STEEL PIPE WELDING METHOD, STEEL PIPE WELDING-BURYING DEVICE AND EARTH RETAINING CONSTRUCTION METHOD BY WELDED STEEL PIPE

PURPOSE: To enhance the strength of the connected parts of steel pipes and reduce cost required for the steel pipes in an earth retaining construction method by steel pipes. CONSTITUTION: In an earth retaining construction method by welded steel pipes, plural steel pipes 7... are driven in almost al...

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Bibliographische Detailangaben
Hauptverfasser:	ARIOKA KENICHI, KITAI HAJIME
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING PERFORMING OPERATIONS SHAFTS SOLDERING OR UNSOLDERING TRANSPORTING TUNNELS WELDING WORKING BY LASER BEAM
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