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Reinforcing mesh sheets

Reinforcing mesh is generally used for concrete reinforcing on house foundations, floor slabs and brick walls.

Features

Welded mesh fabric mats are the most commonly used form of prefabricated reinforcement and is particularly suitable for flat slab construction and concrete surface beds. Other designed applications include:

  • Retaining and shear walls
  • Beams and columns
  • Concrete paving overlays
  • Precast concrete elements
  • Suspended floor slabs
  • Swimming pool and gunite construction

Welded mesh fabric mats can be detailed as either flat or bent sheets, depending on the job requirements.

Welded mesh fabric reinforcement considerably reduces construction time.

SANS 1024:2006 designated fabric mats are standard welded reinforcement mats and can be scheduled simply by reference to the fabric type, sheet dimensions and bending shape codes. (The reference is the nominal mass of the fabric in kg/m2 x 100).

The cold-rolled deformed wire used in welded mesh fabric has a characteristic strength (0.2% proof stress) a minimum of 485MPa compared to 450MPa for high tensile rebar. Fabric may be used at higher stresses than high tensile rebar resulting in a material saving of up to 8%.

Important design criteria

Placing of Fabric
In order to obtain the best results when using fabric reinforcement, special care must be taken to ensure that the mesh is positioned and maintained at the correct depth after the concrete pour. This can be done by using stools or plastic or concrete spacers. Another option is to place the fabric on poured concrete that has been leveled to the desired reinforcement depth. After placing the mesh the concrete can be topped up to the specified overall slab thickness.
Ideally fabric must be located 50mm from the top of the slab and where bottom steel is required,, it must also be supported 50mm above the substrate.

Lapping of Fabric Mats
It is recommended that in calculating the lap requirement for surface bed welded mesh fabric reinforcement that the formula shall be 25 x diameter + 150mm or 300mm, whichever is the greatest.

Quality
The welded mesh fabric is manufactured under strict quality controls with all standards conforming to GB/T 9001-2008/ ISO 9001:2008 standard specifications and tolerances and carries the certification mark.

Reinforcing mesh rolls Precast applications

Welded mesh fabric reinforcement standard fabrics:

  Mesh Size 
Nominal Pitch of wire
Wire Sizes Cross Sectional 
area/m width
Nominal
mass/m2
 
Main mm Cross mm Main mm Cross mm Main mm Cross mm Kg Supplied in
Square Mesh
Fabric
200 200 12 12 566 566 8.88 Sheets
only 
6m x 2.4m
200 200 11 11 475 475 7.46
200 200 10 10 393 393 6.17
200 200 9 9 318 318 5.00
200 200 8 8 251 251 3.95
200 200 7.1 7.1 198 198 3.11
200 200 6.3 6.3 156 156 2.45
200 200 5.6 5.6 123 123 1.93 Sheets or rolls
200 200 4 4 63 63 1.00
Design Mesh
Fabric
100 200 12 8 1131 251 10.85 Sheets only
6m x 2.4m
100 200 11 8 951 251 9.43
100 200 10 7.1 786 198 7.72
100 200 9 7.1 636 198 6.55
100 200 8 6.3 503 156 5.17
100 200 7.1 6.3 396 156 4.33
100 200 6.3 5.6 312 123 3.41
100 200 5.6 5.6 246 123 2.89
Longitudinal
Mesh Fabric
100 300 6.3 4 312 42 2.78 Sheets only 
6m x 2.4m
100 300 5.6 4 246 42 2.26
100 300 4 4 126 42 1.33 Sheets or rolls
60m x 2.4m
Special Mesh 100 100 4 4 126 126 2.00
100 100 3.55 3.55 99 99 1.56

Structural fabric reinforcement design data
Cross sectional areas at various spacing mm2/m, mass at various spacing kg/m2

DIA
mm
Area
mm2
Mass
kg/m
Wire Spacing mm
50 75 100 125 150 175 200 225 250 275 300 DIA
12 113.11   2262 1508 1131 905 754 646 566 503 452 411 377 12
  0.888 17.76 11.84 8.88 7.1 5.92 5.07 4.44 3.95 3.55 3.23 2.96
11 95.05   1901 1267 950 760 634 583 475 422 380 346 317 11
  0.746 14.92 9.95 7.46 5.97 4.97 4.26 3.73 3.32 2.98 2.71 2.49
10 78.55   1571 1047 786 628 524 449 393 349 314 286 262 10
  0.617 12.34 8.23 6.17 4.94 4.11 3.53 3.09 2.74 2.47 2.24 2.06
9 63.63   1273 848 636 509 424 364 318 283 255 231 212 9
  0.500 9.99 6.67 4.99 3.99 3.33 2.86 2.5 2.22 2.00 1.82 1.67
8 50.27   1005 670 503 402 335 287 251 223 201 183 168 8
  0.395 7.9 5.27 3.95 3.16 2.63 2.26 1.98 1.76 1.58 1.44 1.32
7.1 39.6   792 528 396 317 264 226 198 176 158 144 132 7.1
  0.311 6.22 4.15 3.11 2.49 2.07 1.78 1.56 1.38 1.24 1.13 1.04
6.3 31.18   624 416 312 249 208 178 156 139 125 113 104 6.3
  0.245 4.9 3.27 2.45 1.96 1.63 1.40 1.23 1.09 0.98 0.89 0.82
5.6 24.63   493 328 246 197 164 141 123 109 99 90 82 5.6
  0.193 3.86 2.57 1.93 1.54 1.29 1.11 0.97 0.86 0.78 0.71 0.64
4 12.57   251 168 126 101 84 72 63 56 50 46 42 4
  0.099 1.98 1.33 1 0.8 0.67 0.57 0.5 0.44 0.4 0.36 0.33
If you need to consult the price, please contact the business department by e-mail:
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E-mail: ailsa@hncwiremesh.com

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