细砂层 meaning in English
fine sand layer
Examples
- The water become groundwater and form dynamic system . under the control of hydrological an geological condition , groundwater which is replenished by wat
因此，研究粉细砂层的取水方法，已成为解决黄泛平原区工农业供水的关键问题。 - Beneath the relic sand of the outer shelf there is high grade of valuable heavy mineral sand ( for example ilmenite ) reaching the ii anomaly order of marine placers and it is of potential resource prospects
通过碎屑矿物判断，原岩应是中酸性岩浆岩和浅变质岩类。钛铁矿等有用矿物在细砂层位中出现较厚的砂矿异常，显示一定的浅海砂矿资源潜力。 - Abstract : in this paper , the efficient stress method is used as main means , while the railway engineering anti - earthquake design specification and the dynamic triaxial test are used as additional means . the authors analyze the ground layer liquefaction of shield tunnelling built on powder soil or fine sand , whose top plate is buried under two kinds of depth , and conclude that the liquefaction area is different with different buried depth . finally , the rational buried depth is proposed
文摘:以有效应力原理的有限元计算分析为主、铁路工程抗震设计规范及室内动三轴实验为辅，对修建在粉土或粉细砂层中的盾构隧道进行了两种不同埋深情况下的液化分析，得出了埋深不同液化区出现区域不同的结论，并提出隧道抗液化的合理埋深。 - This paper presents an example of construction project in which the settlement of shallow foundation and the settlement difference between the multi - storey building and the podium on loose fine soil and reduced with methods of treatment of soil , adjustment of founda - tion stiffness and control of time difference in construction
本文结合工程实例讨论了在松散细砂层天然地基上如何通过地基处理，调整基础刚度，控制施工时差来达到减少浅基础的沉降及多层主楼与单层裙房的沉降差的方法。 - Five floating roof oil tanks with volume 2 104m3 are designed to be constructed at shuguang pump station possessed by liaohe oil field , which is located at liaohe delta alluvial plain . this engineering filed is featured with complicated topography . the oil tank foundation soil is horizontally - layered , including four layers : medium dense - dense clay , interbedding of find sand and clay , fine sand sandwiching clay and fine sand
位于辽河三角洲冲积平原的辽河油田曙光泵站计划增建5座2 10 ~ 4m ~ 3浮顶式储油罐，场区地形复杂，油罐地基土层分布均匀水平，从上之下主要由中密粉土层、粉细砂与粘土互层、粉细砂夹粘土层和细砂层等4层组成。