A kind of dense rib support-free unit formwork device and installation method
A formwork and dense rib technology, applied in floors, buildings, building components, etc., can solve the problems of time-consuming, labor-intensive, and poor fire resistance, and achieve the effect of reducing on-site construction procedures, improving construction efficiency, and convenient transportation.
Active Publication Date: 2021-12-10
天津洪晟基业建材有限公司
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Problems solved by technology
The construction of ordinary reinforced concrete cast-in-place beam and slab structures has high technical requirements for workers, high labor intensity, high wood consumption, easy deviation of beam cross-sectional dimensions, poor seismic performance, the need to use a lot of scaffolding, a large amount of construction waste, and fire-resistant time Shorter, poor fire resistance and other issues
Moreover, it is cumbersome and time-consuming to bind the reinforcement cage between the formwork on site.
Method used
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[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and through specific embodiments. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.
[0032] A dense-ribbed branch-free unit formwork device, comprising a unit formwork frame 1, a formwork shell 2, a steel cage 4 and a fixing piece 3, the unit formwork frame is a grid-like grid, and the formwork shells are laid on its upper surface in sequence, so that Fixers are evenly distributed at intervals on the reinforcement cage, and the reinforcement cage is arranged on the flange of the formwork, and the reinforcement cage, the unit formwork frame and the formwork are connected to form a whole by the fixation piece;
[0033] The unit formwork frame includes supporting horizontal square steel 1-4, connecting strip square steel 1-1, beam bar 1-6 and angle steel 1-5, and the side walls of the su...
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The invention relates to a dense-ribbed branch-free unit formwork device, which includes a unit formwork frame, a formwork shell, a steel cage and fixing parts. Fasteners are evenly distributed on the reinforcement cage at intervals, and the reinforcement cage is arranged on the flange of the formwork, and the reinforcement cage, the unit formwork frame and the formwork are connected to form a whole through the fixtures. The present invention also provides a method for installing a dense-ribbed branch-free unit formwork device, which is convenient for installation, can be assembled on site, can be reused, and reduces construction costs. The construction process, and the splicing and fixing are convenient, and can be recycled in the construction of densely ribbed beam floors.
Description
technical field [0001] The invention belongs to the technical field of construction, and relates to dense-rib formwork technology, in particular to a dense-rib branch-free unit formwork device and an installation method. Background technique [0002] In the past ten years, concrete ribbed beam floors have been widely used in construction projects in my country. This type of floor has the characteristics of low height of floor structure, light weight of floor, less amount of cast-in-place concrete and steel bars, fast construction period, suitable for large-span structures, etc., so it is widely used in large shopping malls, exhibition halls, cultural and sports High-rise commercial and public buildings such as halls, warehouse buildings, libraries, underground structures, teaching buildings, office buildings, etc., especially commonly used in structural types with large space, large span, and high headroom requirements. [0003] There are mainly two types of ribbed roofs, o...
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IPC IPC(8): E04B5/18
CPCE04B5/18
Inventor 徐洪兵孙建军
Owner 天津洪晟基业建材有限公司