Abstract
Theoretical part of the manuscript deals with basic information about repair of gas pipeline with steel repair sleeves and simulation programme SYSWELD. Experimental part includes analysis of boundary conditions in two-pass fillet welding joint. Results of the analysis will be used for simulation in simulation programme SYSWELD.
Highlights
The article deals with the issues of repairing defects at steel gas pipes, in particular of permanent repairs with using steel sleeves.2
Results of the analysis will be used for simulation in simulation programme SYSWELD
The steel sleeve is composed of segmented steel casing, fitted on two steel distance rings, which defines the space between the sleeve and the repaired pipe
Summary
The article deals with the issues of repairing defects at steel gas pipes, in particular of permanent repairs with using steel sleeves. Permanent repair of defects at gas pipelines with using steel sleeves. 1 – steel segmented sleeve 2 – distance rings 3 – composite 4 – inspection holes D – pipeline defect ++ – weld. The Steel Repair Sleeves can be used for permanent repairing of high pressure gas, pipeline defects without interrupting. The steel sleeve is composed of segmented steel casing, fitted on two steel distance rings, which defines the space between the sleeve and the repaired pipe. This space is filled with glass beads and epoxy (composite). Depending on the seriousness and type of defect on the pipeline sleeves can be divided to: G cold sleeve – steel casing fitted on two steel distance rings is welded only longitudinal butt weld, G hot sleeve – steel casing fitted on two steel distance rings is welded longitudinal butt weld and is welded with fillet weld to distance rings [1]
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