软岩（soft rock）是一种特定环境下的具有显著塑性变形的复杂岩石力学介质。根据软岩特性的差异及产生显著塑性变形的机理，软岩可分为4大类，即膨胀性软岩、高应力软岩、节理化软岩和复合型软岩。
软岩层 incompetent bed
软岩石 soft rocks ; hazardous rock
软岩巷道 soft rock roadway ; Soft rock drift ; mine soft rock roadway
松软岩石 crumbly rock
软岩钻机 soft-rock drill
软岩支护 soft rock support ; control of roadway ; Roadway ; roadway control
红层软岩 red-bed soft rock ; red-layered soft rock
复合型软岩 compound soft rock
These advantages make the ecological protected slope in red beds soft rock prevent soil erosion and surface weathering effectively.
这些优点使生态防护后的红层软岩边坡能有效防止表层风化剥落和水土流失灾害。
参考来源 - 红层软岩开挖边坡致灾机理及防治技术研究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。
参考来源 - 软岩巷道锚注支护机理分析及工程应用So study on failure law and support technique of stratified and weak rock roof, and to logically design project about reinforcing roof ,which have very important theoretical signification and engineering application value.
因此,对煤巷层状软岩顶板变形破坏规律进行进一步分析研究,并对加固顶板的方案进行合理设计,具有非常重要的理论意义及工程应用价值。
参考来源 - 煤巷层状软岩顶板破坏规律及支护研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文主要研究温度对软岩蠕变特性的影响。
The author studies mainly on effect of temperature to creep of soft rock this paper.
首先，本文对沙坡头坝基软岩的物理力学特性进行了详细的分析。
Firstly, the physical and mechanical properties of Shapotou soft rock are detailedly analysed in this paper.
指出坡高、坡比和风化层厚度是硬土软岩边坡稳定性的主要影响因素。
Pointed out the slope high the ratio of slope and the weathering depth is the hard soil and soft rock side slope stable major effect factor.
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