Prefabricated part for lightweight slab

Abstract

The invention discloses a prefabricated part for a lightweight slab, which comprises an elongated bottom plate (1) and at least two side plates (2), wherein the side plates (2) are erected on the bottom plate (1) so as to form an elongated trough plate. The prefabricated part is characterized in that: at least two lightweight blocks (3) are arranged in the elongated slot of the elongated trough plate at intervals; an inner rib empty slot (4) orthometric or / and heterotropic to the elongated slot is formed in a space between the lightweight blocks (3); the lightweight blocks (3) are provided with cover plates (5) or groove-shaped shades (6) which connect the side plates (2) into a whole; the cover plates (5) or groove-shaped shades (6) are arranged at intervals same as the intervals between the lightweight blocks (3); the upper parts of the side plates (2) are provided with prestressed or non-prestressed steel bars or steel strands (7); longitudinal through prestressed or non-prestressed steel bars or steel strands (7) are arranged in the bottom plate (1) intersected with the side plates (2); and at least one cross slab (12) is connected between the two side plates (12).

Description

[0001] This application is a divisional application of the invention patent application with the filing date of November 23, 2004, the application number of 2004100928929, and the title of "A Prefabricated Component for Lightweight Board". (1) Technical field [0002] The invention relates to a prefabricated component for a lightweight board. (2) Background technology [0003] Ribbed reinforced concrete prefabricated components are used to assemble lightweight slabs, which can bear two-way loads, do not need on-site formwork, and are low in cost, easy to hoist and transport. This ribbed prefabricated component includes a strip-shaped bottom plate and a long strip-shaped side plate, and the side plate and the bottom plate are connected as a whole to form a T-shaped or long-strip trough-shaped component. Usually the length of the side slab of this prefabricated component is the same as the length of the bottom slab. When this prefabricated component is assembled to form a ligh...

AI Technical Summary

Problems solved by technology

Usually the length of the side slab of this prefabricated component is the same as the length of the bottom slab. When this prefabricated component is assembled to form a lightweight slab that bears two-way loads, the cast-in-place concrete cannot pass through the side slab and cannot form a connected intersecting slab with the side slab. In-situ concrete ribs, at the same time, in the direction perpendicular to the side plate, various pipeline layouts need to be drilled and threaded on site, which not only wastes concrete materials, but also wastes man-hours. Moreover, after cast-in-place concrete, the assembled lightweight panels are solid. Concrete consumes a lot of material, and the lightweight slab is heavy, which is not suitable for large-span pouring. Therefore, it is urgent to develop a new type of prefabricated component for lightweight slabs.

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