Prestressed hollow slab with variable rib widths
A hollow-core slab and prestressed technology, which is applied to floor slabs, building components, buildings, etc., can solve the problems of constant rib beam width, mid-span bending moment difference attenuation, and constant quantity, so as to facilitate construction and reduce structural Cost-effective, light-weight effect
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[0033] The present invention is implemented in the following way:
[0034] in Figure 1-Figure 4 , Figure 6-Figure 8 In the illustrated embodiment, a prestressed hollow slab with varying rib widths is a two-way slab. The hollow slab includes upper rebars (1), lower rebars (2), rib beams (3), and prestressed The reinforcement (4), filling material (5), concrete (6), and filling material (5) are located between the upper rebar (1) of the slab and the lower rebar (2), and are permanently buried in the concrete (6), rib beam (3) Equipped with stirrups (7) and prestressed tendons (4), the upper slab reinforcement (1) is arranged on the upper part of the rib beam (3) and the filling material (5), and the lower slab reinforcement (1) is arranged respectively On the lower part of the rib beam (3) and the filling material (5), the hollow slab is provided with two regional boundary lines (8) along the long span direction. The regional boundary line (8) divides the hollow slab into 3 areas...
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