砾石土

坡面松散砾石土侵蚀过程及其特征研究

Research on erosion process and features of loose gravelly soil slope

降雨作用下砾石土斜坡坡面形态及临界特性

Gravelly soil slope surface shape and criticality under rainfall conditions

卵砾石土路堑边坡防护滑塌处治的体会

The Treatment of Slide about Slope of Gravel Earth Depressed Road

蒋家沟流域松散砾石土斜坡滑坡频发原因与试验模拟

Cause of frequent occurrence of gravel slope landslide and experiment simulation

宽级配砾石土水力劈裂特性的研究

The property of hydraulic fracture of wide grading gravelly soil

砂砾石土料的压实特性土城里的陶艺

Compactibility of Grit Pottery Handicrafts the Earth City

石灰稳定均匀级配砾石土的路用性能试验研究

On the pavement performance test of stabilized uniformly - graded gravel soil with lime

砾石土路基填料的压实度动态检测方法

Dynamic test method of compactness of gravel soil

砾石土心墙料-反滤料联合抗渗研究进展

Progress in research on anti-permeability properties of gravelly soil core material and filter material

石灰砾石土在高速公路路基中的应用

The Discussion of the Application of the Lime and Boulder-soil in Expressway Roadbed Surface Engineering

砾石土宽级配土料在高坝应力状态下工程性质的研究

Research on Engineering Properties under High Dam Stress Condition of Wide Graded Gravel Soil Material

砂砾石土料的压实特性

Artificial soil . Compactibility of Grit

松散砾石土斜坡滑坡是在以降雨为主导因素的多种因素综合作用下发生的。

The gravel slope landslide is inspired by many factors of which the rainfall is the dominant .

多级配砾石土反滤层工作机理及设计方法的研究，国内外均刚开始。

It has just begun to study the mechanism and design method of broadly graded soil filter .

建立了蒋家沟砾石土强度与粗粒含量、粒径分布曲线特征指标值、含水率以及干密度的关系。

Found the relationship between direct-shear strength and coarse-content , characteristic index of grain distributed curve , wate-content and dry-density . 3 .

研究结果表明，对糯扎渡心墙砾石土料，由室内三轴试验和现场载荷试验得到的变形特性基本一致。

The study result indicates that the deformation properties of core clay from the triaxial tests are well agreed with those from the field loading tests .

阐述了瀑布沟水电站土坝施工用的砾石土条筛、振动筛及长距离皮带输送机等的技术特点和布置。

The technical characters and deployment of the belt screeners , shaking screeners and long-distance belt conveyors for earth dam construction of Pubugou Hydropower Station are described .

砾石土/砾质土的水分含量与砾石含量、砾石的来源、大小、孔隙度以及砾石在土壤中存在的位置有关；

The water contents in soils containing rock fragments are associated with origin , content , size , and porosity of rock fragments and its position in the soil profile .

然而，现场震害调查表明：饱和砂砾料在地震荷载作用下也会发生液化，大多数发生液化的砾石土中同时包含砂砾和砂土。

However , the results of field earthquake investigation have shown that saturated sand-gravel composites may occur liquefaction during earthquake , and most liquefied gravelly soils comprise both sand and gravel .

试验结果表明，砾石土斜坡在降雨过程中，坡面土体形态、坡面径流泥沙含量具有阶段性特性；

Result shows that the gravelly soil slope shape and sediment charge of the runoff has the character of phase , each representative phase moisture content is confine in some extent .

砾石土因其含砾、粉细砂和粘性土，具有级配宽、不均匀系数大、透水性强等特点，在土石坝防渗体土料和工程防渗墙中得到广泛应用。

Gravelly soils are made up of gravel , cobble , sand and cohesive soils . They have been widely used in engineering applications such as earth-rock dams impervious fillings and stub cutoff walls .

泥石流源区广泛分布着砾石土，从野外观察分析和理论计算可知，泥石流源区产流是由于土体强度降低的结果。

There is widely distributed gravelly soil in triggering area of debris flow . From the observation , analysis and calculation , it is found that triggering of debris flow results from soil strength reduction .

通过对风化土料力学性质、特别是强度特性的分析，说明风化土料属于砾石土范围，力学性质能满足填筑高土石坝的要求，是一种良好的筑坝材料。

Analysis of the mechanical properties , in particular the strength properties of the weathered materials shows that the weathered materials , whose mechanical properties satisfy the requirements for high embankment dams , belong to the type of gravel soil .

所经地区的地表多为较厚的腐殖土或落叶覆盖层，其保温性良好，下层0.5&4.0米多为风化沙砾、碎石土和砾石土，，4.0米以下为风化岩石。

The earth surface of the region across it is mostly thicker humus soil or leaf falling covering layer , and has good heat reserving property , it is mostly weathering shingle , soil-aggregate mixture , and clay-gravel 0.5m-4.0m under it , and weathering rock .

针对新疆很多地区干旱缺水、路基压实困难的现状，选择了3种典型土类（砾石土、风积沙、粉土）系统地进行了粒度分析、击实特性、动态特性、沉降特性等试验；

Considering the difficulty of subgrade compaction due to dry climate and water shortage , authors selected 3 types of soils , ie gravel earth , aeolian sand and silt , for systematical granular analysis and experiment of compaction feature , dynamic features and settlement features .

研究表明，当细料含量P<0.1大于25%时，宽级配砾石土可以满足大坝防渗要求；且宜按湿于最优含水量2%～3%填筑。

Results showed that gravelly soil will fulfill impermeability requirement when P_ < 0.1 of fine particle content > 25 % and the effect of impermeability will be more remarkable when filled with 2 % ~ 3 % on the wet side of optimum water content ;

岩性底层是由砾石，沙质土，粘土与黄土层组成。

The lithologic substratum is made of gravel , sand and clay with a layer of loess .

低山麓面和阶地面上的组成物质是红色砂、粘土砾石和红色土。

The low piedmont surface and the terrace are composed with red sand , clay gravel and red soil .

特别是位于西南、西北等地区的面板堆石坝大多建在砂土、砂砾石或碎石土等组成的深覆盖层地基上。

Especially in southwest and northwest and other regions , most of the water conservancy and hydropower projects are built on deep overburden foundation which composed of sand , gravel or crushed gravel .

基于大量的桩基静载荷试桩资料，本文分析了嵌岩桩及以砾石，粉土，粘土为持力层的大直径桩的荷载传递性状及侧阻与端阻的比例关系。

Bases on the mass field test data of large-diameter pile , The characteristics of the load transfer and the proportion of side resistance and end resistance of piles socketed in gravel , silt clay on soft soil foundation .