Head on wall and protect mountain device in tunnel

The utility model provides a head on wall and protect mountain device in tunnel, nets and protects the ridge including the mountain of protecting of fixing the wall surface of heading on in the tunnelin proper order, it nets to protect the limit of mountain net periphery in the middle of the centre...

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Bibliographic Details
Main Authors ZHANG SHUYIN, CHEN YINGZHOU, GUO DENGKAI, ZHOU CHUNJIANG, XIE BING, LIU JINLIANG, HAO YONGJUN, LI XINZHENG, YIN KERAN, HAN WEI, YANG BAOFENG, ZHAO XUEBIN, CHEN JIXIAN
Format Patent
LanguageChinese
English
Published 13.04.2018
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model provides a head on wall and protect mountain device in tunnel, nets and protects the ridge including the mountain of protecting of fixing the wall surface of heading on in the tunnelin proper order, it nets to protect the limit of mountain net periphery in the middle of the centre is netted and is worn to establish, 15~ phi of phi 20mm's coir rope is chooseed for use to the limit net, it is latticed that middle net selects for use 8~ phi of phi 10mm's brute force, flameresistant material rope to work out into, and the size of net is 100 100mm, must not be less than 1 inserted bar fixed point in per 2 m2 of middle net, set up at least one inserted bar fixed point in the every 600mm of limit net, every inserted bar fixed point sets up a fixed inserted bar. Adopt this protector can be used for head on wall protection of tunnelling well, but wherein protect ridge repetitiou and use, practice thrift the tunnel construction and strut material cost, protect mountain net forthe flexible material tha
Bibliography:Application Number: CN201721115055U