What is Gabion and Mattress ?

It is the box filled with rocks for use in civil engineering, road building, landscaping, and erosion control. It is made of wire mesh knit in hexagon shape and then formed into a box. The size of the box can be adjusted according to the purpose of use or the government standards

Type of Boxes

01
Gabion
02
Mattress
03
Terramesh
01
Gabion
02
Mattress
03
Terramesh
Mesh

It’s three-twisted hexagonal mesh netting.

Dimension of Box and Wire
Mesh Size(cm)
A × B
Box Size (m) Selvedge Wire
(mm)
Mesh Wire
(mm)
Lacing Wire
(mm)
Width Length Height
6 × 8 0.5 - 2.0 1.0 - 6.0 0.17 - 0.5 2.5 - 3.0 2.0 - 3.0 2.0 - 2.2
8 × 10 0.5 - 2.0 1.0 - 6.0 0.5 - 1.0 3.0 - 4.0 2.5 - 3.0 2.0 - 2.2
10 × 12 0.5 - 2.0 1.0 - 6.0 0.5 - 1.0 3.0 - 5.0 2.5 - 3.4 2.0 - 2.2
10 × 13 0.5 - 2.0 1.0 - 6.0 0.5 - 1.0 3.0 - 5.0 2.5 - 3.4 2.0 - 2.2
Wire Specification
Wire diameter
(mm)
Weight Zinc Coated
(g/m2)
Tensile Strength
(N/mm2)
2.0 240 380-550
2.2 240 380-550
2.7 260 380-550
3.0 275 380-550
3.4 275 380-550
3.5 275 380-550
3.9 290 380-550
4.0 290 380-550

Application

  • River Protection
  • Coastline Structure and Protection
  • Rock fall Protection
  • Roadway Protection
  • Weir
  • Bridges and Culverts Protection

Types of Wire

1
Heavy Galvanized Wire (PVC Coated and Non PVC Coated)
2
Alu-Zinc Wire (PVC Coated and Non PVC Coated)
contain 95% Zinc coated and 5% aluminium coated. Weight of Zinc coated is around 305 g/m2

Note:

  • -  The thickness of PVC coated is around 0.45-0.55 mm.
  • -  From the Tensile Strength Test of a Wire Sample (30 cm. length), the test result is more than 12% according to the government requirement TIS 71/2517 (New TIS 71/2532) and Quality standard ISO 9001-2015.
  • -  Alu-Zinc Wire can be known as Galfan or Zinc-Aluminium.