煤柱煤 的英文怎麼說
中文拼音 [méizhùméi]
-
Stability analysis of coal pillar and reinforcement technology in north air shaft in dongpang mine
東龐礦北風井
煤柱穩定性分析及其加固技術
-
Safety measures of cutting along goaf and with thin pillar
窄
煤柱沿空掘巷的安全措施
-
Dimension design of coal pillar with weak plane in strip mining
條帶開采中含弱面的
煤柱尺寸設計
-
The study and apply of the coal pillar width parameter in along stull tunnel
沿空巷道
煤柱寬度參數的研究與應用
-
Numerical simulation research to the coal pillar leaving under different mining condition in air gate of lin huan coal mine
臨渙礦風巷不同采動條件
煤柱留設數值模擬研究
-
Practice of maximizing resource recovery of coal pillar
煤柱資源回收最大化實踐
-
Analysis of parameters of coal pillar in bulianta mine
補連塔井田區段
煤柱參數分析
-
Mining method under coal pillar in close distance coal seam
近距離
煤層
煤柱下的開采方法
-
Fold catastrophe model of rockburst in narrow coal pillar
狹窄
煤柱沖擊地壓的折迭突變模型
-
Determination for coal pillar size in comprehensive mining roadway
綜采巷道
煤柱尺寸的確定
-
Comprehensive control of a spontaneous combustion of coal pillar
一起
煤柱自燃火災的綜合治理
-
Numerical simulation of failure mechanism of slender coal pillars
細長窄
煤柱破壞機理的數值分析
-
Confirming coal pillar breadth between border upon working faces of
煤層相鄰采面間最佳
煤柱寬度的確定
-
Narrow coal pillar support technology used at isolated island workface
孤島工作面窄
煤柱錨桿支護技術探討
-
Coal pillar thrust
煤柱壓碎
-
Study on pillar ' s plastic zone based on elasto - visco - plastic theory
煤柱塑性區的彈粘塑性理論分析
-
The effect of overburden separation dynamic development under key stratum on grouting for bed separation space was analyzed, in order to deal with the problem that the current bed separation growing technology can not prevent the key stratum from breakage, put forward the isolated section - grouting technology for overburden bed separation space, integrated the virtue of growing for bed separation space and partial extraction, the bed separation grouting bodies, key stratum and isolated section pillars were made to constitute the load - carrying body all together, and to reach the purpose of reducing subsidence effectively, increase the coal seam extraction ratio, and accelerate the development of isolated section - growing technology for overburden bed separation space
摘要分析了關鍵層下離層動態發育對離層充填的影響,針對目前離層區充填工藝不能阻止覆巖關鍵層初次破斷的問題,提出了「覆巖離層分區隔離注漿充填」技術,它綜合離層充填與條帶開采技術的優點,通過離層區充填置換或減小分區隔離
煤柱寬度,使「離層區充填體關鍵層分區隔離
煤柱」形成共同承載體,從而達到有效減緩地面沉降的目的,提高了
煤層采出率,促進了覆巖離層充填減沉技術的發展。
-
According to the characteristic transformation of the eme in the process of its deformation, the stress concentration belt engendered by the coal wedge of the protective coat can be ascertained and the electromagnetic radiation measured result is consistence with the calculation result of the site survey materials
根據
煤體變形破裂過程中產生的電磁輻射信號特徵變化,確定了保護層采空區
煤柱產生的應力集中帶,電磁輻射測定結果與現場勘測資料計算結果相吻合。
-
Test research on permanent pillar mining with coal refuse backfilling
矸石充填巷式開采永久
煤柱試驗研究
-
Roof management of tunnelling in narrow and small pillar
在窄小煤柱中掘進巷道的頂板管理