METHOD OF MANUALLY RESTORING AN INNER SURFACE OF A CORRUGATED STEEL TUBE

The invention relates to a method of manually restoring an inner surface (10) of a corrugated steel tube (1) forming part of a system for guiding water in association with an infrastructure, such under as roads, bridges and railroads.The method includes the steps of cleaning, finishing, repairing an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WALLENTHEIM, PAER, SOENKSEN, HANS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE BLASTING CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS 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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Beschreibung
Zusammenfassung:	The invention relates to a method of manually restoring an inner surface (10) of a corrugated steel tube (1) forming part of a system for guiding water in association with an infrastructure, such under as roads, bridges and railroads.The method includes the steps of cleaning, finishing, repairing and coating. The inner surface (10) of the corrugated tube (1)is cleaned from remaining water and sediments, whereafter the inner surface (10)is finished to remove surface roughness created by ferrous corrosion(6). The occurring cavities, created by the ferrous corrosion, on the inner surface is repaired with a filler material and/or steel sheets and/or wire netting, whereafter the inner surface (10) is covered with a coating to create long time corrosion protection and restore the structural integrity.