土干

水泥改性膨胀土干密度与自由膨胀率试验研究

Experimental Study on Dry Density and Free Swelling Ratio of Cement-Treated Expansive Soil

加筋土干垒块挡土墙内部稳定的计算与施工有其特殊性。

And it has its own particularity in the internal stability calculation and construction .

分析了粉土干密度和细粒含量对饱和粉土抗液化强度的影响；

The liquefaction resistance affected by fines content and dry density of silt was analyzed .

加筋土干垒块挡土墙是西方比较流行的一种挡土墙结构形式，与传统的钢筋混凝土或浆砌片石挡土墙相比，其外形美观、施工便捷且可降低整体造价。

Reinforced segmental retaining wall , a wall structure popular in western countries , is of good appearance , easy construction and low cost in comparison with the traditional RC or stone retaining wall .

本文对基底型颗粒材料中超径颗粒含量、颗粒粒径、基底土干容重以及试验围压4个因素对其力学特性的影响进行了大量的室内三轴试验，获得了各影响因素的定量参数。

A series of triaxial tests have been conducted to study the effect of coarse grain percentage and size , dry density of based soil and confining pressure on the mechanical properties of " based-type " granular materials .

建立了ISS加固土最大干密度与闷料时间、ISS石灰加固土强度与压实度的关系式。

The relation between the maximum dry density and the enclosing material time period , as well as that between the strength and the compaction degree of the strengthening soil was finally established .

超径粗颗粒土最大干密度的确定方法

Method for Determining Maximum Dry Density of Oversize Coarse-grained Soil

膨润土对干电池溶液中重金属离子的吸附作用

The Adsorption of Heavy Metallic Ions by Bentonite in the Battery Solution

分段法确定无粘性超粒径粗粒土最大干密度

Confirming the maximum dry density of oversized coarse grained soil by using subsection method

土太干了，不能种东西。

The soil is too dry for planting .

路基土最大干密度和最佳含水量的数值分析方法

The Numerical Analysis Method of Maximum Subgrade Soil 's Dry Density and Optimum Water Content

应用γ射线测量三轴试验土样干密度和含水量

Measurement of dry density and water content of soil samples in triaxial tests with γ - ray

黄河三角洲粉质土初始干密度和黏粒含量对稳态强度的影响研究

Influence of initial dry density and clay content on steady state strength of silty soil in Yellow River Delta

直达波法采用叩板法来激发剪切波，这样根据测得的剪切波波速只能求出路基表层土的干密度。

With The direct wave method we only can work out the dry density of the topsoil of subgrade .

干缩试验结果表明：随着失水率的增加，二灰稳定土的干缩系数先增大后减小。

Dry-shrink tests show that the dry-shrink coefficient firstly increases , then decreases with the increment of the increment of the water loss rate .

试验得出了蒙自膨胀土不同干密度条件下含水量与线缩率的定量关系，对工程实践有一定的参考价值。

The quantitative relationship between water content and linear shrinkage ratio is gained under different dry density for Mengzi expansive soil , which has great value to engineering practice .

提出利用瞬态瑞雷面波频散特性、瞬态瑞雷波传播速度与路基土的干密度的关系，进行公路路基土的压实度的无损检测。

A no-damage inspecting way to subgrade compression ration according to the property of frequency spread and the relations between the propagation velocity of Rayleigh Wave and the subgrade dry density .

结果表明，用矿渣和粉煤灰取代部分水泥，随后又增加粉煤灰的比例，可以连续降低固化土的干缩应变和干缩系数。

It was shown that dry shrinkage and shrinkage coefficient of specimens decreased if partial cement was replaced by fly ash and slag , and then further by more fly ash .

运用数理统计分析、数学建模及计算机优化方法，建立了在湿土和干土两种条件下的影响因素与甘蔗破头率之间的数学模型；

Then , by means of the statistical analysis , mathematical model establishment and computer optimization technique to establish the mathematical model between affecting factors and the rate of broken sugarcane .

通过室内与现场对比试验，分析石灰土最大干密度随龄期衰减机理及环境因素对石灰土衰减的影响，对其施工及压实质量控制提供依据。

Through the interior and on-site comparison testing , analysis of limestone soil maximum dry density with age and attenuation mechanism of environmental factors on the limestone soil attenuation of the impact of its construction and provide the basis for compaction quality control .

在湿土和干土综合条件下，对影响因素进行优化，结果使甘蔗破头率降至8.18%以下。

The relatively optimized value of the affecting factors was carried out in wet and dry earth each condition , and the synthesized optimized value in both wet and dry earth . The result makes the rate of broken sugarcane drop to 8.18 % below .

结果表明ISS加固土的最大干密度随闷料时间的增长而增大，从而可以增大其承载力；加固土含水量对干密度的影响因固化剂而异。

The analytical results indicate that the maximum dry density of ISS strengthening soil increases with the enclosing material time periods , which causes the improvement of bearing capacity , while the effect of the water content of strengthening soil on dry density varies with soil consolidation agent .

当硫磺的施用量为0.2g/kg干土和0.4g/kg干土时，可使小白菜体内的硝酸盐含量分别比对照降低41.6%和47.4%。

When the elemental sulphur was applied at rate of 0.2 and 0.4 g / kg soil , NO ~ - _3-N content in Brassica chinensis was decreased by 41.6 % and 47.4 % , respectively , compared with check plot .

粗粒土的最大干密度理论计算方法研究

Theoretical Computing Method of Maximum Dry Density of Coarse-grained Soil

软土地区大型干坞边坡变形规律离心模型试验及实测研究

Research on deformation distribution law of slope in Large dry-dock by geotechnical centrifuge model test and prototype observation

目前现场一般采用未加固土的最大干密度和最优含水率来评价加固土的压实施工质量。

Most often , dry density and water content are measured in the field for the quality control purposes .

研究表明：重塑土的最大干密度比原状土的最大干密度大，而重塑土的最优含水率则比原状土的最优含水率小；

The studies show that the maximum dry density of remolded red clay is generally greater than that of undisturbed red clay ;

阐述了在沼泽地修筑堤防的施工方法；重点介绍了土料的干密度控制措施。

The paper briefly discusses the method of building dikes in marshland and especially the control measures of the dry density of soil .

硫酸（亚硫酸）盐渍土不同土干密度和硫酸钠含量盐-冻胀力规律试验研究

The study for Sulfate ( sulfite ) saline soil in different soil dry density and the law between Salt and sodium content and frost heave force

对粗砂土填料、干砂土地基、湿陷性黄土地基、软土地基、砂性土、粘土填料地基、山区非均匀回填土石混填料、石料地基的冲击压实加固效果给予充分肯定；

A positive assessment to the strengthening effect to gritty soil , dry sand soil , collapsible loess , soft soil , cohesionless soil , clay filler , inhomogeneous backfill and stone filler in mountain area was also given .