Results 81 to 90 of about 1,240 (184)

The prevention of rockbursts in Gardanne colliery

open access: yes, 1995
The Gardanne colliery lies between Aix-en-Provence and Marseille and is part of the south-east complex of H.B.C.M. (Subsidiary of the Charbonnages de France group). The coal deposit is from fluvio-lacustral origin and was formed some 75 millions years ago.
Josien, Jean-Pierre, Derrien, Yves
openaire   +1 more source

Research on RA-AF-E Classification of Rockburst Fracture Characteristics in Tunnels under Gradient Stresses

open access: yesRenmin Zhujiang
Rockburst disasters currently constitute a critical challenge constraining the development of deep underground engineering. During underground excavation, the tangential stress of the surrounding rock exhibits a gradient distribution.
HUANG Bing   +4 more
doaj  

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