采空区充填开采为“三下”煤炭的合理开采创造了条件。
The mining with filling in goaf provides advantages for the rational mining of coal under buildings, railroads and water bodies.
文中叙述了大庄子金矿井下采空区充填工艺，介绍了充填过程中的技术措施，并提出了进一步改进设想。
The technical measures of the filling of mined out area employed in Dazhuangzi Gold mine were introduced and an assumption to improve it further was put forward.
放顶煤工作面与非放顶煤工作面的区别是，采空区充填系数小，顶板岩层运动剧烈，走向方向超前支承应力峰值较大。
The differences between the coal drawing face and non-coal drawing face are low stowing factor in the goaf, vigorous movement of roof, and high stress peak abutment pressure along the strike.
将尾砂胶结后用于充填采空区，可以减少环境污染和地表破坏。
Cementing tailings to fill gob area can both reduce environmental pollution and ground destruction.
对梅山铁矿选矿厂细粒尾矿用于充填塌陷区和采空区堆块的可能性及生产工艺条件进行了研究。
Studies on the possibility and technological conditions of the utilization of fine tailings from Meishan Iron mine as filling and piling materials in caved and mine up areas have been carried out.
针对其矿体不稳固、围岩中等稳固，以及存在较大采空区，矿体完整性遭破坏的情况，提出了上向进路充填法开采的设计方案。
Because of these problems such as unstable ore bodies, moderately-stable wall rock, large work-out area, the design proposal of mining these ore bodies by filling-up method is presented.
磷石膏作为充填骨料充填于井下采空区，目前国内尚无先例。
Phosphor-gypsum is filled into the mined empty area as filling aggregate, it is not still applied yet in China at present.
针对这一情况，从药室爆破放顶充填采空区，从而达到分层崩落法采矿的护顶层要求。
Based on this case, through filling the gob area by means of chamber blasting, the requirement of protective top - layer for slicing and caving can be achieved.
通过充填，采空区的安全隐患可以得到消除；
Potential safety problem due to emptied areas could be solved by filling works according to numerical calculation;
在空区未充填的情况下回采矿柱，矿柱与采空区顶板的稳定性是一个关键问题。
The stability of the ore pillar and the roof is a key issue in the pillar recovery in unfilled mined-out area.
为此，基于KJ216顶板压力在线监测系统，研制了采空区膏状充填体在线监测系统。
To this point, developed the on-line monitoring system of paste backfill in the goaf, based on the KJ216 monitoring system of plank pressure.
实践证明钻孔充填压浆法对采空区的治理具有成本低，设备简单，技术可靠，效果明显，有进一步推广的意义。
The practice demonstrated that the method has characteristics of low cost, simple equipment, reliable technique, obvious effect and popularization significance.
在空区末充填的情况下回采矿柱，矿柱与采空区顶板的稳定性是一个关键问题。
The stability of the ore pillar and the roof is a key issue in the pillar recovery in unfilled mined - out area.
在此系统中，首先要考虑采充平衡的问题，即选矿所得尾砂能够全部用于充填采空区。
In this system, the question of the balance between mining and filling should be considered firstly, that is, all of the tailing should be used for bashing.
在此系统中，首先要考虑采充平衡的问题，即选矿所得尾砂能够全部用于充填采空区。
In this system, the question of the balance between mining and filling should be considered firstly, that is, all of the tailing should be used for bashing.
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