BRANCH SEGMENT

PROBLEM TO BE SOLVED: To increase the strength of a branch segment which is used in a multiple segment tunnel or the like and which must meet strict requirements for strength, without increasing its size. SOLUTION: The branch segment includes: a post connection (a) for joining the middle posts of a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KONNO TSUTOMU, TSUCHIYA MASAYOSHI, MUKONO KATSUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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