CONSTRUCTION METHOD FOR UNDERGROUND STRUCTURE

PROBLEM TO BE SOLVED: To provide a construction method for an underground structure for providing and extending a rectangular caisson body sequentially in a starting pit to excavate the ground and enabling the construction of the caisson body having large cross section in even a narrow vertical shaf...

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Main Authors UCHIDA HARUO, MAGARA TAKUMI, SAKAGUCHI TAKUSHI, UEMOTO KATSUHIRO, KOBAYASHI KENJI, MARUTA SHINICHI, KIMOTO KIYOTOSHI
Format Patent
LanguageEnglish
Published 25.09.2008
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:PROBLEM TO BE SOLVED: To provide a construction method for an underground structure for providing and extending a rectangular caisson body sequentially in a starting pit to excavate the ground and enabling the construction of the caisson body having large cross section in even a narrow vertical shaft by using divided segments and preventing the segment itself from being damaged even when receiving impulsive force of a jack. SOLUTION: In this construction method, a rectangular segment ring is formed by combining segment pieces being like a flat plate, having a flat plate L shape, and being a rectangular highly rigid type composite segment constituted by filling the inside blocked by a natural ground side skin plate, a hollow inside side skin plate, and a side plate with concrete, and the rectangular segment rings are sequentially connected in the direction of length to form the rectangular caisson body 19. COPYRIGHT: (C)2008,JPO&INPIT
Bibliography:Application Number: JP20070065945