METHOD OF HOLLOW-CORE SLABS PRODUCTION AND A DEVICE FOR ITS REALIZATION Russian patent published in 2005 - IPC

FIELD: construction industry; methods of production of hollow-core slabs.

SUBSTANCE: the invention is pertaining to the field of construction industry, in particular, to the equipment and methods of production of hollow-core slabs. The technical result is improvement of quality of produced items and simplification of a production process. The method provides, that they insert the hole-forming cores into the form, conduct tendon jacking of the reinforcement bars, lay and compact the mixture. Then form the cavities by screwing up in the mixture of screw-bolts with the diameter equal to the diameter of the cavity hole on over the height with their following screwing out. The device includes a portal consisting of the vertical poles fixed in the vertical part of it by a truss, a carriage hanged on the vertical poles, and a furnished with the hole-forming cores with the screw bolts. The portal is made with a capability of movement along a rail line.

EFFECT: the invention insures improvement of quality of produced items and simplification of a production process.

2 cl, 3 dwg