TIMBERING CONNECTION STRUCTURE AND METHOD IN WIDENING TUNNEL

PROBLEM TO BE SOLVED: To connect timbering even when the pitch to be installed as timbering of a new tunnel is different from the arranged position or disposed pitch of existing timbering in tunnel widening construction work using the timbering of the existing tunnel. SOLUTION: A fixing member 9 is...

Full description

Saved in:
Bibliographic Details
Main Authors FUJIWARA YASUMASA, OBARA YOSHIYUKI, NAKAMORI JUNICHIRO, NOMURA HIROTO, FUJINAGA TOMOSABURO, HORIUCHI HIDEYUKI, KIUCHI TSUTOMU, NOMA TATSUYA, MASHITA HIDETO, ISHIMURA TOSHIAKI
Format Patent
LanguageEnglish
Published 25.03.2004
Edition7
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
Online AccessGet full text

Cover

More Information
Summary:PROBLEM TO BE SOLVED: To connect timbering even when the pitch to be installed as timbering of a new tunnel is different from the arranged position or disposed pitch of existing timbering in tunnel widening construction work using the timbering of the existing tunnel. SOLUTION: A fixing member 9 is fitted to the end part of each existing timbering 1a extending in the circumferential direction of the tunnel, positioned at a broken out section 1c in widening the tunnel, and a multi-divided connecting member 8 extending in the depth direction of the tunnel is connected to each fixing member 9. The new timbering 3 extending in the circumferential direction of the tunnel is connected to the connecting member 8. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020251913