And in the course of caving,there is a caving process zone which is consists of caving zone and damage zone.
文中基于受拉条件下,岩体崩落是脆性破坏的事实,建立受拉条件下岩体崩落过程区损伤模型,作为岩体的崩落模型,将其嵌入到ANSYS后处理程序中,实现崩落过程区的自动搜索。
Ltd,as well as the engineering practice of adopting cutting deep hole whole region caving method to simultaneously blast and dispose multilayer complex goaf are discussed in this paper.
介绍了洛阳栾川钼业集团股份有限公司三道庄矿区多层复合空区的赋存形态、空区处理方案以及采用切割深孔区域整体崩落法一次爆破同时处理多层空区时的工程实践;切割深孔区域整体崩落法处理地下多层复杂空区的孔位布置、施工、装药、爆破及网路、施工安全管理等,对国内外同类型矿山资源的安全、合理的开发利用具有重要参考意义。
Law of Orebody Caving by Block Caving System;
阶段崩落法中的矿体崩落规律
Discuss on a simulated system for rock mass caving and large-scally;
岩体大规模自然崩落模拟系统的初探
Numerical simulation of natural caving is conducted from meso-mechanics view through particle on the basis of method(PFM).
采用颗粒流方法对矿岩的自然崩落规律进行数值模拟计算,提出在颗粒模型中确定细观接触力学参数及模拟初始地应力的方法。
The results show that the great plastic yield areas and pull failure areas are formed in the base structure with caved area extends.
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。
On this basis calculation method runoff infiltration for mining cave attain 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。
Numerical Simulation on Caving Process Zone Induced by Undercut
拉底诱导的岩体崩落过程区数值模拟
DETERMINATION OF THE ORIENTATION OF THE CRUSTAL STRESS !N CENTRAL HEBEI PLAIN BY BOREHOLE BREAKOUT METHOD
用孔壁崩落法测定冀中平原地区地壳应力方向
sublevel blast-hole method
深孔分段崩落采矿法
sudden fall of a mass of earth,mud,etc
（土、泥等的）突然崩落
sublevel undercut caving method
分段下部掏槽崩落开采
induced block caving
阶段人工崩落开采法
The snow sometimes slips, forming snowslides.
雪有时会滑落，造成雪崩。
Mechanism of capping rock collapse by no-pillar sublevel caving
无底柱分段崩落法开采顶板围岩崩落机理
The avalanche crashed down the mountainside.
这雪崩轰然一声落到山边。
top slicing combined with ore caving
下向水平分层崩落采矿法
The tombstone was lichenous and crumbling.
墓碑长满了地衣,已在崩落。
Some great empires have crumbled and fallen.
一些大帝国已崩溃衰落了。
a slide of large masses of snow and ice and mud down a mountain.
大块雪、冰和泥的混合物向山下的崩落。
(geology) the descent of a large mass of earth or rocks or snow etc..
（地质学）土、岩石或雪的崩落。
Every mouldering stone was a chronicle.
每块崩碎剥落的石头都是一部编年史。
The masonry of the old building began to crumble.
旧楼房的砖石结构开始崩落。