Large -scale underground cavern country rock supporting construction under high ground stress condition

The utility model discloses a large -scale underground cavern country rock supporting construction under high ground stress condition belongs to hydraulic and hydroelectric engineering technical fieldfor the solution is after the lax destruction of country rock, and effect and obscure problem are st...

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Bibliographic Details
Main Authors ZHOU ZHONG, XING XIANGLIN, ZHANG YONG, LIAO CHENGGANG, PENG WEIWEI
Format Patent
LanguageChinese
English
Published 23.03.2018
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model discloses a large -scale underground cavern country rock supporting construction under high ground stress condition belongs to hydraulic and hydroelectric engineering technical fieldfor the solution is after the lax destruction of country rock, and effect and obscure problem are strutted to its shotcrete, stock, anchor rope etc.. Supporting construction includes underground cavern, has the broken surrounding rock district in underground cavern's country rock, bore in underground cavern's country rock and be equipped with the injected hole, and the one end follow undergroundcavern's of injected hole country rock rock -wall wears out, and the other end gos deep into in the broken surrounding rock district, through the injected hole is to the interior injection in broken surrounding rock district and form grout body. The utility model discloses a setting up the injected hole and through forming corresponding grout body after the injected hole slip casting in broken surrounding rock district, be
Bibliography:Application Number: CN201721111729U