1) return mining with pressure
带压回采
1.
By using the mathematical theory of coal mine safety and adopting the fuzzy comprehensive evaluation method,the author analyzes and evaluates the safety of water inrush of 8643 work face floor while return mining with pressure,which provides an important basis for decision making to work face mining safety.
矿井底板突水是影响安全生产的重大问题,运用煤矿安全数学理论,采用模糊综合评价的方法,对8634工作面带压回采底板出水的安全性,进行了具体的分析与评价,为工作面安全回采提供了重要的决策依据。
2) reducing pressure actual mining
降压回采
4) Mining with water pressure
带压开采
1.
In this paper,3-D solid-fluid coupling mathematical model and numerical solution is built from the point of view of mining with water pressure, and numerical simulations on 3D solid-fluid coupling for mining with water pressure in Dongshan coal mine of Taiyuan is carried out .
从带压开采的角度建立了带压开采的三维固流耦合数学模型及其数值解法,并针对太原市东山煤矿带压开采,进行了三维固流耦合数值模拟,对带压开采底板的应力分布规律进行了详细的探讨,为进一步防治矿井突水提供理论依据。
5) mining above aquifer
带压开采
1.
By using the 3D solid-flow coupling simulation experiment equipment,the law of stress,displacement of coal floor of Dongshan Colliery in Taiyuan,during mining above aquifer is studied.
运用大型三维固-流耦合模拟实验台,对太原市东山煤矿一采区带压开采进行了三维模拟,分析了煤层顶板应力-位移的变化规律,解释了煤层顶板垮落的一系列现象,总结了顶板活动的影响因素,为采掘活动引起地表移动的研究提供理论参考。
6) mining under pressure
带压开采
1.
The history of mining of coal threatened by water and the conditions of water outburst from the floor in mining under pressure are introduced.
介绍了受水威胁煤层带压开采的情况 ,以及带压开采过程中底板突水的条
2.
1 level in the floor rock seam,and then,the water inrush coefficient was subareaed for the coal mining under pressure.
根据矿井水文地质条件,计算新义煤矿一水平工作面底板岩层采动导水裂隙带深度,对计算出的突水系数绘制成等值线图进行带压开采可行性分区,并根据存在的问题提出针对性的防治水措施,为矿井防治水工作提供参考依据和建议。
补充资料：板带轧制压下规程(见板带轧制规程设计)
板带轧制压下规程(见板带轧制规程设计)
draughting schedule for plate and strip rolling
bandai zhazhi yaxia guieheng板带轧制压T规程(draughting，ehedule forplate and strip rolling)见板带札制规程设计。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条