2) surface subsidence reduction ratio
地表减沉率
3) surface subsidence
地表下沉
1.
Study on the surface subsidence owing to drainage in porous aquifers;
多孔介质含水层疏水引起的地表下沉研究
2.
In order to accurately calculate the mining induced subsidence in thick alluvium areas so as to decrease the mining damage and environment disruption,the calculation of surface subsidence caused by water loss of clay was discussed based on probability integral method and used in a real case.
为了更加精确地计算厚冲积层矿区的煤矿开采沉陷问题,减小采动损害与环境破坏,基于煤矿开采沉陷计算的概率积分法,探讨了由于黏土体失水引起的地表沉陷计算问题,推导了黏土体失水引起的地表下沉计算公式,并应用于煤矿实际地表沉陷,加以分析论证。
3.
The surface subsidence basin is the result of underground coal mining.
地下采煤会导致地表下沉盆地的形成。
4) subsidence
[英][səb'saɪdns] [美][səb'saɪdṇs]
地表沉陷
1.
Mechanism and protection on subsidence and cover rock caving of mining;
开采引起的覆岩冒落及地表沉陷的机理与防护
2.
on the subsidence,and points out that the selection of the proper mining method possesses important significance on reducing the subsidence.
重点分析了房柱式采煤方法、条带开采方法、水砂充填采煤方法、分层间歇开采方法和离层带高压注入泥浆技术等对地表沉陷的影响,指出选择合适的开采方法对于减轻地表沉陷具有重要意义。
3.
The earth's surface subsidence is one of the disasters caused by coal exploitation.
矿山开采过程中引起的地表沉陷,为了解决这一问题对覆岩离层的产生机理进行了研究。
5) Surface subsidence
地表沉降
1.
Forecast and analysis of surface subsidence of metro tunnel construction in mucky ground;
淤泥质地层地铁隧道施工地表沉降预测及分析
2.
Analysis & statistics of surface subsidence of hidden-digging station construction in Beijing Subway;
北京地铁暗挖车站施工地表沉降统计及分析
3.
Finite element analysis of surface subsidence displacement in recovery blocks;
开采区块地表沉降位移的有限元分析
6) surface displacement
地表沉陷
1.
By numerical simulation,the features of strata movement,fundamental behavior of related parameters of surface displacement and stress distribution are obtained.
利用大型有限元分析软件ANSYS对开采倾斜煤层引起的岩体移动、地表沉陷及应力分布情况进行了数值模拟,总结出倾斜煤层开采时岩体移动的基本特征及地表沉陷的相关参数。
2.
According to the complex mining geological condition of steep excavation , FLAC program are carried out for strata movement and surface displacement due to coal extraction by different mining layouts.
针对急倾斜煤层开采复杂的采矿地质条件,运用求解非线性大变形问题有限差分法(FLAC),对不同开采方案所引起的岩体移动和地表沉陷进行了研究,总结出了岩体移动的基本特征和地表沉陷的相关参数。
3.
FLAC program are carried out for strata movement and surface displacement due to coal extraction by different mining layouts.
运用求解非线性大变形问题有限差分法(FLAC),对开采引起的岩体移动和地表沉陷进行了研究,总结出了岩体移动的基本特征和地表沉陷的相关参数,所得结果对现场开采具有一定的指导作用,对开采所致的地表沉陷的治理提供了科学依据。
补充资料：地表
1.地面，大地的表面。 2.指陆地的边际。 3.指地球的表面，即地壳的最外层。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条