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- Grouting- reconstruction Technology of Aquiferous Footwall Stratum in Coal Mine 矿井煤层底板含水层注浆改造技术
- Keywords Aquiferous footwall stratum;Grouting-reconstruction;Grouting parameters;Water inrush; 底板含水层;注浆改造;注浆参数;突水事故;
- Aquiferous footwall stratum 底板含水层
- Because of the influence of mining, the permeability of footwall strata varies obviously.Confined water from Ordovician limestone might inrush into gob region. 由于受采动的影响,煤层岩层的渗透能力会发生明显的变化,有时会导致承压水突入采空区。
- SEEPAGE STABILITY ANALYSIS OF FOOTWALL STRATA DURING COAL MINING 煤层开采过程中底板岩层渗流稳定性分析
- They represent each society stratum. 他们代表各个社会阶层。
- They do not constitute a separate class or stratum. 知识分子和青年学生并不是一个阶级或阶层。
- He hates the privileged stratum. 他憎恨特权阶层。
- This is a stratum we must win over. 这一阶层,我们是必须争取的。
- Tramps are from the lowest stratum of society. 流浪汉来自社会最下层。
- Is The Intermediate Stratum Forming in China? 中国的中间阶层正在形成?
- Modification of breather stratum about airslide. 空气输送斜槽透气层的改造。
- To form bends in(a stratum of rock. 地层褶曲(在地层的岩石上)形成弯曲
- The lower stratum divides again into Ds and Es. 下层又分成D级和E级。
- A vertical fault has neither a footwall nor a hanging wall. 具有直立断层面的断层既无上盘,也无下盘。
- Such inequalities are found in every stratum. 这类不公平的现象存在于社会的每一个阶层。
- To form bends in(a stratum of rock). 地层褶曲(在地层的岩石上)形成弯曲
- Stratum corneum means "horny layer". 角状的“层”组织即“角质层”。
- Tramps are in a low stratum of society. 流浪汉生活在社会的下层。
- As a result,the new scheme of sublevel caving with footwall drifts,is raised. 为此,提出自放顶、设回收进路的无底柱分段崩落法新方案,实施后成效显著。