CONSTRUCTION METHOD OF SHIELD TUNNEL AND SEGMENT FOR OPENING PART

CONSTRUCTION METHOD OF SHIELD TUNNEL AND SEGMENT FOR OPENING PART

PROBLEM TO BE SOLVED: To provide a construction method of a shield tunnel capable of easily forming an opening part in a short time by eliminating secondary lining and to provide a segment for the opening part used for an opening planned part of the tunnel. SOLUTION: A segment ring 10 including the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MORIYA YOICHI, YOKOTA MASAKAZU, SEKIMOTO NOBORU, YAMAMORI NORIYASU, KITANO YOSHINORI, KIKUCHI YUKIO, KOMATSUBARA OSAYOSHI
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a construction method of a shield tunnel capable of easily forming an opening part in a short time by eliminating secondary lining and to provide a segment for the opening part used for an opening planned part of the tunnel. SOLUTION: A segment ring 10 including the segments 11 and 12 for the opening part reinforced by previously burying reinforcing steel plates 11S and 12S at a position forming the opening part of the shield tunnel 40, and a segment ring 20 of a symmetrical shape on the segment ring 10 and the boundary are arranged, and the opening planned part 40P of the segment rings 10 and 20 are constituted of unreinforced concrete easier to remove than reinforced concrete.