Year1
- 底板宽度：
- 576mm 600mm
- 桁架高度：
- 70mm-350mm
- 底板厚度：
- 0.5mm
Guangzhou Zhenyu is one of the largest steel truss floor decking manufacturers in China and has a variety of steel truss floor decking production lines. Advanced plate shapes, complete specifications, and affordable prices have absolute advantages. The main product models are:,
1. Economic and technical advantages of steel truss floor decking
Fast construction speed
Reinforced steel truss floor decking is directly supported on steel beams or concrete beams and is itself both the stress-bearing steel bar of the concrete floor slab and Construction scaffolding is a formwork for concrete floor slabs, saving time in erecting scaffolding and supporting formwork.
The steel truss floor decking realizes the cutting, positioning and shaping of steel bars in the factory and the fixed-length steel bar waste. It is conducive to environmental protection. The construction site only needs to arrange transverse distribution bars and connecting bars. The workload of steel bar binding can be reduced by %. Overall construction speed.
The reinforced truss floor deck is directly supported on the floor beams. The reasonable stress mode of the truss provides a spacious and safe working platform for multiple types of work. Pouring of concrete and other types of work can be multi-layered and three-dimensional. Floor slabs can be poured in multiple layers at the same time. It can give full play to the advantages of commercial concrete and greatly shorten the construction period, especially for large-scale high-rise and super high-rise buildings.
Good mechanical performance
The dead weight of the concrete floor slab is completely borne by the steel bars, and no tensile stress is generated in the concrete. During the use stage, the tensile stress of the concrete in the negative and positive bending moment areas is significantly reduced. The crack width is reduced and the existence of galvanized steel plates is reduced. Avoiding exposed cracks under the slab improves the performance and durability of the slab.
After using the steel truss floor deck, the floor can be designed as a two-way slab according to needs, which is equivalent to the traditional cast-in-situ reinforced concrete two-way reinforced floor slab. However, the profiled steel plate composite floor slab is difficult to achieve two-way slabs. The use of two-way slabs not only reduces the The thickness of the floor structure layer reduces the structural weight, increases the span and bay, and is more economical and reasonable. The steel bars are completely wrapped in concrete and have reliable fire resistance equivalent to traditional cast-in-place floor slabs. The test results indicate that when the thickness of the floor slab is thick (the corresponding steel truss height is), the fire resistance time limit is . hours, the galvanized steel plate does not require fire protection.
The steel truss floor bearing plate is made of galvanized steel plate with anti-corrosion function, but the role of galvanized steel plate is not considered during the use stage and no anti-corrosion treatment is required. Compared with profiled steel plate composite floor slabs, reinforced truss floor slabs have superior corrosion resistance.
The overall rigidity of the floor slab is large, the vibration is small, and the sound insulation performance is good. The lower surface of the floor slab is flat and easy for construction and decoration. The construction deflection of the steel truss floor deck is smaller than the deflection of the traditional profiled steel plate floor.
Good economy
The lower surface of the steel truss floor deck is smooth and beautiful, no molded pressure plate ribs are needed, and the expanded area utilization rate of the corrugated galvanized sheet can reach % and the thickness only needs. Compared with the ordinary profiled steel plate with a thickness of .~., the purpose of the profiled steel plate has been changed. It is only used as a template for the floor construction stage. The thickness of the steel plate and the thickness of the galvanized layer are reduced. The amount of floor steel plate per unit area is reduced, and the cost is reduced. It has better performance. economy.
The total thickness of the steel truss floor deck can be reduced compared to the concrete floor slab using ordinary profiled steel plates, and the building height can be reduced with the same clearance requirements. It has obvious investment saving advantages for high-rise buildings and buildings in earthquake-resistant areas.
The power consumption of galvanized steel plate is greatly reduced. Thick on-site stud penetration welding reduces the demand for electricity on site and saves energy. After the concrete construction of the floor slab is completed and reaches the design strength, the galvanized steel plate can be dismantled and recycled, which not only meets the needs of the bottom surface of the structural floor but is also beneficial to environmental protection.
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