soft rock

It is very difficult to support the coalmine soft-rock tunnel.

煤矿软岩巷道是很难支护的巷道,其支护问题一直困扰着煤矿的生产和建设.

Presents the method of supporting soft rock drifts by releasing pressure with a guided roadway.

介绍了导巷卸压支护软岩巷道的方法.

Conclusion shows that the rheological characteristics of soft rock is a marked factor to tunnel stability.

结论表明软岩流变性对隧道稳定性的影响显著.

The construction method of large airbridge in soft rock is presented in this paper.

阐述了软岩中大断面风桥的施工方法.

The characteristic of the white-sand rock is between the hard soil and soft rock.

白砂岩的性状是介于硬土与软岩之间,被扰动后呈松散状.

The extreme soft rock laneway have the characteristic of continuous plastical deformation destroying.

极软岩巷道具有持续塑性变形破坏工程特征,单一支护方式难以控制.

Support must be satisfied with the large and nonlinear deformation of high stress soft rock.

高应力软岩巷道属非线性大变形问题,巷道支护必须满足其变形要求.

Deep grooves channelled the soft rock.

在软岩石上形成许多深槽.

The effect of soil and soft rock slope vegetation engineering is described.

论述了土质、软岩边坡植被工程的作用.

In fact, disintegration is a process of soft rock's dehydration, absorbing water and expansion.

崩解、泥化实际上是岩体失水—吸水—膨胀的过程, 水在这个过程中起着关键性的作用.

This will provide the theroy basis for optimizing design of the pile socketed in soft rock.

为软岩嵌岩桩的优化设计提供必要的理论依据.

The burst of soft rock is studied by program ANSYS.

ANSYS程序分析了权台煤矿软岩冲击矿压.

The technology of bolt-grouting support is a new kind of supporting technique in soft rock tunnels.

锚注支护技术是一种软岩支护新技术.

It is easily collapsed for shallow and unsymmetrical large-span tunnel near portal in soft rock.

软岩地区浅埋偏压大 跨度 隧道进口段极易塌方.

This paper introduces the application about anchor cable jetting combined supporting in broken soft rock drift.

重点介绍了锚索喷注联合支护在碎胀软岩巷道掘进中的应用.