Assembled monolithic concrete ribbed hollow floor slab

Abstract

The invention relates to a floor slab, in particular to an assembled monolithic concrete ribbed hollow floor slab with combination of prefabrication and casting in place and joint stress, which comprises reinforced concrete rib beams (1), a reinforced concrete overlapping layer (2) and assembled box dies (3); each reinforced concrete rib beam is formed by casting in place between the adjacent assembled box dies; the reinforced concrete overlapping layer is formed by casting in place above the assembled box dies; each assembled box die (3) comprises a lattice reinforced composite slab (4) and an open box (5), and each lattice reinforced composite slab is a top slab of the open box (5); and protruding steel bars (6) are arranged in the lattice reinforced composite slabs (4), the protruding steel bars protrude into the peripheral rib beams for anchoring, longitudinal stressed steel bars (11) in the rib beams are hooked, and the rib beams (1) and the lattice reinforced composite slabs (4) are jointly stressed. The structural height of the floor slab can be greatly reduced, and higher using space for a building can be provided under the situation of same storey height.

Description

An Assembled Integral Concrete Rib Hollow Floor Slab technical field The invention relates to a floor slab, in particular to an assembled integral concrete dense-ribbed hollow-core floor slab combining prefabrication and cast-in-place under common stress. Background technique With the rapid development of my country's economic construction, reinforced concrete structures have been widely used in industrial and civil buildings, and have achieved good technical and economic results. Due to the requirements of high-rise, large space and earthquake resistance in buildings, many new structural systems with good technical and economic effects have been developed in recent years. In the past ten years, concrete ribbed hollow-core slabs have been widely used in construction projects in my country. Ribbed hollow-core floor slab refers to 1. The one-way or two-way type with rib spacing <= 1.5m is called dense-ribbed hollow-core floor slab; 2. It is suitable for public buildings...

AI Technical Summary

Problems solved by technology

There is no precedent for prefabricated internal formwork components used in ribbed hollow-core slabs at this stage in China

In addition, in the field of densely ribbed slabs, there is no precedent for adopting lattice reinforcement technology measures in the integrated measures of strengthening the combination of prefabrication and cast-in-place

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