1) stratified alluvium
层状冲积层
2) sheetwash
片状冲积层
3) stratified alluvium
成层冲积层
4) layer intrusion
层状堆积层
5) alluvium
[英][ə'lu:viəm] [美][ə'luvɪəm]
冲积层
1.
Research results are as following:the shaft lining is vertically compressed during dewatering aquifer in alluvium,and relative tensile strain is caused by Poisson′s effect.
为掌握冲积层疏排水及注浆加固地层过程中井壁的变形规律,开展井壁变形实测研究,获得如下规律:在冲积层疏排水过程中,井壁竖向受压,竖向压应变随疏水层水压下降而增大,与此同时井壁环向因泊松效应产生相对拉应变;相对于每次注浆前的初始状态,在注浆过程中井壁内缘有两个水平切向受拉区和两个水平切向受压区,受拉区或受压区的圆心角为90°左右,距注浆点最近和最远的两个区域受拉;注浆使井筒周围土层抬升,使井壁在竖向相对受拉,缓释了井壁内的压应力。
2.
The simulation tests were carried out to study the variation of the vertical additional force acted on shaft lining by surrounding soils during dewatering of alluvium by means of multi-function rig in vertical shaft.
利用大型竖井模拟试验台,对冲积层疏排水过程中立井井壁受到的竖直附加力的变化规律开展了模拟试验研究。
3.
The burying characteristic of alluvium in Zhaogu No.
对赵固一矿冲积层埋藏特点进行了分析,采用理论与实践相结合的分析方法,对设计基本参数进行优化,并按强度条件和变形条件设计了冻结壁厚度、安全掘进段高度、冻结孔布置方式和深度。
6) thin alluvium
薄冲积层
1.
Laplace function method of analysis for ground movements due to mining of phosphate body under thin alluvium;
薄冲积层下磷矿开采地表移动分析的Laplace函数方法
补充资料：层层加码
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