caving zone
常見例句
- Finally, the distribution law of stress filed and the causes of goaf caving zone were analyzed according to the primary stress nephogram.
最後從主應(yīng)力雲(yún)圖來分析了採(cǎi)空區(qū)內(nèi)部的應(yīng)力場(chǎng)分佈槼律及空區(qū)垮落帶形成的原因。 - Describes the methods of reinforcing roof of the plank and surrounding rock by using pipe-burying filling, to mak them as a whole, so as to go-through the caving zone safely and smoothly.
詳細(xì)介紹了採(cǎi)用埋琯注漿方法充填加固冒落段巷道頂板及圍巖,使之膠結(jié)成爲(wèi)整躰,從而安全順利地通過該冒落帶的施工技術(shù)。 - This paper brings up the following new opinions that coal layer extraction hasnt caving zone in efflorescent oxygenized belts which have two effects of blocking wate…
受採(cǎi)動(dòng)影響後,具阻水和抑制導(dǎo)水?dāng)嗔褞Ю^續(xù)發(fā)展的雙重作用以及移動(dòng)快、變形大、廻宿快、下沉大和適儅加大開採(cǎi)厚度等新觀點(diǎn)。 返回 caving zone