caving pressure 中文意思是什麼
caving pressure
解釋
坍井壓力-
Analysis on danger of pressure bump when fully mechanized sublevel caving mining face passed through terminal mining line of top slicing seam
綜放面過上分層終采線沖擊地壓危險性分析 -
The construction methods and caving protection measures for punching high thick and loosen soft coal seam in luling coal mine no. 2 dark tilt well in huaibei coal mine area are introducded. they include small section enlarged after the heading caving, high negative pressure and multi - raw drilling holes and strenous drawing - off, concentrated cross drill holes, cutting while drawing - off and putting the metal frame away
介紹了淮北礦區蘆嶺煤礦2主暗斜井採用小斷面導硐后刷大、高負壓多排鉆強抽，密集交叉鉆孔邊掘邊抽及設置金屬骨架施工方法和防突措施揭穿高突特厚松軟煤層。 -
Characteristics of ground pressure behavior in hard thick - top - coal fully mechanized caving face
堅硬煤層大放高綜放面礦壓顯現特點 -
Regularity and characteristics of ground pressure when rapid advancing implemented in short - wall fully - mechanized top coal caving face
短壁綜放面快速推進礦山壓力顯現規律與特徵 -
Abutment pressure distribution and its transfer law in floor of deep isolated fully - mechanized mining faces using sublevel caving
深井孤島綜放面支承壓力分佈及其在底板中的傳遞規律 -
Mine pressure behavior of rery lons fully mechanized top coal caving working face of no. 21072 in changcun coal mine
常村礦21072超長孤島綜放面礦壓顯現特徵 -
Ground pressure behavior of light top - coal caving method in extremely thick and soft seam
極軟特厚煤層輕放開采礦壓顯現規律 -
Numerical simulation study on the distribution of abutment pressure in fully - mechanized caving face
綜放面側向支承壓力分佈規律模擬研究 -
Analysis of additional pressure in soft rock roadway by over - the - roadway extraction in isolated island fully mechanized top - coal caving face
孤島綜放面跨采軟巖巷道附加壓力分析 -
Ground pressure observation in bolting coal roadway with fully mechanized top - coal caving
特厚煤層綜放煤巷錨桿支護礦壓觀測 -
Application research on pressure ventilation technique in support withdrawal of a fully mechanized caving face
增壓通風技術在綜放面撤架時的應用研究 -
Dust suppression by using dynamic pressure injecting water in fully - mechanized sublevel caving faces
綜采放頂煤工作面動壓注水降塵 -
Increase output of the fully mechanized top - coal caving face by using the law of underground pressure
利用礦壓規律提高綜放工作面單產 -
Ground pressure character of superlong isolated island fully - mechanized top coal caving face for changcun coal mine
下分層孤島綜放工作面頂煤運移特徵實測分析 -
Fully mechanized sublevel caving method adopted in the dynamic pressure condition
動壓條件下的綜放開采方案 -
Ground pressure in light mechanized top coal caving face in the deep area of mine
深部輕放面礦壓規律研究 -
Abstract : this paper discussed the roadways pressure characteristics of south sublevel caving region in fengshan copper mine. by means of engineering practice and the measure results in site test, to counter the feature of roadways pressure, the supporting / reforcing technology of roadways and the controlling treatments for ground pressure is proposed in varying geological conditions
文摘:對豐山銅礦南緣無底柱崩落法采區的巷道地壓特徵進行了探討，針對其地壓顯現特點，結合工程實踐和現場實驗測量的結果，提出了不同地質條件下巷道的支護加固方案和地壓控制措施。
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