Considering the features of the construction of this line specific requirements are specified in the filling such as filling with fine earth, coarse mountain surface soil and graded crushed stones.
结合秦沈线施工特点，具体指出路基采用细粒土、粗粒山皮土和级配碎石几种具有代表性填料进行填筑的技术要求。
Research results showed as follows: magnetic energy can make the soil specific surface reduce, permeability coefficient and fast netrogen of soil increase;
研究结果表明，在磁场作用下，土壤比表面减小，渗透系数增加；
This paper reviews the applications of fractals in research of physical properties of soil:(1)fractals have been used to describe physical parameters of soil such as density and specific surface area;
本文从两个方面介绍了土体物理性质的分形研究：（1）分形用于定量描述土体的的密度，孔隙表面积等物理参数；
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