土层

The correlation function, correlation distance and irrelated distance are studied and the representative v.

以天津港大量现场勘察资料为基础，综合理论和实测数据建立起天津港地基土性剖面的随机场模型，统计出本地区典型土层的相关函数、相关距离及完全不相关距离值。

Based on the results of the large-size shaking table test of a subway station structure built in liquable site,considering the influence of the soil-structure nonlinear dynamic interaction by 2D finite element methods,the seismic responses of the soil- subway station structure system under different test conditions are analyzed by using ABAQUS software.

根据可液化土层上土-地铁车站结构动力相互作用大型振动台模型试验结果，以软件ABAQUS为平台，将地基土-地铁车站结构体系视为平面应变问题，采用记忆型嵌套面黏塑性动力本构模型模拟土体的动力特性，采用混凝土动塑性损伤模型模拟车站结构混凝土的动力特性，建立了土-地铁车站结构非线性动力相互作用的有限元分析模型，对各种试验工况下地基土-地铁车站结构体系的地震反应进行了数值模拟，并与试验结果进行了对比，结果表明：数值模拟与振动台模型试验结果基本一致，体现出了相似的规律性，相互印证了计算分析的力学建模和振动台试验结果的正确性。

The uplift of underground structures in liquefiable soil due to earthquake induced liquefaction may lead to severe damage.

位于饱和可液化土中的地下结构在地震激励下会由于土层液化而上浮，从而对结构造成严重破坏，设置截断墙是减少这种破坏的有效措施，在国外已经得到成功应用。

The uplift of underground structures in liquefiable soil due to earthquake induced liquefaction may lead to severe damage.

位于饱和可液化土中的地下结构在地震激励下会由于土层液化而上浮，从而对结构造成严重破坏，设置截断墙是减少这种破坏的有效措施，在国外己经得到成功应用。

Based on the background of metro construction in Nanjing city, a large-scale shaking table test is accomplished to model the dynamic soil-tunnel interaction with liquefiable soils included in site.

以南京地铁的建设背景为基础，对含有可液化土层的深厚软弱场地上双洞单轨的地铁区间隧道结构进行了大型振动台模型试验研究。

Some main researches can be concluded as the following: Shaking table model tests on the pile and the liquefied ground interaction wereimplemented to study the mechanism of the decline of the lateral bearing capacity of thepile in liquefiable ground under external loading.

主要工作如下：通过液化砂土与桩相互作用的振动台试验，研究了外部荷载作用下可液化土层中桩基水平承载特性衰化的机理。

There is representative meaning to researching the action of Cr and As in loessial soil.(3) By experiments the paper reveals purification mechanism and ability and its influencing factors of soil to Cr and As.

2分析了由于农事和水事活动所发生的土层入渗水中的污染元素，确定了毒性强、数量大、易迁移的铬、砷作为主要研究对象，研究其在黄土类土中的行为作用有代表性意义。

There is a significant difference in daily change of soil moisture content at depth of 5 cm between the areas with and without microbiotic crusts.

结皮覆盖区与无结皮覆盖区土壤水分的日变化特征明显不同于距地表5cm处，而其他各土层的变化趋势则较为一致。

The Ogallala Aquifer, one of the world's largest stores of groundwater, covers 225,000 square miles beneath parts of eight U.S.

奥加拉拉蓄水层是全球较大的地下水储层，面积225000平方公里，涵盖了美国德克萨斯州至南达科他州八个州的地下土层，是该国五分之一农田的灌溉源。

2 This lateral support is essential in order to minimize ovalization or deformation of the pipe under earth and traffic loads.

水平支撑对减少管道因负载土层和地面交通的负荷而扁平化或者变形来说非常重要。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。