Analysis of surface displacement by mining below thick alluvia

1、

In this paper, the theories of elastic plastic mechanics and the finite deformation geometry are applied to study the question of surface displacement mechanism and displacement computation by mining below thick alluvia. It has an important guidance for controlling coal mining damage.

本文应用弹塑性力学理论及有限力学变形理论，研究了厚冲积层下开采地表移动的机理与移动量计算问题，对有效地控制地下开采损害具有重大指导作用。

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2、

Study on the Conditions of Strata Movement along Weak Planes and Its Direction in Alluvia

沿接触面滑动的条件及冲积层中移动传播方向

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3、

The result of analysing 67 samples of alluvial deposit Soil from Yangtze river showed: 1.Available sulfur content of soil was getting lower and lower from Wuwei county to Susong county.

对长江冲积土壤硫进行了分析，结果表明：1.从无为县开始沿江而上至宿松县，长江冲积土壤有效S有减少的趋势。

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4、

But, for those who study the tongue as it should be studied, that is to say, as geologists study the earth, slang appears like a veritable alluvial deposit.

但是，对那些以应有的严肃态度？也就是说象地质学家研究地球那样？研究语言的人来说，黑话却真象一片真正的冲积土。

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5、

Gravely soil with clay-limestone subsoil. Seismic Response Analysis of an Earth-rockfill Dam on Thick Loess Alluvial Deposit

以黏土与石灰岩为基土上覆厚实土壤层。深厚黄土覆盖层上土石坝地震响应特性分析

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6、

Among them, SOM content showed obvious scale effect from alluvial deposit, residual and e deposit of granite, et al.

河流冲积物、花岗岩残坡积物等母质上形成土壤的有机质含量尺度效应明显。

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7、

The alluvial deposit and coastal deposit follow normal distribution, they are straight lines in normal cumulative diagram.

而冲积和海岸沉积服从正态概率分布，其累积图表现为直线形；

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8、

Discussion about Alluvial Deposit Adopting High-strength Concrete Sidewall

冲积层冻结采用高强混凝土井壁的探讨

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9、

Interval optimum design of concrete faced rockfill dams on alluvial deposit foundation

覆盖层地基上面板堆石坝区间优化设计

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10、

Analysis on the factors affecting the flow of water under alluvial deposit

葛泉矿冲积层下采煤涌水量影响因素分析

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11、

A usually triangular alluvial deposit at the mouth of a river.

三角洲河口常见的三角形沉淀淤积地带。

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12、

The characteristics of percolation stability and measures for seepage control of dam foundations, which are the deep alluvion of the river valleys in Sichuan are described in detail in this paper.

本文详细论述了四川河谷深厚覆盖层建坝的渗透稳定特性及防渗措施。

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13、

Experimental Research on the Percolation Stability and the Measures for Seepage Control of Darn Foundations Which are the Deep Alluvion of the River Valleys in Sichuan

四川河谷深厚覆盖层建闸坝的渗透稳定特性及防渗措施试验研究

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14、

It can be distinguish from are alluvion fan, fan delta, lakes and lakeside swamp.

可识别出的沉积相类型有冲积扇、扇三角洲、滨湖沼泽及湖泊相。

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15、

Jet grouting with high pressure is of particular advantage to strengthening of the ground in thick alluvion and soft soil vulnerable to seismic damage.

对震害严重的厚冲积层或厚软土层，用高压喷射注浆法进行加固处理有其独特的优越性。

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16、

Conceive to Pressure Grouting Full Face Combined Tunnelers Applicable to Alluvion Geology

适用于冲积层地质的压灌式全断面综合掘进机构想

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17、

The desertification land distribute mainly in fluvial terrace and alluvion.

玛曲县沙化土地主要分布在沿黄河两岸的阶地带和冲积河滩。

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18、

The non-linear finite element analysis for stress-strain of homogeneous dam built in deep alluvion foundation

深厚覆盖层基础均质坝应力变形非线性有限元分析

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19、

Numerical Analysis and Model Tests during Construction of a Dam Foundation Built on the Deep Alluvion

深厚覆盖层坝基施工期模型试验及数值分析

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20、

Study on Alluvion and Erosion of Modern Yellow River Delta with Remote Sensing Data

现代黄河三角洲冲淤演变规律与遥感应用研究

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