soft rocks是什么意思

用法例句

Froming the angle of the highway engineering,the distribution of extremely soft rock in China and its influences on highway construction are studied.

从公路工程的角度出发,研究中国极软岩石的分布及对公路建设的影响。

Research of support technology on mining softrock roadway;

煤矿软岩巷道支护技术研究

Support design and construction technology of roadway conjunction with large span in softrock;

软岩大断面交岔点支护与施工技术

Design and implementation of Web GIS for coal mining softrock;

基于Web的煤炭软岩矿井地理信息系统框架的研制

The feasibility analysis of wa-dong coalmine under the conditions of soft rock and villages;

洼东煤矿软岩条件下村庄下采煤的可行性分析

Failure analysis and countermeasure of bolt shotcrete support for soft rock roadway;

软岩巷道锚喷支护破坏分析与对策

Practice of second support theory applied to deep mine soft rock section chamber support;

二次支护原理在深井软岩硐室支护中的实践

With the application of numerical simulation software FLAC2D,this paper has simulated the deformation and failure regularity of surrounding rocks with bolt support for soft rocks roadway,and also analyzed the surrounding stress,displacement and plastic zone accordingly.

采用数值模拟软件FLAC2D,对软岩巷道锚杆支护后围岩变形和破坏规律进行了数值模拟,并分析了支护后围岩的应力、位移及塑性区的变化情况。

By studying method of numerical Mechanics,the volumetric dilatation of soft rocks around the tunnels is analyzed.

针对软岩巷道的特点,利用泥灰岩三轴试验结果,分析了膨胀特性对深井软岩巷道围岩稳定性的影响;利用最新的弹塑性理论研究成果,推导出了膨胀角与围岩变形的直接关系式;采用数值力学的研究方法,分析了软岩巷道周围体积膨胀与扩容现象。

Based on the research of classification and features of some typical soft rocks in a certain major project in Guangdong province,the authors design a series of tests for the interaction between soft rocks and water.

针对广东地区重大工程中几种典型软岩的基本类型和特点,设计了一系列软岩饱水软化试验。

The confirmation of disposal-parameters of bolting and serosity-parameter of injection-grouting of bolting-grouting reinforcement in soft-rock;

软岩条件下锚注加固锚杆布置参数与注浆浆液参数的确定

The groundwater is developed in part of a tunnel under construction,which lies in high initial geostress area,and is easy to suffer soft-rock large deformation.

修建中的某隧道位于高地应力区,局部地段地下水发育,易产生软岩大变形。

In light of smooth blasting technologies currently available in China and tunnel construction practices,the author has carried out experimental study of smooth blasting in a deep narrow-bore soft-rock pilot tunnel that is located in Baozhen on the railway line between Yichang and Wanzhou with the purpose of providing technical support for similar blasing projects.

根据我国有关光面爆破研究技术,从铁路隧道施工实践出发,对在建的宜万铁路堡镇隧道小断面深埋软岩Ⅱ线平导的光面爆破进行相关试验研究。

Nonlinear creep model and stability analysis of weak rock;

软岩的非线性蠕变模型及其稳定性分析

Numerical simulation on the S-shape stress-strain curve for weak rock;

软岩S形应力-应变曲线的数值模拟

Analysis of methods to determine the natural foundation s bearing capacity in weak rock under Nanjing area;

南京地区软岩承载力确定方法的探讨