weak rock mass 不良岩体
Weak Rock Creep 软岩蠕变
For Very Weak Rock 对于非常软弱岩石
piles embedded in weak rock 软岩桩基
red layered weak rock fillings 红层软岩土石混合填料体
weak-rock 软岩
char weak rock 炭质软岩
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Indicate: the change of temperature and pore press will produce certain influence to the stability of roadway, especially to weak rock.
表明:温度及孔隙压力的改变会对巷道的稳定性产生一定的影响,特别是对于软弱岩体。
参考来源 - 深部高应力巷道围岩稳定性数值模拟研究·2,447,543篇论文数据，部分数据来源于NoteExpress
For example, relatively soft material, such as soil, gravel, loose or weak rock, can be removed by digging.
例如，像土壤、砾石和松石那样的松软剥离物，可挖掘剥离。
The principle of a new static loading test method for weak rock masses, a method of borehole elastic modulus gauge, is described.
介绍了在软弱岩体中静荷载测试中钻孔弹模计法的原理和方法，并将该法运用到现场，得到了软弱岩体的压力变形的两种特殊形式。
Indicate: the change of temperature and pore press will produce certain influence to the stability of roadway, especially to weak rock.
表明：温度及孔隙压力的改变会对巷道的稳定性产生一定的影响，特别是对于软弱岩体。
应用推荐