Rebar truss floor bearing plate
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  • Rebar truss floor bearing plate

Rebar truss floor bearing plate

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Detail

The truss formed by using steel bars as the upper chord, lower chord and web rod, connected by resistance spot welding, is called a steel truss.

The combined load-bearing plate of the steel truss and the bottom plate are connected into a whole by resistance spot welding, which is called the steel truss floor bearing plate.

Advantages and disadvantages of use

Advantages: It realizes mechanized production, which is conducive to uniform spacing of steel bars, consistent thickness of concrete protective layer, and improves the construction quality of floor slabs. The prefabricated steel truss floor bearing plate can significantly reduce the amount of on-site steel bar lashing engineering, accelerate the construction progress, increase the construction safety guarantee, and realize civilized construction. The prefabricated formwork and connecting parts are easy to disassemble and assemble, can be reused many times, save steel, and meet the requirements of national energy conservation and environmental protection. The products independently developed by steel structure are equipped with automatic production equipment, which greatly improves labor productivity, effectively reduces product costs, and compiles product production enterprise standards, design manuals, node construction drawings and construction manuals. The product has passed the test of Zhejiang University Civil Engineering Test Center, and has undergone a number of engineering applications, and the performance can meet the requirements of bearing capacity and deformation of cast-in-place reinforced concrete floor slabs.

Disadvantages: Easy to damage during transportation.

Entry check Quality acceptance criteria

Visual inspection and measurement: batch products should have factory inspection certificate, plate flatness should be less than 3mm, and there should be no obvious convex and uneven, twisted and deformed. The thickness of the galvanized layer should be greater than 120g/m2, and the surface of the plate should not have scratches, scratches, and residual welding slag. The solder joint should be firmly opened, and there should be no false welding, welding deviation, and missing welding. The surface of the product should not have pollutants that affect cement solidification, and the anti-rust plastic film of the packaging cannot be oxidized, and should be preserved from light and packaged in good condition. The diameter size of the rebar should meet the standard.

Approved "Steel Truss Floor Bearing Plate" as a product standard for the construction industry, numbered JG/T368-2012, and implemented from August 1, 2012. The current national standard for steel truss floor deck is "People's Republic of China Construction Industry Standard JGT368-2012 Steel bar truss deck".

This standard specifies the terms and definitions, marks and examples, materials, requirements, test methods, inspection rules, markings, packaging, transportation and storage of steel truss floor bearing plates

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