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Box girder formwork is a specialized standardized steel formwork for the construction of cast-in-place or prefabricated box girder concrete in bridge engineering. It is the core construction tool for the upper structure of bridges, used to restrain the standardized newly poured concrete, withstand the lateral pressure, self weight, construction live load, and wind load of concrete, ensure the cross-sectional dimensions, top and bottom plate linearity, flatness, and structural accuracy of box girders, and control the quality of concrete forming.
The template body is made of high-quality Q235B steel plate and consists of panels, stiffeners, back ribs, flange connection plates, tension bolts, support systems, and adjustable supports. According to the construction process, it can be divided into prefabricated box girder formwork and cast-in-place box girder formwork, which can be adapted to various structural forms such as single box single room, single box multi room, variable cross-section box girder, etc. The template adopts modular design, with tight joints, high rigidity, and small deformation, which can effectively prevent leakage and misalignment. After pouring, the surface of the box girder is smooth and straight.
This template is easy to disassemble and can be reused. It is suitable for various construction processes such as precast beam field pedestal construction, bracket cast-in-place, hanging basket suspended casting, etc. It can improve the efficiency of box girder construction, ensure the appearance and internal quality of the beam body, and is widely used in engineering projects such as highways, railway bridges, interchanges, and municipal elevated bridges.
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Q: What is prefabricated box girder steel formwork?
Answer: Prefabricated box girder steel molds are used to prefabricate standard box girder segments in the factory area, which is conducive to the rapid construction and quality control of bridges.
Q: Are post tensioned box girder templates produced?
Answer: Production. Our post tensioned box girder template integrates corrugated pipes and anchor boxes, suitable for cast-in-place post tensioned prestressed box girders.
Q: What is segmental box girder formwork?
Answer: The segmental box girder formwork is used for pouring segmental box girders in cantilever assembly or span by span construction.
