TELESCOPIC ARCH CENTER TYPE SECONDARY LINING METHOD OF TUNNEL

To provide a secondary lining method of a tunnel using a telescopic arch center which enables a worker to smoothly move in front/rear and right/left directions on a tunnel floor and to enhance an efficiency of a secondary lining work.SOLUTION: A conveyor covering portion 40 which is suspended from a...

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Bibliographic Details
Main Authors HONDA HIDEO, KOMURO MASAHIRO, AOKI TADASHI, ISHIZAKA HITOSHI, OKUBO TSUNEHIDE, ASANUMA YASUKI, INOUE MASAHIRO
Format Patent
LanguageEnglish
Japanese
Published 14.03.2019
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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