矿业安全与环保
礦業安全與環保
광업안전여배보
MINING SAFETY & ENVIRONMENTAL PROTECTION
2015年
3期
81-85,89
,共6页
采空区%地表稳定性%开采深度%残余变形
採空區%地錶穩定性%開採深度%殘餘變形
채공구%지표은정성%개채심도%잔여변형
gob area%surface stability%mining depth%residual deformation
煤矿井巷开采形成的采空区对地表的稳定性影响是巨大的，如何准确地确定煤矿采空区对地表的稳定性影响程度成为一个重要的课题。通过工程实例，应用解析法计算了煤矿采空区覆岩稳定性和采空区的残余变形，并根据计算结果对地表稳定性进行了评价。同时，利用数值模拟法就煤矿采空区对地表变形的影响程度进行了计算。对解析法、数值模拟法的计算结果的异同进行了比较，分析了产生差异的原因，为煤矿采空区对地表稳定性影响评价提供了快捷的方法。
煤礦井巷開採形成的採空區對地錶的穩定性影響是巨大的，如何準確地確定煤礦採空區對地錶的穩定性影響程度成為一箇重要的課題。通過工程實例，應用解析法計算瞭煤礦採空區覆巖穩定性和採空區的殘餘變形，併根據計算結果對地錶穩定性進行瞭評價。同時，利用數值模擬法就煤礦採空區對地錶變形的影響程度進行瞭計算。對解析法、數值模擬法的計算結果的異同進行瞭比較，分析瞭產生差異的原因，為煤礦採空區對地錶穩定性影響評價提供瞭快捷的方法。
매광정항개채형성적채공구대지표적은정성영향시거대적，여하준학지학정매광채공구대지표적은정성영향정도성위일개중요적과제。통과공정실례，응용해석법계산료매광채공구복암은정성화채공구적잔여변형，병근거계산결과대지표은정성진행료평개。동시，이용수치모의법취매광채공구대지표변형적영향정도진행료계산。대해석법、수치모의법적계산결과적이동진행료비교，분석료산생차이적원인，위매광채공구대지표은정성영향평개제공료쾌첩적방법。
The gob area has a huge impact on surface stability, how to accurately determine the impact of the gob area on the surface stability has become an important subject. In this paper, the stability of the overlying strata and the residual deformation of the gob area were calculated through the project example and by using the analytical method, and evaluation was carried out on the stability of the ground surface according to the calculated results. Meanwhile, calculation was conducted on the impact degree of the gob area by numerical simulation. The differences of the calculated results obtained by both analytical method and numerical simulation method were compared and the causes of the difference generation were analyzed, all of these provided a quick method for evaluating the surface stability of the gob area in the coal mine.
