subgrade surface

dynamic stress is distributed as saddle along the lateral direction of subgrade surface. dynamic stress along the depth declines sharply.

路基面动应力在横向呈马鞍分布，动应力沿深度方向衰减较快。

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technique of controlled rock blasting for widening subgrade surface in deep cutting on electrified double line railway

电气化复线深路堑拓宽石方控爆技术

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research on revised subgrade surface deflection with beckman beam

贝克曼梁测试路基表面弯沉修正研究

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application of lime-soil on subgrade surface layer in shuozhou-huangnuagang railway

石灰改良土在朔黄铁路基床表层的应用

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According to the actual sliding surface from laboratory study, this paper develops a new formula for calculating the stability factor of veneer cover soil of variational thickness on the side slope of expansive soil subgrade. And some conclusions are also presented

按实验所得滑动面位置，推导出计算膨胀土路基边坡等厚式封面土层稳定性系数的公式，并得出一些结论

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Subgrade bearing stiffness not less than 60MPa/ m, the existing bed surface to a base foundation coefficient 190MPa/ m, the base-bed ground floor foundation coefficient 110MPa/ m of the embankment supporting stiffness is more reasonable.

路基支承刚度不应小于60MPa/m，现有的以基床表层地基系数190MPa/m、基床底层地基系数110MPa/m的路基支承刚度是比较合理的。

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width of the subgrade surface; formation width

路基面宽度

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Subgrade and foundation engineering is a kind of concealed work, which is located under the ground surface.

地基与基础位于地面以下，属于隐蔽工程。

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Subgrade and foundation engineering is a kind of concealed work, which is located under the surface.

地基与基础位于地面以下, 属于隐蔽工程.

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