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Minimum Strength Requirements of Mesh and Connections
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Test Descriptions |
Gabions - Metallic Coated (kN/m) |
Gabions - PVC Coated (kN/m) |
Mattresses - Metallic Coated & PVC Coated (kN/m) |
|
Parallel to twist |
51.1 |
42.3 |
33.6 |
|
Perpendicular to twist |
26.3 |
20.4 |
13.1 |
|
Connection to selvedges |
20.4 |
17.5 |
10.2 |
Panel to Panel
connection using Lacing wire or Fasteners |
20.4 |
17.5 |
10.2 |
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Punch Test |
26.7 |
23.6 |
17.8 |
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Mesh Characteristics |
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GABION |
MATTRESSES |
|
Characteristics |
Metallic Coated |
PVC Coated |
Metallic Coated |
PVC Coated |
|
Mesh Type |
8 x 10cm |
6x 8cm |
|
Mesh Openings |
83mm x 114mm |
83mm x 114mm |
64mm x 83mm |
64mm x 83mm |
|
Mesh Wire |
3.05mm |
2.7mm |
2.2mm |
2.2mm |
|
Selvedge Wire |
3.8mm |
3.4mm |
2.7mm |
2.7mm |
|
Lacing Wire |
2.2mm |
2.2mm |
2.2mm |
2.2mm |
|
Fasteners |
3.0mm |
3.0mm |
3.0mm |
3.0mm |
Stiffeners:
A) Using Lace Wire
B) Pre-formed |
2.2mm
3.8mm |
2.2mm
3.4mm |
2.2mm
N/A |
2.2mm
N/A |
PVC Coating Thickness
Nominal
Minimum |
N/A |
0.50mm
0.38mm |
N/A |
0.50mm
0.38mm |
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Typical Gabion Sizes |
|
Length (m) |
Width (m) |
Height (m) |
Number of Cells Each |
Volume (m3) |
| 2.0
|
1.0
|
1.0
|
2.0
|
2.0
|
| 3.0
|
1.0
|
1.0
|
3.0
|
3.0
|
| 4.0
|
1.0
|
1.0
|
4.0
|
4.0
|
| 2.0
|
1.0
|
0.5
|
2.0
|
1.0
|
| 3.0
|
1.0
|
0.5
|
3.0
|
1.5
|
| 4.0
|
1.0
|
0.5
|
4.0
|
2.0
|
| 2.0
|
1.0
|
0.3
|
2.0
|
0.6
|
| 3.0
|
1.0
|
0.3
|
3.0
|
0.9
|
| 4.0
|
1.0
|
0.3
|
4.0
|
1.2
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Typical Mattress Sizes |
|
Length (m) |
Width (m) |
Height (m) |
No. of Cells Each |
Area (m2) |
| 3.0
|
2.0
|
0.17
|
3.0
|
6.0
|
| 4.0
|
2.0
|
0.17
|
4.0
|
8.0
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| 3.0
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2.0
|
0.23
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3.0
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6.0
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| 4.0
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2.0
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0.23
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4.0
|
8.0
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| 3.0
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2.0
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0.3
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3.0
|
6.0
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| 4.0
|
2.0
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0.3
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4.0
|
8.0
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