Filling and off-loading box component cast-in-situ reinforced concrete slab

Abstract

The invention belongs to the field of a cast-in-situ slab used for building, and more particularly relates to a site cast steel reinforced concrete slab filled with off-loading box components. The site cast steel reinforced concrete slab has fine stress section as well as convenient transportation and flexible arrangement of the off-loading components of the site cast steel reinforced concrete slab, and comprises a single body filled with an off-loading box, reinforcing steel bars and concrete, wherein, the single body filled with the off-loading box is an opening box comprising a box crest slab and a box side wall plate which are integrated into a whole, the edge around the bottom of the box side wall plate is a convex edge, the single body is placed with a downward opening, and the convex edge is at the same plane together with the lower surface of the slab. The site cast steel reinforced concrete slab filled with the off-loading box components can combine and distribute the single bodies of the box according to different stress requirements; furthermore, the single bodies of the box are convenient for combination and distribution, and the combination modes are flexible and diverse. Meanwhile, the single body filled with the off-loading box adopts an integral structure, can be sheathed, is convenient for transportation, has lighter weight and further saves the transportation cost.

Description

technical field [0001] The invention belongs to the field of cast-in-place slabs used in buildings, in particular to a cast-in-place reinforced concrete slab filled with load-reducing box components. Background technique [0002] At present, due to its own advantages, cast-in-place hollow slabs have been widely used in buildings as various floor slabs and bridge slabs. With the wide application of cast-in-place hollow slabs, various filling and load-reducing components have emerged. There are also various forms of filling the load-reducing box components. The patent No. 01140106.0 discloses a fully enclosed cavity-type cavity structure formwork. The cast-in-place slab of the cavity structure formwork is inconvenient for pouring concrete. , the bottom surface of the formwork is not easy to pour concrete, and the concrete is not dense, and the arrangement of the cavity structure formwork in the cast-in-place slab is limited, so the force bearing capacity of the resulting stres...

AI Technical Summary

Problems solved by technology

[0002] At present, due to its own advantages, cast-in-place hollow slabs have been widely used in buildings as various floor slabs and bridge slabs. With the wide application of cast-in-place hollow slabs, various filling and load-reducing components have emerged. There are also various forms of filling the load-reducing box components. The patent No. 01140106.0 discloses a fully enclosed cavity-type cavity structure formwork. The cast-in-place slab of the cavity structure formwork is inconvenient for pouring concrete. , the bottom surface of the formwork is not easy to pour concrete, and the concrete is not dense, and the arrangement of the cavity structure formwork in the cast-in-place slab is limited, so the force bearing capacity of the resulting stressed section is not good, the closed The cavity structure formwork is inconvenient to transport, takes up a lot of space, the quantity of one-time transportation is small, and the freight is high, and the closed cavity structure formwork is generally made of concrete and other materials that lack toughness. In the process, first, it is easy to damage the cavity formwork due to strong external force; second, it is heavy and inconvenient to move, which increases the labor intensity of workers and reduces work efficiency.

The patent No. 00203695.9 discloses a combined concrete hidden rib floor slab. As an integral structure, the floor slab is inconvenient to transport and high in cost, and cannot be flexibly placed and set in the cast-in-place slab as required. The shape and structure of the cast-in-place slab are single, which cannot meet the needs of different occasions and different force requirements.

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