| 摘要 |
FIELD: civil engineering. SUBSTANCE: formwork panel has formwork board and connected edge shaped parts made in the form of hollow shaped sections. The latter has a connecting piece placed on outer edge of the formwork panel at right angle to the formwork board. The connecting piece is interconnected to connecting piece of shaped part that is mainly of U-shape. Edges of lateral sections of the shaped part are overlapped with the connecting piece. The connecting piece is provided with a flange placed on formwork panel side screwed off from U-shaped part and close to lateral section of U-shaped part facing formwork board. EFFECT: high productivity. 11 cl |
