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Concrete Reinforcement Welded Wire Mesh Introduction:
Welded reinforcing mesh also known as welded wire reinforcement, is a kind of mesh reinforcement. Reinforcing mesh is a high efficient, economical and flexible for concrete reinforcement, greatly save the construction time and reducing the labor force. It is widely used in road and highway construction, bridge engineering, tunnel lining, housing construction, floor, roof and walls, etc.
Concrete Reinforcement Welded Wire Mesh Features:
· The welded wire fabric makes them easier to work on.
· There are different diameters of steel reinforcing mesh each suited for a particular application.
· There are different designs of steel reinforcing mesh from bent and rolls to flat sheets.
· As per BS 4482 standards and codes, the stainless steel wire used in the manufacture of the steel reinforcing mesh has a 510MPa tensile strength and 485MPa minimum proof stress.
· The steel reinforcing mesh is rigid making it possible for you to control concrete cover during construction.
· Manufacturers produce steel reinforcing mesh under SANS1024 Standard Specifications.
· The steel bars stay intact whenever immersed in concrete because they are carefully welded in mats.
· You don’t have to apply additional surface treatment to the steel reinforcing mesh before use.
· Less field labor needed when making reinforced concrete slabs using this mesh thus drastically speeding up the construction process.
· The mesh is easy to load and unload, and easy to handle at the working site.
· Properly mixed concrete is poured into the mesh and then given time to dry out. The concrete, as it continues to dry out, it grips the steel bars tightly creating a bond stress between these two materials. This bond stress is essential because it reduces bending and makes reinforced concrete slabs stronger.
1.used in the highway concrete pavement engineering;
2.used in bridge engineering,mainly used in municipal bridge and highway bridge deck pavement,old bridge,bridge pier crack,etc.
3.used in tunnel lining
Concrete Reinforcement Welded Wire Mesh Specifications:
1.GERMAN STANDARD DIN488 (SIZE:2150MMX5000MM)
Ref No. | Std Unit | Longitudinal Wires(mm) | Cross Wire(mm) | Pitch of Wire (mm) | Mass(Kg) | Mass(Kg/m2) |
Q131 | Sheet | 5 | 5 | 150x150 | 22.476 | 2.091 |
Q181 | Sheet | 6 | 6 | 150x150 | 32.401 | 3.014 |
Q221 | Sheet | 6.5/5.0 | 6.5 | 150x150 | 33.707 | 3.316 |
Q295 | Sheet | 7.5/5.5 | 7.5 | 150x150 | 44.245 | 4.116 |
Q378 | Sheet | 8.5/6 | 8.5 | 150x150 | 66.659 | 5.157 |
2.Australia/New Zealand Standard AS/NZS 4671:2001(SIZE:6000X2400mm)
Ref No. | Std Unit | Longitudinal Wires(mm) | Edge wires (mm) | Cross Wires(mm) | Mass(Kg) |
SL81(F81) | Sheet | 7.6 @100 | 7.60 @100 | 7.60 @100 | 105 |
SL102(F102) | Sheet | 9.5 @200 | 6.75 @100 | 9.50 @200 | 80 |
SL92(F92) | Sheet | 8.6 @200 | 6 @100 | 8.60 @200 | 66 |
SL80(F82) | Sheet | 7.6 @200 | 5.37 @100 | 7.60 @200 | 52 |
SL72(F72) | Sheet | 6.75 @200 | 4.77 @100 | 6.75 @200 | 41 |
SL62(F62) | Sheet | 6 @200 | 4.77 @100 | 6 @200 | 33 |
SL52(F52) | Sheet | 4.77 @200 | 4.77 @100 | 4.77 @200 | 21 |
3.BRITISH STANDARD BS4483
Ref No. | Std Unit | Longitudinal Wires(mm) | Cross Wires(mm) | Pitch of wire(mm) | No. of sheet per ton | Mass(kg/m2) |
A393 | Sheet | 10 | 10 | 200x200 | 15 | 6.16 |
A252 | Sheet | 8 | 8 | 200x200 | 22 | 3.95 |
A193 | Sheet | 7 | 7 | 200x200 | 29 | 3.02 |
A142 | Sheet | 6 | 6 | 200x200 | 40 | 2.22 |
A98 | Sheet | 5 | 5 | 200x200 | 57 | 1.54 |
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