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Production process of UHPC facing integrated prefabricated concrete member

A technology of prefabricated concrete and production technology, applied in the direction of manufacturing tools, ceramic molding machines, ceramic molding cores, etc., can solve the problems of prolonging the construction period, poor integrity, and increasing construction links, etc., to prevent cracking, strong integrity, and increase strength Effect

Pending Publication Date: 2021-09-24
上海城建建设实业集团新型建筑材料有限公司
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AI Technical Summary

Problems solved by technology

[0004] At present, the existing UHPC decorative panels on the market are all in the form of external hanging. After the main body of the building is completed, the secondary construction of the appearance of the decorative surface needs to be carried out, which increases the construction process, prolongs the construction period, and increases the construction cost; UHPC exterior decoration The effect of surface modeling is relatively regular, which increases the construction period of the exterior surface and increases the overall cost of construction. The integrity is poor. Since the exterior surface is hung after the second construction, it is connected to the main body only by buckles or connectors. security risks

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  • Production process of UHPC facing integrated prefabricated concrete member

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specific Embodiment approach

[0021] like figure 1 A specific embodiment of the UHPC facing integrated precast concrete component production process of the present invention is shown, including the following steps:

[0022] A) Reverse molding of UHPC veneer layer: According to the design requirements of the veneer, the corresponding steel molds, including the bottom mold and the mold core, are processed and produced, and the connecting ribs in the veneer are bound according to the requirements of the outer veneer shape of the drawings. , Bind the inner stirrups and long bars of the UHPC facing layer to the inner mold core, and use a spacer to ensure the thickness of the outer protective layer of the steel bar, and then fix it in the bottom mold with the mold core, and reserve UHPC decoration. The space for the surface layer to be formed, and the stirred UHPC slurry is poured from the side of the cavity reserved for the UHPC facing layer into the cavity reserved for the UHPC in the bottom mold until it emer...

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Abstract

The invention discloses a production process of a UHPC facing integrated prefabricated concrete member. The production process comprises the following steps of reverse beating forming of a UHPC facing layer, core demolding, light material filling, steel bar binding, concrete structure layer pouring and demolding maintenance. According to the production process of the UHPC facing integrated prefabricated concrete member, the UHPC layer and a PC layer are connected into a whole through ribs, integrated forming is achieved on a production line, the integrity of the facing layer is high, the large-area integral facing effect can be achieved, the facing layer and a structural layer are tightly combined, the secondary construction procedure of the facing layer on the construction site is reduced, the construction period is shortened, and the construction cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of construction, and in particular relates to a production process of a UHPC veneer integrated precast concrete component. Background technique [0002] PC (prefabricated concrete structure) is mainly a structure formed by prefabricating and maintaining the design components in the factory, transporting them to the construction site, and using mechanical hoisting methods or combined with cast-in-place. UHPC (Ultra High Performance Concrete) is a special concrete with super high strength, super low water absorption, super durability and erosion resistance. The compressive strength of UHPC currently used in the field of architectural design (different from the field of structure) is greater than 120, and the flexural strength is greater than 25MPa. Although UHPC can achieve high compressive strength, for thin building components, the flexural strength of UHPC is mainly used. In practical applications, the ul...

Claims

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Application Information

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IPC IPC(8): B28B1/52B28B1/04B28B1/093B28B23/02B28B7/28B28B11/24
CPCB28B1/52B28B1/045B28B1/0935B28B23/02B28B23/024B28B7/28B28B11/245Y02T50/40
Inventor 云正王华炯马帅征
Owner 上海城建建设实业集团新型建筑材料有限公司
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