rock layer

Therefore, matting some thickness crushed rock layer under the bottom of cap and compact properly may enhance greatly the bearing capacity.

因此，在承台底面下铺垫一定厚度的碎石层并经适当碾压，可大大提高承台的分担作用。

Finite element method is adopted to calculate and analyze the deformation and failure mechanisms and the rock-layer reverse cause.

采用弹塑性有限元法分析该类滑坡的变形破坏力学机制和反翘成因。

Apply to percussion & rotation rock bit to drill in soft rock layer and hard rock layer, or core bit for geological exploration use.

适用于冲击回转钻进软岩层，坚硬煤层，地质勘探用岩心钻头。

Ore bodies are structurally controlled by faults, fracture zone and rock layer interface.

控制矿体的构造主要有断裂、破碎带、岩层界面；

It is clear that continued compression on a rock layer may result in a fault.

很清楚，岩层所承受的持续压力会引起断层。

bit, use in geological exploration and coal mining on soft rock layer and medium-hard rock layer.

适用于软岩层，中硬岩层地质勘探，煤矿采掘的小规格的冲击钻地球齿。

There are clay in upper tertiary system and loose soil in quaternary, in the basin. weathering marlite and gravelly soil is the rock layer.

盆地内部主要发育上第三系粘土岩以及第四系松散土类，主要持力层为风化泥灰岩和砾石类土层。

When the rock layer has small deformation, loss decreases, and the change range becomes small before falling.

当岩层开始有小的变形时，损耗减小，此后变化幅度变小，至垮落。

In this paper, with bending loss of optical fiber, deformation of rock layer can be monitored.

在本论文中，首先根据光纤的弯曲损耗原理监测岩层的变形。

About 60 million years ago, sedimentation in ancient lakes and streams formed the underlying rock layer.

大约60万年前，沉积在古老的湖泊和河流的基本形成岩石层。

On critical length of flexural slumping rock layer in layered rocky slope and its influencing factors

顺倾边坡岩层滑移弯曲临界长度及其影响因素分析

Study on correlation between stability of consequent rock slope and obliquity of rock layer by simulation experiment

岩层倾角影响顺层岩石边坡稳定性的模型试验研究

Side-line controlled blasting technique of rock-layer protection method with large-diametre embedded piles

大直径嵌固桩护层法边线控制爆破技术

Test of New Double-tube High-pressure Revolving Sprinkler Utilized in the Backfilling Rock Layer

新二管法高压旋喷在回填块石地层中的试验

Prediction Approaches About Subsidence of Rock Layer and Ground Surface in a Mine

矿山岩层与地表沉陷的预测方法

Prospecting possibility with electric method for thin water-bearing rock layer upper the coal layers

煤层上覆地层含水不均匀性电法探测的可能性

Fractured-rock layer thickness of highway embankment in permafrost regions

多年冻土区公路路堤碎石层厚度的计算

Blasting Construction on Rock Layer of Freezing Conglomerate Rock

冻结砾岩层光面爆破施工

Application of Built-up Arch Principle to Anchor Guniting Prop in Soft Rock Layer

组合拱理论在软岩锚喷网支护设计中的应用

A Technique of Forming Dent into Rock Layer for Underground Diaphram Wall

深圳地铁福民站地下连续墙入岩成槽技术