA ON SURFACE WITH RADON AND ITS APPLICATION. , 2011, 30(12): 2531-2539.

链接本文:

http://www.rockmech.org/CN/Y2011/V30/I12/2531

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