Gabion Mattresses
Gabion mattress is a double twisted wire mesh container uniformly partitioned into internal cells relatively small height in relation to other dimensions, having smaller mesh openings than the mesh used for gabions. Gabion Mattresses are used for river bank and scour protection, channel linings for erosion control, and embankment stability when the retaining properties of box gabions are not required.

The filtering capability of the rock fill allows the soil, water, air and plant life to interact naturally. The characteristics of Gabion mattress permit the construction of shoreline protection, groins, spillways, etc for effective under water
performance.

Gabion Mattresses offer long term erosion protection, providing a shear resistance which is twice that of rip-rap for the same sized stone. A polymer coated and galvanized woven Gabion Mattress is strongly recommended in aggressive environments. Pre-filled Gabion mattresses are of great utility for installation under water.

The base section is divided into one meter wide compartments with the help of diaphragms which restrict the movement of stone and thus strengthen the structure. The lid is supplied as a



Mesh & Box characteristics for GTI Gabion Mattresses
Mesh Type 6 x 8
'D',mm 64
Wire Type Only Zinc Coated Zinc + PVC Coated
Mesh Wire Dia, mm 2.20 2.70/3.70 *
Edge / Selvedge wire Dia, mm 2.70 3.40/4.40 *
Lacing Wire Dia, mm 2.00 2.30/3.20 *
PVC Coating thickness, mm N.A Nominal - 0.50
Minimum - 0.38
Typical Sizes Length x Width x Height
(m) / Number of Diaphragms
4 x 2 x 0.17 / 3 Nos, 3 x 2 x 0.17 / 2 Nos, 2 x 2 x 0.17 / 1 No
4 x 2 x 0.23 / 3 Nos, 3 x 2 x 0.23 / 2 Nos, 2 x 2 x 0.23 / 1 No
4 x 2 x 0.30 / 3 Nos, 3 x 2 x 0.30 / 2 Nos, 2 x 2 x 0.30 / 1 No
Tolerances in size of GTI
Gabion Mattresses
Length & Width +/- 5% : Height <= 0.3m +/- 10%

* Internal Diameter / External Diameter of PVC Coated Wire
Only standard sizes of Gabion Boxes are indicated in the table above. Special sizes can also be ordered as agreed between the purchaser and manufacturer.


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