strip coal mining

基本解釋

In order to solve the technical problems of mining strip extraction coal-pillar and waste disposal, the waste substitution extraction is proposed.
針對(duì)建下條采煤柱回收和井下矸石處理的重大技術(shù)難題，提出矸石置換開(kāi)采。
The coal mine's geological conditions are classified, and the rational sizes of strip coal pillars in strip mining are discussed using the theory of continuous medium mechanics.
首先對(duì)煤礦地質(zhì)條件進(jìn)行分類(lèi)，采用連續(xù)介質(zhì)力學(xué)理論，探討條帶開(kāi)采的合理?xiàng)l帶煤柱尺寸。
In the dimension design of coal pillars in strip mining, presently, most of them are carried out by analyzing strength stability, without considering the effect of weak plane in coal pillar.
在條帶開(kāi)采煤柱尺寸設(shè)計(jì)中，目前大多數(shù)是采用強(qiáng)度穩(wěn)定性分析的方法，而沒(méi)有考慮弱面對(duì)煤柱穩(wěn)定性的影響。