Welded Wire Fabric Concrete Reinforcement

Welded wire fabric properties for reinforced concrete.
Welded wire fabric concrete reinforcement. Welded reinforcement concrete mesh is one heavy type welded wire mesh products widely used in concrete construction and buildings. Rolls 6x6 w1 4x 1 4 6x6 10x10. Common stock styles of welded wire fabric exact w number size for 8 gauge is w2 1. When concrete is first placed moisture will evaporate from the surface.
What first must be understood is the function of synthetic fibers and welded wire fabric. Cracks in concrete reinforcing products or soft ground is used for the purpose of reinforcing the foundation. Welded wire reinforcing mesh is made from steel wire welded together in a square grid pattern. By w number by steel wire gauge longit.
Concrete reinforcement style designation steel area weight new designation old designation sq. 2 ft in x y. I advise welded wire fabric 6x6x10x10 mesh 6 x6 pattern with 10 gauge wire both directions low slump concrete which means poured pretty dry not a lot of water mixed in 3 000 psi concrete air entrained little air bubbles in the cured concrete allowing water freeze expansion to fill the air bubbles instead of expanding inside. Weight lb 100 ft 2 6 x 6 w2 9 x w2 9.
Ca prop 65 pdf. David simpson p e secb. 4 x 4 w2 1 x w2 1. Wires for welded wire reinforcement smooth wire astm a185 style designation.
The main factor responsible for the bonding of concrete is the peripheral. Opinions differ when considering if synthetic fibers can replace welded wire fabric. Mesh rolls are an economical way to provide concrete reinforcement for a larger slab project. My first response to home owners is turn and run from any contractor who tells you all you need is fiber mesh because it s stronger than wwf.
As a licensed concrete and brick mason in the city of chicago i m often asked what the difference is between fiber mesh and wwf welded wire fabric when giving estimates. Advantages of welded wire fabric in concrete 1. 6 x 6 w4 x w4. Exact w number size for 2 gauge is w5 4.
The higher strength is due to the characteristic strength of welded wires. The structural behaviour of welded wire fabric is the same as that of hysd bars or plain mild steel bars. Welded reinforcement concrete mesh. Can fiber reinforcing replace welded wire fabric in concrete slabs.