Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
G
o
o
g
l
e
|
Forvo
|
+
rock damage criterion
expl.
岩石破坏判据
造成岩体破坏可能性的测定标准,通常以最高〈峰值〉质点速度 vₘₐₓ 或 PPV 表示,单位为 mm/s。含强节理硬岩的约为1000mm/s,不含弱节理中等硬岩的 vₘₐₓ 为 700rock 800mm/s,含弱节理软岩的 vₘₐₓ 约等于 400mm/s。另一种破坏评估判据是以爆破前后裂隙频率的变化为基础
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips