Construction method for repairing joint of underground sewage pipeline with non-excavation stainless steel expansion ring

The invention relates to a construction method for repairing a joint of an underground sewage pipeline with a non-excavation stainless steel expansion ring. Modes of grouting, coating and installing are adopted by a three-layer internal sealing method of an epoxy resin grouting material, a polysulfi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEI YONGQUAN, CAI ZHICONG, PENG XIAOWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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