The paper carried out research on characteristics of grit with weak expanded clay from mineral composition, grain gradation, dilatability, compaction, permeability and strength.
针对燕山水库弱膨胀黏土质砂砾岩能否作为坝体填料这一问题,从矿物组成、颗粒级配、膨胀性、压实性、渗透性、强度等方面对其工程特性进行了研究。
Study of critical gradient of piping for various grain sizes in sandy gravels
砂砾土各级颗粒的管涌临界坡降研究
The earth dam of Houlonghe reservoir are built with gravelly coarse sand bed as dam base, and artificially filled in gravelly coarse sand as upstream and downstream sanded shell with loose structure, which cannot meet the needs of earthquake-resistance.
后龙河水库坝基为砾质粗砂层,上、下游砂壳为人工堆填的砾质粗砂,结构松散,多数不满足抗震要求。
Study of critical gradient of piping for various grain sizes in sandy gravels
砂砾土各级颗粒的管涌临界坡降研究
"Clay, silt, sand, and gravel. "
粘土，粉砂，砂土和砾石。
made of packed earth or gravel.
填满了泥土或砂砾的。
separate dirt or gravel from (precious minerals).
把泥土或砂砾从（宝贵矿物）中分离出来。
Detritus usually consists of gravel, sand and clay.
岩屑通常是由砂砾，沙和粘土组成的。
The components to be considered in this book include boulders, gravel, sand, silt and clay.
本书所考虑的组成部分包括漂砾，砾石，砂，粉土和粘土。
Safety monitoring results of a dam with clay core are presented.
介绍了某黏土心墙砂砾石坝的安全监测成果。
Suetion devices are inadequate in gravels or very porous soils.
吸水装置对砂砾或非常疏松的土壤是不适用的。
Analysis of engineering behavior of a dam with clay core
某黏土心墙砂砾石坝安全监测及工程性状分析
Reliability Analysis on Seepage Stability of Concrete Face Sand-Gravel Dam;
混凝土面板砂砾石坝渗透稳定的可靠性分析
The Application of the Compacted Gravel Pile in the Soft Ground Handling of Highway;
挤密砂砾桩在公路软土地基处理中的应用
Triaxial Tests Effect Study on Drilling and Pumped Sands of Gravelly Soil
砾质土钻孔灌砂工艺三轴试验效果研究
unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together.
冰河沉淀形成的不分层的土壤，由沙、粘土、砂砾和漂石混合而成。
Pebbles and gravel also insulate the soil to keep surface temperatures low and preserve water.
小石头、砂砾层也可用来做隔绝层，以保持水分，降低土壤的温度。
In-Situ Experimental Research on Soil Disturbance Characteristics during the Subway Shield Construction Process in the Grit & Pebble Stratum;
砂砾地层地铁盾构施工过程土体扰动特性的原位试验研究
Study on Dynamic Properties of Core Material and Dam-Foundation Fine Gravel of Earth-Rock Dam;
土石坝心墙料及坝基细砂砾料动力特性试验研究
Design and Application of Geo-technological Grid Compound Sand Cushion Layer to Widening Soft Road Bed;
土工格栅砂砾垫层在软弱地基路基加宽段的应用设计
Study of the effect of slurry trench on concrete cut-off wall in deep sand gravel layer
护壁泥浆对深厚砂砾石层混凝土防渗墙影响的研究