TUNNEL CONSTRUCTING METHOD AND TUNNEL

TUNNEL CONSTRUCTING METHOD AND TUNNEL

PROBLEM TO BE SOLVED: To provide a tunnel constructing method which reduces settlement of the ground surface at the time of excavation of a tunnel, and shortens a construction period, and to provide the tunnel per se. SOLUTION: Prior to construction of a tunnel, steel pipes 9 which are preliminary i...

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Hauptverfasser: HAGIWARA TOMOHISA, OYA HIROSHI, FUJIMOTO KAZUYOSHI, FUJII TAKESHI, IWATA MITSUISA, UNO YASUAKI
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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creator HAGIWARA TOMOHISA
OYA HIROSHI
FUJIMOTO KAZUYOSHI
FUJII TAKESHI
IWATA MITSUISA
UNO YASUAKI
description PROBLEM TO BE SOLVED: To provide a tunnel constructing method which reduces settlement of the ground surface at the time of excavation of a tunnel, and shortens a construction period, and to provide the tunnel per se. SOLUTION: Prior to construction of a tunnel, steel pipes 9 which are preliminary installed works are arranged between improvement bodies 5 which are constructed from the ground surface 1. Then, an upper half portion is excavated, and a timbering (steel timbering + shotcrete) 13 for the upper half portion is constructed. Thereafter, a lower half portion is excavated, and a timbering (steel timbering + shotcrete) 19 for the lower half portion is constructed. In this manner, the tunnel is constructed.
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
title TUNNEL CONSTRUCTING METHOD AND TUNNEL
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