怎么没有人回复呢？难道大家都是搞煤矿的？ 5y~ Srb?2
我只知道我们选择采矿方法时，如果地表有主要建筑物和铁路之类的，我们就不选择空场法和崩落法，都必须用充填法，可是我们的采矿沉陷应该如何处理呢？请求群里高手指教啊！ Nx;Oz
自己查到了北美著名的McIntosh Engineering 采矿公司的Hard_Rock_Miners_Handbook这本书的，他对采矿沉陷的介绍只有一点点，并且还没有正式出版，只是在书的待续目录里有，先奉献上： - =InGm\Y
2.21 Subsidence z%q)}$O
In Block Caving mines, it is typical that the cave is vertical until sloughing is initiated <#ng"1J
after which the angle of draw may approach 70 degrees from the horizontal, particularly p
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at the end of a block. W9rmAQjn
Source: Fleshman and Dale &*Z"r*
2.22 Subsidence Z?f-_NHg
Preliminary design of a block cave mine should assume a potential subsidence zone of 9
df GV!Z
45-degrees from bottom of the lowest mining level. Although it is unlikely that actual Q,LDn%+;B*
subsidence will extend to this limit, there is a high probability that tension cracking will ;u? L>(b
result in damage to underground structures (such as a shaft) developed within this zone. A4tb>O M
Source: Scott McIntosh (|2:^T+
2.23 Subsidence oWLv-{08
In hard rock mines employing backfill, any subsidence that may occur is always vertical ysH'X95
and nothing will promote side sloughing of the cave (even drill and blast). MqAN~<l [
Source: Jack de la Vergne
