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水稳性
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  water stability
    The results show that the porosities of ZZLS material are available to facilitate vegetation. The hydration of cement increases the strength and water stability of the aggregate of the material.
    结果表明,ZZLS材料的多孔结构有利于植被生长,水泥水化物是提高材料强度和团聚体水稳性的主要因素。
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  相似匹配句对
    WATER CYLINDER
    柱体
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    Water Space
    空间
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    The results show that the porosities of ZZLS material are available to facilitate vegetation. The hydration of cement increases the strength and water stability of the aggregate of the material.
    结果表明,ZZLS材料的多孔结构有利于植被生长,化物是提高材料强度和团聚体稳性的主要因素。
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  water stability
It was found that agricultural use affected the main physical properties of the soils: the bulk density and the water stability of the aggregates.
      
The soil is more compacted on a slope with a gradient of 1-3 degrees, and a decreased water stability of the aggregates is observed on a slope with a gradient of 3-5 degrees.
      
The soil structure and the water stability of the soil aggregates in the upper 30-cm-deep layer have improved.
      
Their density increases, the structure is disturbed, and the water stability of the aggregates becomes poorer.
      
Phosphogypsum applied alone causes a deterioration of the agrophysical properties as it produces an extremely high water stability of aggregates and strong soil compaction.
      
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Consolidation of collapsible loess by alkaline solution is a different method from the existing methods of chemical stabilization of soil and its realization is dependent on the producing of colloidal matter from the solution. The principle of the present method lies upon the fact that the soil grains can be consolidated mutually by the reaction of the alkaline solution with the soil.This paper describes the theoretic principle of soil stabilization by the alkaline solution together with the results of experiments...

Consolidation of collapsible loess by alkaline solution is a different method from the existing methods of chemical stabilization of soil and its realization is dependent on the producing of colloidal matter from the solution. The principle of the present method lies upon the fact that the soil grains can be consolidated mutually by the reaction of the alkaline solution with the soil.This paper describes the theoretic principle of soil stabilization by the alkaline solution together with the results of experiments and experiences gained from actual practice, It has been shown that the main advantages of the given method are simplicity of construction,low cost, high strength and water tolerance of the stabilized soil.

NaOH溶液对土的加固作用不同于已有的化学加固方法,它不是依靠溶液中析出胶凝物质,而是这种溶液与土发生化学反应后使土颗粒能彼此自行胶结。 本文主要介绍碱液对土的加固机理及用这种方法加固湿陷性黄土地基的试验研究和实践结果。实践证明,碱液加固法具有施工简单、对土的加固强度高、水稳性好和费用低等优点。

This paper presents the experimental study for the physical-mechanicalchemical behaviour of the mud stone for one open pit coal mine. The experimental results indicate that large amount water affinity and colloid material are contained in the mud stone. It is find out that the mud stone under investigation has loose structure and high degree of saturation. The relation between the number of dynamical loading cycle and the strength, deformation of mud stone is obtained through the dynamical triaxial shear tests....

This paper presents the experimental study for the physical-mechanicalchemical behaviour of the mud stone for one open pit coal mine. The experimental results indicate that large amount water affinity and colloid material are contained in the mud stone. It is find out that the mud stone under investigation has loose structure and high degree of saturation. The relation between the number of dynamical loading cycle and the strength, deformation of mud stone is obtained through the dynamical triaxial shear tests. The failure mechanism under different confine stress and the relation between the moisture content and the strength of the mud stone are also investigated. Finally, the displacement under wheel points and the deformation and non-homogenous road base under different loading by finit element analysis are given in this paper.

本文对某大型露天煤矿一坑道泥岩的物理力学和物理化学特性的试验研究进行了全面的介绍。试验结果表明泥岩中含有的大量亲水性粘土矿物和少量的水稳性胶结物质及其较松弛的结构和高的含水量是泥岩物理力学特性形成和演变的基本因素。本文给出了在动态荷载作用下泥岩的强度与重复荷载次数之间的关系,泥岩在不同围压条件下的破坏机理以及泥岩强度与含水量之间的关系。最后,通过有限元的分析计算得出了均质泥岩路基与非均质(层状)泥岩路基的变形与轮压下的位移值。

In this paper, portland cement and the stabilizers composed of the single additive or composite additive were used to stablize the soil with higher water content. The stabilized soil was studied by means of X ray diffraction and scanning electron microscropy. The results show that the compressive strength of soil with 48% or higher water content can be increased substantially by using the stabilizer composed of 83%(Wt) portland, 14% anhydrite and 3% sodium sulphate. The sulphate admixture can promote the reaction...

In this paper, portland cement and the stabilizers composed of the single additive or composite additive were used to stablize the soil with higher water content. The stabilized soil was studied by means of X ray diffraction and scanning electron microscropy. The results show that the compressive strength of soil with 48% or higher water content can be increased substantially by using the stabilizer composed of 83%(Wt) portland, 14% anhydrite and 3% sodium sulphate. The sulphate admixture can promote the reaction of the active alumina of soil with Ca(OH) 2 to form more aciculate AFt(3CaO·Al 2O 3·3CaSO4·32H 2O) crystal and increase greatly the strength and water stabilizing property of stabilized soil. The main reason for the sulphate admixture to increase the strength of stabilized soil is that the additive promotes the formation of more AF t.

采用水泥、单一外加剂和复合外加剂对高含水粘土进行固化试验,并运用X射线衍射和扫描电子显微照相等对加固土进行了分析。研究结果表明,当土壤含水量较高(48%左右)时,在水泥中掺14%的石膏及3%的硫酸钠,能大幅度提高固化土的强度;在硫酸盐外加剂的作用下,粘土中的活性氧化铝与Ca(OH)2反应生成针状的钙矾石晶体,从而使土团与水化产物相互联接,大大提高稳定土的强度和水稳性;较多的钙矾石晶体的形成是硫酸盐外加剂能大幅度提高固化土强度的主要原因。

 
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