3D force bearing mould case for steel reinforced concrete

Abstract

A three-dimensional stressed reinforce concrete framework, it includes upper plate (1), surrounding wall (2) and lower board (3). The three parts are connected by each other to form the seal cavity (4), and there is at least one rod component (5) in the cavity. The characteristic of this invention is that the rod component is composed of the curved rod, folded rod, and line, cross straight rod and so on, variable cross solid straight rod, upper gap cavity rod or the combination of them, or the combination of variable cross cavity straight rod and the above rod. The exposed reinforcement rib of anchor stretches out from the centre of the upper plate. It applies to the floor, roof, base board, wall and bridge which are constructed with pouring reinforced concrete or prestressed reinforced concrete, and it specially applies to the cavity concrete floor engineering.

Description

[0001] This application is a divisional application of an invention patent application with an application date of April 30, 2002, an application number of 02117551.9, and a title of "a three-dimensional load-bearing formwork for reinforced concrete". (1) Technical field [0002] The invention relates to a three-dimensional load-bearing formwork for reinforced concrete. (2) Background technology [0003] At present, most buildings with brick-concrete structure and frame structure use prefabricated hollow-core slabs as floor slabs, which have the advantages of fast construction speed and low cost. However, because there is no firm connection between two adjacent prefabricated hollow slabs, only cement mortar is used to fill the joints, so the integrity is poor, which is not conducive to earthquake resistance, and cracks and water seepage often occur in the gaps. In order to solve the above problems, many buildings adopt the method of cast-in-place concrete floor slabs (solid ...

AI Technical Summary

Problems solved by technology

Similarly, this kind of plastic formwork only considers that the top plate of the formwork is not easy to be damaged or only meets the requirements of construction compressive loads. Although the hollow rods with conical downward openings can be conveniently stacked and transported, it does not consider the formwork. It is designed as the main load-bearing component and combined with the cast-in-place concrete structure to form a common three-dimensional force-bearing structural system to resist various complex external forces, especially the up-and-down pull force and horizontal shear force that cannot be resisted in the formwork.

Images