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.
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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.
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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.
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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.
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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.
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结论表明软岩流变性对隧道稳定性的影响显著.
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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.
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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.
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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.
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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.
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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.
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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.
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通过以锚注为核心,预应力锚索和锚杆为辅助支护结构的三锚联合支护技术,结合控顶放压技术和底臌控制技术解决了深部软岩巷道的稳定性控制问题。
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This is because of formed by soft-hard rock strata combined under tectonic stress action.
这种结果是由软硬相同的岩层组合在构造应力作用下形成的.
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采用该方法,分离软基岩场地联合效应和非弹性衰减的影响,并把二者分别确定出来。
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