FIELD: construction.
SUBSTANCE: method of long-span truss manufacturing out of straight rolled profiles involves the following stages. First truss girds are assembled of pack comprised by two or more straight flexible rolled profiles. Then girds undergo elastic bending to obtain desirable contour. Afterwards profiles are welded in girds, truss grid is assembled, and truss is cut into shipping units.
EFFECT: reduced labour cost of production, flowing contours of truss girds.
5 dwg
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