Gabions / Mattresses
Key Features:
Ease Installation, Cost Effective
Application:
Bridge Protection, Slope Protective, Water Conservancy, Explosion
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GABIONS & MATTRESSES
Gabions are rectangular baskets stoutly made of hexagonal steel wire mesh strengthened by selvedge of heavier wire and by mesh diaphragms. They are often used for earth retention and erosion control. Unlike rigid structures, they are flexible and well suited to projects over unstable foundations. They possess tremendous strength and require little maintenance. We deliver our gabions flat-packed, which can be assembled and then filled with stones at the project site.
Finishing: Two types of wire to be chosen: Galvanized Wire and PVC Coated Wire
(Grey Colour)
Finishes Goods such as Retaining wall,
channel lining and weirs are fabricated by gabion.
| Gabion Cage | 1m x 1m x 1m , 2m x 1m x 1m , 3m x 1m x 1m 3m x 1m x 0.5m , 2m x 1m x 0.5m etc |
| Gabion Mattress | 6m x 2m x 0.5m , 6m x 2m x 0.3m , 6m x 2m x 0.23m , 6m x 2m x 0.17m 3m x 2m x 0.3m , 3m x 2m x 0.23m etc |
WIRE
• All tests on the wire mesh, lacing wire should be performed before manufacturing the mesh.
• The material MUST come from an ISO9001 certified factory
| Tensile Strength of wire (per BS 1052:1980 and EN10223-3) | 350 – 500 N/mm2 |
| Elongation (per EN10223-3) | <10% |
| Sample length | >25cm |
| Adhesion of the zinc coating to the wire | As per EN 10244 (when the wire is warped sit turns around a mandrel having four
times the diameter of the wire, it does not flake or crack when rubbing it with the
bare fingers) |
| Physical characteristic
of mesh wire | NO rusty spots on the part of the surface excluding the cut ends |
Different tests to be carried on the gabion material are tabulated along with references and standards as follows:
| Dimension | References on Specifications | |
| Mesh Type | 8cm x 10cm | |
| Mesh Opening “D” mm | 80mm | ASTM A 975 |
| Nominal Dimension | 83mm x 114mm | ASTM A 975 |
| Mesh Wire Diameter Tolerance Zin Coating Min | 2.7mm (Inner Diameter) 3.7mm (Outer Diameter) ± 0.08mm 260 gsm | EN 10223 BS 1052 BS 443: 1982 |
| Selvage / Edge Wire Diameter Tolerance Zin Coating Min | 3.4mm (Inner Diameter) 4.4mm (Outside Diameter) ± 0.10mm 275 gsm | EN 10223 BS 1052 BS 443: 1982 |
| Lacing Wire Diameter Tolerance Zin Coating Min | 2.2mm (Inner Diameter) 3.2mm (Outside Diameter) ± 0.06mm 240 gsm | EN 10223 BS 1052 BS 1052 |
| PVC COATING | References on Specifications | |
| Colour | GREY | |
| Thickness Nominal | 0.5MM | ASTM A 975 |
| Thickness Minimum | 0.38MM | ASTM A 975 |
| Specific Gravity | 1.32 | ASTM D 792 |
| Tensile Strength | Not Less Than 21 N/mm² | ASTM D 412 |
| Enogation At Break | Not Less Than 200% | ASTM D 412 |
| Modulus Of Elasticity | Not Less Than 19 N/mm² | ASTM D 412 |
| Hardnes | 50-60 Shore D | ASTM D 2240 |
| Abrassion Resistance | Less Than 220mm² | DIN 53516 |
| Salt Spray Exposure and Ultraviolet Light Exposure | The PVC shall show no effect after 1500 hours of salt spray exposure The PVC shall show no effect of exposure to ultraviolet light with test exposure of 2000 hours. After the salt spray test and exposure to ultraviolet light, the PVC coating shall not show cracks or noticeable change of colour, or blisters or splits. Also, the specific gravity and hardness shall not change more than 10% and 15% respectively from their initial values. | ASTM B 117-90 & ASTM D G53-88 |
TOLERANCE:
Gabion: ±5% on the length, width and height in accordance with ASTM A975.
