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maximum subsidence
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  最大下沉值
     The conclusion has the important significance for forecasting the locations and maximum subsidence values,selecting correctly maximum subsidence angles,predicting the moving directions of the extracted roofs, preventing caving and keeping safe production in mines. 2figs. ,2tabs.
     煤层倾角 越大,地 表最大下 沉值 的变 化越 大的 重要 结论 这 在开采时预 计地表 最大下沉 的位置和 量值,正 确选择 最大下沉 角,以 及预 示开 采后 顶板 的运 移方 向,预防顶板 冒落和 安全生产 作用较大 图2 ,表2 ,参7
短句来源
     The maximum subsidence induced by mining bedding ore(such as coal seam) is an important parameter for estimating the degree of surface movement and deformation.
     最大下沉值是度量层状矿体(如煤层)开采引起的地表移动变形程度的重要参量。
短句来源
     Research on maximum subsidence computation of ground surface
     关于地表最大下沉值计算的研究
短句来源
     ② when r and maximum subsidence is given, the gliding interval reduces with the increase of elastic modulus;
     当r和最大下沉值一定时,随着弹性模量的增加,滑移间距减小;
短句来源
     CALCULATION FOR MAXIMUM SUBSIDENCE INDUCED BY COAL SEAM MINING WITH DIFFERENT DIP ANGLES
     基于倾角变化的最大下沉值计算方法
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  下沉最
     Post-prestressed concrete flat slab-column system was applied in a one-story mart. While concrete is placed on the first floor, partlial slab on the top of the underground first story has subsided in succession to different extents. In comparison with the column, the maximum subsidence of slab neighboring slab-column connection is 100 mm, and the maximum subsidence in the center of the panel is 220 mm.
     某后张预应力混凝土平板-柱结构工程,在浇筑一层顶板混凝土的过程中,负一层顶板部分区域陆续出现不同程度的塌陷,在板柱节点处板相对于柱下沉最大达100mm,板格中心相对于柱下沉最大达220mm.
短句来源
  “maximum subsidence”译为未确定词的双语例句
     After formwork is dismantled, the maximum subsidence of the overhanging structure is only 4.3 mm, achieving a good effect.
     模板拆除后悬挑结构最大下沉量仅为4.3mm,效果良好。
短句来源
     Land subsidence surveying started in 1969.Till 2002,the accumulated maximum subsidence was 0.85 m.
     1969年开始进行地面沉降的水准测量,至2002年,在过去33 a中观测到的最大累积沉降为0.85 m。
短句来源
     In Fuxin city,the subsidence areas reach to 101.38 km~2.The maximum subsidence is 8m. There are 20 subsidence basins.
     阜新市沉陷区面积达101.38km2,最大沉陷量8m,有20个下沉盆地,涉及人口78486人。
短句来源
     When the dip angle of coal seam is between 55° to 75°, the ground subsidence presents a wave distribution, and two relatively maximum subsidence values appear.
     当 55°<α<75°时 ,地表沉陷曲线呈波浪形分布 ,出现两个下沉值相对最大的点 .
短句来源
     It is clear that its urban subsidence has been subsiding for past ten years, maximum subsidence value is 147 mm, and the area, that is subsidence value >60 mm, has reached 80 km 2.
     结果表明 :济宁市城区地面沉降明显 ,相对于 1 992年最大沉降量为 1 4 7mm ,沉降量大于 60mm的面积已达 80km2 。
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  maximum subsidence
The center of maximum subsidence shifted along the graben axis from south to north during geologic times.
      
Semi-empirical method for calculation of maximum subsidence in coal mines
      
These graphs and tables could be used to estimate the maximum subsidence, tilt and horizontal strain at any chosen sub-surface horizon associated with the extraction of a subcritical panel from the known corresponding maximum values at the surface.
      
Cracks occurred in both exposed bedrock and regolith in an area with maximum subsidence of 3 m.
      
The study area is located east of the axis of maximum subsidence and is thus in a favourable position to record competing effects of eustasy, sediment supply and thrust-load induced subsidence.
      
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Some principles on evaluating parameters are discussion for the influence function method. It shows , that the subsidence factory must be decided before evaluating the others when the subsidence through is not normally distributed. The different meaning and usage of the maximum subsidence angle are compared with that of the influence transmitting angle. A method of evaluating the influence transmitting angle is introducedin this paper

本文分析了“概率积分法”求参数的若干原则,指出当实际下沉盆地不符合正态分布时,应在曲线拟合求参数前,事先确定下沉系数q值。文章比较了最大下沉角和影响传播角的不同定义及使用方法,並提出了解算影响传播角的方法。

The authors found out that by applying "random point method",displacement deformation parameters can be obtained, not only when a half of surveying line is available, but also when the end points and the maximum subsidence point of the surveying line is available. It can be used in 2D and 3D deformation calculation. It was found that the number of measuring points of the surveying station could be reduced properly. The pick in the incomplete has explored.

残缺不全观测站,用“任意点法”分析,不仅半条观测线可以求出参数,就连仅有最大下沉点及边缘点的观测线也能求得应有参数,并能进行二、三维变形计算,发掘了残缺中的精华。进而发现观测站测点可适当减少。

Based on theory of composite rock beam, a function and a formula for stratification plane gliding was deducted. And the rules of gliding are found as the following: ① when the elastic modulus is given, the gliding interval increases with the increase of major radius of influence, r and reduce of maximum surface subsidence ;② when r and maximum subsidence is given, the gliding interval reduces with the increase of elastic modulus; ③ the gliding interval increases with the increase of anti-gliding force....

Based on theory of composite rock beam, a function and a formula for stratification plane gliding was deducted. And the rules of gliding are found as the following: ① when the elastic modulus is given, the gliding interval increases with the increase of major radius of influence, r and reduce of maximum surface subsidence ;② when r and maximum subsidence is given, the gliding interval reduces with the increase of elastic modulus; ③ the gliding interval increases with the increase of anti-gliding force. The relations are studied between amount and extent of gliding and mining height, elastic modulus, major influencing radius as well as location of the mined out area. The formula and rules are proved to be correct based on the measured data from a model built with equivalent materials.

根据复合岩梁理论,推出了开采沉陷中层面滑移函数和层面滑移判断式。获得了层面滑移规律:即当弹性模量一定时,随主要影响半径r的增大和最大下沉值减小,滑移间距增大;当r和最大下沉值一定时,随着弹性模量的增加,滑移间距减小;随层面抗滑力的增加,滑移间距增大。研究了层面滑移量、滑移范围与采厚、弹性模量、主要影响半径及采空区位置的关系。结合相似材料模型观测结果,证明了所给公式和规律的正确性。

 
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