Excellent Molding Effect: Bridge deck formwork ensures smooth, even, and precise surfaces, reducing defects and imperfections on the concrete surface. This enhances the aesthetic quality and overall performance of the bridge structure. For instance, steel formwork has a dense and smooth surface, with strong alkali resistance and excellent resistance to common acidic compounds, ensuring a beautiful concrete surface finish.
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High Structural Stability: Through precise dimensions, shapes, and reasonable structural design, bridge deck formwork provides stable support, ensuring the structural stability of the bridge during both construction and use. This helps reduce deformation and cracking.
Easy Installation and Dismantling: Many bridge deck formwork systems adopt modular or combinatory designs, such as the combined steel formwork system. These systems allow for quick and easy installation and dismantling, significantly reducing construction time and improving overall efficiency. For example, aluminum alloy formwork systems are lightweight (approximately 20kg), simple to assemble manually without the need for machinery, and offer fast turnaround for workers.
High Reusability: Bridge deck formwork is designed for multiple uses, providing a high turnover rate that reduces the cost of usage. For example, steel formwork can be reused many times, and aluminum formwork can be reused up to 300 times when managed and used according to procedures.
Lower Material Costs: Compared to traditional wooden formwork, bridge steel formwork has a longer lifespan, supporting more cycles of reuse and reducing resource waste. This lowers the procurement and replacement costs of the formwork.
Reduced Labor Costs: Due to easy installation and disassembly, and the possibility of mechanical operation for some systems, the amount of manual labor required is reduced, helping to decrease labor costs.
Reduction of Resource Waste: The reusability of bridge deck formwork minimizes the consumption of natural resources such as timber, aligning with the principles of green construction.
The bridge formwork is a structural part specially used for the construction of railway or highway bridges. It is a temporary supporting structure. It must be made according to the design requirements, so that the concrete structure and components can be formed according to the specified position and geometric size, and the correct position can be maintained. Withstand the self-weight of the formwork and the external loads acting on it.
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For the construction of cast-in-place reinforced concrete structures with bridge steel formwork, large-scale formwork for beams and columns can be assembled in advance according to the design requirements, and the method of dismantling in bulk can be adopted.
Bridge formwork is widely used in construction projects. It is a temporary support structure and needs to be made according to the design requirements, so that the concrete structure and components can be formed according to the specified position and geometric size, maintain their correct position, and withstand the dead weight of the building formwork and External loads acting on it.
Due to the lack of timber resources in China, driven by the policy of "replacing wood with steel", China has successfully developed advanced construction technology for bridge steel formwork, reformed the formwork construction process, and saved a lot of wood.
China's building structure system has developed greatly, with a large number of high-rise buildings, super high-rise buildings and large public buildings being built, large-scale infrastructure construction, and the rapid development of urban transportation, expressways and railways. A new request was made.
When the bridge formwork is assembled, the connecting parts should be placed according to the regulations, and the spacing and specifications of the purlins and the tension bolts should be set according to the design requirements. When designing the building formwork and support system, its own weight, construction load and concrete weight and the lateral pressure generated during pouring and tamping should be fully considered to ensure that the building formwork and support have sufficient bearing capacity, stiffness and stability.
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