Shuttering structural component for casting concrete in site

Abstract

The present invention relates to a form member for in-situ casting concrete. It includes top plate, peripheral side plate, lower bottom and hollow cavity formed from the above-mentioned top plate, peripheral side plate and lower bottom. In the hollow cavity at least is set a rod mould whose upper and lower openings are formed into a pouring hole for in-situ casting concrete. It is characterized by that on the lower bottom at least one positioning structure or one fixing device is set, so that it can raise construction speed and construction quality. Said invention is applicable to various cast-in-situ concrete floor, roof, wall body, foundation bedplate and structure of road and bridge engineering, specially applicable to hollow beamless floor.

Description

(1) Technical field [0001] The invention relates to a formwork component for cast-in-place concrete. (2) Background technology [0002] At present, the cast-in-place concrete floor is a widely used floor structure. The lightweight permanent tire mold filled in it has various hollow tubes and boxes, and the boxes are hollow or solid. For example, the patent No. ZL00203695.9 applied by Liang Jun, Shijiazhuang City, Hebei Province on February 23, 2000, is called the utility model patent of "combined concrete concealed rib floor cover", and a formwork member is disclosed in its specification sheet. It can be solid or hollow, and its shape can be made into rectangle, circle, polygon and other shapes according to design requirements. Another example is the patent No. ZL01206422.X invented and applied by Guiyang Ma Kejian et al., and the name is the utility model patent of "built-in formwork for fasting sandwich panels". The built-in formwork is solid, and the formwork is solid fo...

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Problems solved by technology

For this reason, the applicant applied for an invention patent with the publication number CN1415816A on December 15, 2002, entitled "A Lightweight Permanent Tire Mold for Concrete Filling", which includes a top plate, surrounding side plates, a lower bottom, and a cavity , the top plate, the surrounding side plates, and the lower bottom form a cavity with each other, and at least one rod formwork with upper and lower openings to form cast-in-place concrete pouring holes is arranged in the cavity. After the formwork components are applied to the floor structure, the cast-in-place concrete After entering the hole of the bar formwork, after being solidified and hardened, a cast-in-place concrete column or pier is formed, thereby forming the force-bearing and force-transmitting components of the floor in the formwork components, which greatly improves the mechanical properties of the floor, especially The shear and torsional performance of the floor is greatly improved, but when the formwork components are laid out, the positioning of the lightweight tire formwork components is inconvenient and prone to misalignment, which affects the construction quality of the hollow floor and also affects construction efficiency, therefore, it is urgently needed to develop a new type of formwork member for cast-in-place concrete

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