Shuttering structural piece with reinforcing ribs

Abstract

A stiffened rib formwork component includes top plate, surrounding plate, bottom, stiffened rib, the top plate, surrounding sidewall and bottom form a sealed cavity with the stiffened rib in it, characterizing in thin plates at both sides of the stiffened rib, one or more bars between the thin plates of both sides connecting with the bar to make up a compound stiffened rib with outer thin plate and inner bar, which makes the formwork component of high intensity, good stress and transfor, light in weight, and suitable for hollow structure of building covers or walls and roads or bridges in industrial or civil use.

Description

(1) Technical field [0001] The invention relates to a stiffening rib formwork member, which is suitable for hollow buildings (roofs) covers, hollow walls and hollow structures of road bridges in industrial and civil buildings. (2) Background technology [0002] At present, most buildings with brick-concrete structure and concrete structure use prefabricated hollow-core slabs as floor slabs. This kind of floor slab has the characteristics 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 and hollow). Although the problems of earthquake resistance and cracking have been solved, a large number of templates ar...

AI Technical Summary

Problems solved by technology

For example, the densely ribbed floor is usually poured with a detachable all-plastic formwork, and the formwork is removed after the concrete is solidified. Although the floor structure formed in this way can reduce its own weight, it also has the following disadvantages : 1. The formwork performance of the floor will be affected after the formwork is removed. For example, the upper part of the floor is prone to cracks, and the bottom of the floor slab is not a complete plane; 2. In some occasions, it needs to be supplemented by a suspended ceiling, which requires many procedures, troublesome construction, and a long period. Time-consuming and troublesome; 3. High project cost: Although the formwork is removed and used for turnover, the depreciation fee for each piece is more than 120 yuan each time, and it can only be used 4-6 times; the ceiling and plastering will cost more

However, the stiffeners in this kind of formwork components are not considered to participate in the force bearing and transmission of the overall floor. If they are considered to participate in the force bearing and force transmission, the stiffeners must be made larger in size, resulting in heavy weight of the formwork components, The material consumption is large, the cost is high, etc. Therefore, it is urgent to develop a new type of stiffener formwork member

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