本文叙述了孔壁崩落应力测量方法。
This paper illustrates the stress measurement by the borehole breakout method.
另一是由于采空区的崩落和塌陷。
旧楼房的砖石结构开始崩落。
真正的奇迹是帷幕的崩落。
西石门铁矿采用无底柱分段崩落采矿法开采。
Sublevel caving without sill pillar is used in Xishimen Iron Mine.
丰山铜矿南缘采区应用无底柱分段崩落法采矿。
Sublevel caving method without sill pillar is adopted in the south section of Fengshan Copper Mine.
主要有裂纹、凹陷和镦粗、表面蚀坑、崩落等。
There are mainly crack, depression, upset, pit on the surface, breakout, etc.
无底柱分段崩落采矿法是一种高效安全的采矿法。
自然崩落法放矿基本上都是在覆盖岩层下进行的。
The process of ore- drawing in block caving is completed under overburden.
在一个实例中，科学家们发现大量立方码的沙粒从沙丘的表面崩落。
In one instance, scientists found that hundreds of cubic yards of sand had avalanched down the face of a dune.
并在此基础上探索采矿崩落区降雨迳流渗入量的计算方法。
On this basis calculation method runoff infiltration for mining cave area is introduced.
并在此基础上探索采矿崩落区降雨逞流渗入量的计算方法。
On this basis calculation method runoff infiltration for mining cave attain introduced.
并对今后无底柱分段崩落法降低损失贫化具有重要的指导意义。
The paper is of important instructive importance to reduce loss and depletion by sublevel caving method without sill pillar.
用斜井钻孔崩落资料求取地壳应力状态是一个非线性反演问题。
It is a non linear inversion to calculate crustal stress field with collapse data of inclined borehole.
崩落则十分相似于梯段爆破，只不过所需的装药量比较大一些。
Stopping can very well be compared with bench blasting but requires considerably larger charges.
酒泉钢铁公司桦树沟铁矿所用采矿方法是无底柱分段崩落采矿方法。
Sublevel caving without bottom pillar is the method of mining used at Huashugou Mine, Jiuchun Iron and Steel Co.
在此基础上，分析了拉底参数对矿体崩落系数和底部稳定性的影响。
On that basis, the influence of undercut parameter on the cavability index and opening stability is analysed.
这是在有文字记载的历史上最大的一次崩落所留下的难以消除的痕迹。
This is the ineffaceable track of the greatest single avalanche in recorded history.
井眼基本破坏形式是由于不稳定性造成的井眼岩石崩落坍塌和剪切带。
The basic failure mode of borehole is borehole avalanche and shear zone caused by bore instability.
运用拓扑学、矢体概念以及计算机模拟等技术对矿石崩落块度进行预测。
The ore fragment size for block caving is predicted by means of topology, vector field conception and computer simulation technology.
连续采矿顶板诱导崩落技术是连续采矿技术和诱导崩落技术的有机结合。
Technology of continuous mining-induced caving roof is the organic combination of continuous mining technology and induced caving roof technology.
山泥倾泻产生的泥石体积是1980年5月18日圣海伦山岩屑崩落的1000多倍。
The volume of the landslide debris is more than 1, 000 times greater than that from the May 18, 1980, debris avalanche from Mount St. Helens.
关键层较难崩落，但在崩落时具有突发性，会产生较大厚度岩层的突然垮塌。
The key stratum is not easy to cave, but once it is caved, there will be a sudden collapse of a rather thick stratum.
它不断地崩落、流失，到了一定时候，这样蚀走的地方就成为一个宽敞的山洞。
It goes on crumbling and falling away, and in time this Wash. out grows to be a spacious cavern.
潘洛铁矿属中型生产规模铁矿山，原设计分条分段崩落法在生产中存在较多问题。
Panluo Iron Mine is of medium size and there are many problems in its production which USES the originally designed sublevel caving in strips.
铜矿峪铜矿在自然崩落法采场中，建立了一整套简便易行的矿体崩落状态监测系统。
Tonkuangyu Copper mine sets up a set of simple and convenient monitoring system of orebody caving state in the mine stope to use block caving method.
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.
结果表明，随矿岩崩落开采，崩落区下方岩层出现较大范围的塑性破坏区和拉破坏区。
The results show that the great plastic yield areas and pull failure areas are formed in the base structure with caved area extends.
本文就利用崩落矿石移动规律进行覆盖岩下放矿控制这一放矿理论的应用课题进行了探讨。
The paper approached the subject of the application of draw theory which utilizes the movement rule of caved rock to control ore-drawing under overlying rock.
本文就利用崩落矿石移动规律进行覆盖岩下放矿控制这一放矿理论的应用课题进行了探讨。
The paper approached the subject of the application of draw theory which utilizes the movement rule of caved rock to control ore-drawing under overlying rock.
应用推荐