THE FAILURE CHARACTERISTC OF RFD BEDS SOFT ROCK IN WATER AND SHAFTING PRACTICES

THE FAILURE CHARACTERISTC OF RFD BEDS SOFT ROCK IN WATER AND SHAFTING PRACTICES[J]. COAL GEOLOGY & EXPLORATION, 1991, 19(1): 41-46,71,72.

Citation:

THE FAILURE CHARACTERISTC OF RFD BEDS SOFT ROCK IN WATER AND SHAFTING PRACTICES[J]. COAL GEOLOGY & EXPLORATION, 1991, 19(1): 41-46,71,72.

Citation:

THE FAILURE CHARACTERISTC OF RFD BEDS SOFT ROCK IN WATER AND SHAFTING PRACTICES[J]. COAL GEOLOGY & EXPLORATION, 1991, 19(1): 41-46,71,72.

Abstract

Basd on the analysis of the geological condition, composition,and rock mass struct of Mesozoic, and Cenozoic red beds in the boundary areas of Iiangs,Slandong, Henan and Anhui province,the swelling and disintegration characteristie and inflence Several shafting-sitking methods for passing thro ugh red bads are jndged.

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