Composite plate

Abstract

The invention discloses a composite plate, which comprises reinforced concrete (1) and a reinforced concrete ribbed prefabricated plate (2), wherein the reinforced concrete ribbed prefabricated plate (2) is arranged at the bottom of the composite plate and comprises a reinforced concrete strip-shaped bottom plate (3) and a reinforced concrete longitudinal long rib (4). The composite plate is characterized in that the longitudinal long rib (4) is internally provided with longitudinal or transverse reinforcing steels (5); the reinforcing steels (5) are prestressed reinforcing steels exposed outside a longitudinal long rib (4) body from a pit (6) and / or a groove (7) and / or a hole (8) on the longitudinal long rib (4) to form a bidirectional structure carrying composite plate combined with cast-in-situ and prefabrication; the reinforcing steels (5) are arranged in the bottom plate (3) and are the longitudinal reinforcing steels and are exposed from a composite surface; rib exposed points are arranged on different longitudinal reinforcing steels (5) and on the same transverse straight line; and a composite plate supporting member (10) is arranged on the strip-shaped bottom plate (3).

Description

[0001] This application is a divisional application of an invention patent application with the filing date of December 7, 2007, the application number of 2007101994137, and the title of "a laminated board". (1) Technical field [0002] The invention relates to a laminated board. (2) Background technology [0003] At present, the reinforced concrete floor slabs used in China include cast-in-place floor slabs and prefabricated floor slabs. The cast-in-place floor slabs have good integrity, but they need to be molded on site, and then concrete is poured. The construction period is difficult, the loss of the formwork is large, and the cost is high. formwork, short construction period and low cost, but the prefabricated components are self-heavy, difficult to hoist, cracks are prone to occur at the splicing parts of the components, and the integrity is poor, such as the patent No. ZL0322765. A reinforced concrete prefabricated component. The prefabricated component is composed o...

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Problems solved by technology

[0003] At present, the reinforced concrete floor slabs used in China include cast-in-place slabs and prefabricated slabs. The cast-in-place slabs have good integrity, but they need to be molded on site, and then concrete is poured. The construction period is difficult, the loss of the formwork is large, and the cost is high. formwork, short construction period and low cost, but the prefabricated components are self-heavy, difficult to hoist, cracks are prone to occur in the splicing parts of the components, and the integrity is poor, such as the patent No. ZL0322765. A reinforced concrete prefabricated component. The prefabricated component is composed of slabs and ribs, and the ribs have holes for passing steel bars. The thickness of the slab is large, which greatly reduces the effective height of the steel bars placed in the cast-in-place concrete, which affects the floor. Two-way force balance, it is difficult to form an equivalent two-way plate, etc.

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