Fabricate your own yielding steel posts
Publisher: s.n
Published: 1990
Place of publication: S.l
Language: eng
Number of pages: 136
Subjects: Rockburst alleviation.; Support systems and damage control (Rockbursts)
Description:   An innovative, inexpensive method of constructing yieldable roof supports was outlined.  The technique was laboratory tested and field trials were conducted at a western coal mine.  The results appeared favourable, and variations to the construction were offered.
Notes: 1