| 摘要 |
FIELD: construction.SUBSTANCE: invention relates to a factory-built heated walkway slab. The walkway slab, comprising a heating wire, includes a lower slab having multiple first sunken sections in its upper surface; a buffer slab comprising multiple second sunken sections protruding down so that multiple second sunken sections are inserted into the first sunken sections of the lower slab and are connected to them, at the same time the buffer slab has the first groove for installation of the heating wire, stretching in direction of length on its upper surface between the second sunken sections; an upper slab comprising multiple protruding sections, which protrude down so that the lower surface of the upper slab is inserted into the second sunken section of the buffer slab and is connected with it, at the same time the upper slab on its lower surface has the second groove for installation of the heating wire, corresponding to the first groove for installation of the heating wire and stretching between protruding sections next to each other; and the heating wire inserted between the first groove for installation of the heating wire and the second groove for installation of the heating wire.EFFECT: improved quality of slabs.5 cl, 2 dwg |
