Ultra-deep hole pre-grouting pipe for crack-developed surrounding rock and grouting method

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Main Authors GENG MINMIN, ZHAO GUOZHEN, GONG PENG, JIANG ZHONGXI, WANG KUN, MA ZHANGUO, ZHANG XIUQUAN, ZHANG FAN
Format Patent
LanguageChinese
English
Published 16.07.2014
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Author ZHANG XIUQUAN
GONG PENG
JIANG ZHONGXI
ZHANG FAN
GENG MINMIN
MA ZHANGUO
WANG KUN
ZHAO GUOZHEN
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– fullname: ZHANG XIUQUAN
– fullname: ZHANG FAN
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SubjectTerms EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
Title Ultra-deep hole pre-grouting pipe for crack-developed surrounding rock and grouting method
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