1) Rate ground of subsidence
地表下沉速度
2) 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。
3) ground surface subsidence
地表下沉
1.
Visco-elastic model for analysis of ground surface subsidence for underground mining;
地下开采地表下沉分析的粘弹性力学模型
2.
Model for dynamic process of ground surface subsidence due to underground mining
地下采矿引起的地表下沉的动态过程模型
3.
The laws of ground surface subsidence and rockmass movement in east area of Chenchao iron mine due to underground mining are studied.
东区现有地表下沉属于不连续下沉,岩层破坏主要是缓慢型破坏。
5) subsidence velocity
下沉速度
1.
It points out that there is a basic corresponding relationship between sruface subsidence velocity and rock-burst, which has inverse-spring effect, wave band effect, lagging character, he rules of the relationship was summarized.
从全新角度出发,以山东华丰矿上覆砾岩运动与发生冲击矿压的关系为研究重点进行了理论分析,总结了两者之间的内在规律性,指出华丰矿地表下沉实质上即反映了上覆砾岩运动的规律,其地表下沉速度与冲击矿压、地表下沉速度周期性与冲击矿压的周期发生具有一定的对应关系,并首次提出地表下沉速度的反弹效应、大周期、小周期、周期自相似性等规律现象,最后指出了以地表下沉速度为监测指标的新的冲击矿压预测与防治方法的可行性,对开采引发冲击矿压预测研究具有一定的借鉴意义。
2.
According to experiment results, the characteristics of subsidence velocity is analyzed, and the view is presented that maxinum subsidence velocity is the function of the mining area.
根据实验结果分析了采动下沉速度变化的特点 ,提出了最大下沉速度值是开采面积的函数 ,并根据下沉速度曲线的特征 ,建立了在不同开采面积下某一层位的下沉速度函数形式 ,最后根据下沉速度与下沉值的关系推导出动态下沉值的计算公式。
6) sinking speed
下沉速度
1.
The aircraft landing sinking speed is one of the major parameters during undercarriage design and undercarriage strength inspection of the aircraft design typing flight test.
飞机着陆下沉速度是起落架设计和飞机设计定型试飞的起落架强度检查中的最主要的参数之一。
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