FIELD: construction engineering. SUBSTANCE: beam is used as part of load-bearing structure and with purpose of reducing amount of material and labour needed in manufacture, this beam is made light-weight. Primary blank is cut by zigzag cutting with cutting out of inserts in the form of squares. One of squares is cut by half with formation of two rectangulars, then produced components are connected to beam with perforated web. EFFECT: high efficiency. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR MAKINGS LIGHT-WEIGHTED METAL BEAM | 1992 |
|
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SU1738965A1 |
