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Soil Reinforcement Units for Retaining Structures

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Soil Reinforcement Units for Retaining Structures

Double twisted steel wire mesh units used for reinforced soil structures and slope consolidation.

For structures with vertical facing units are made with hexagonal wire mesh continuous base panel for the reinforcement and the facing portion of the structure.

Mesh and Unit Characteristics for Vertical Facing Units of Reinforced Soil Structures

Sr. No

Characteristics

100 x 120 mm

80 x 100 mm

Wire type

Zinc / Zinc Alloy + Polymer coated

Zinc / Zinc Alloy + Polymer coated

1

Mesh Wire dia, mm

2.2/3.2

2.2/3.2

2

Edge / Selvedge Wire dia, mm

2.7/3.7

2.7/3.7

3

Lacing Wire dia, mm

2.2/3.2

2.2/3.2

4

Polymer Coating Thickness, mm

Nominal — 0.50

Minimum — 0.40

Nominal — 0.50

Minimum — 0.40

5

Typical sizes Length × Width × Height (m)

(Number of diaphragms)

3 × 2 × 0.5 (1 No.), 3 × 3 × 0.5 (2 Nos.), 4 × 2 × 0.5 (1 No.), 4 × 3 × 0.5 (2 Nos.), 5 × 2 × 0.5 (1 No.), 5 × 3 × 0.5 (2 Nos.), 6 × 2 × 0.5 (1 No.), 6 × 3 × 0.5 (2 Nos.) 3 × 2 × 1 (1 No.), 3 × 3 × 1 ( 2 Nos.), 4 × 2 × 1 (1 No.), 4 × 3 × 1 (2 Nos.), 5 × 2 × 1 (2 Nos.), 5 × 3 × 1 (2 Nos.) 3 × 2 × 1 (1 No.), 6 × 3 × 1 (2 Nos.) 3 × 2 × 0.8 (1 No.), 3 × 3 × 0.8 ( 2 Nos.), 4 × 2 × 0.8 (1 No.), 4 × 3 × 0.8 (2 Nos.), 5 × 2 × 0.8 (2 Nos.), 5 × 3 × 0.8 (2 Nos.), 3 × 2 × 0.8 (1 No.), 6 × 3 × 0.8 (2 Nos.)

6

Tolerances in size of Units

Length and Width... ± 5 percent; Height > 0.3 m... ± 5 percent and

Height < 0.3 m... ± 10 percent


For the structures with inclined vegetative facing units are made with hexagonal wire mesh base reinforcement, provided (or made) with a welded mesh panel for facing, a geotextile for soil retention and metallic ties for installation procedures.

Hexagonal Wire Mesh and Unit Characteristics for Inclined Facing Units of Reinforced Soil Structures

Sr. No

Characteristics

100 x 120 mm

80 x 100 mm

Wire type

Zinc / Zinc Alloy + Polymer coated

Zinc / Zinc Alloy + Polymer coated

1

Mesh Wire dia, mm

2.2/3.2

2.2/3.2

2

Edge / Selvedge Wire dia, mm

2.7/3.7

2.7/3.7

3

Lacing Wire dia, mm

2.2/3.2

2.2/3.2

4

Polymer Coating Thickness, mm

Nominal — 0.50

Minimum — 0.40

Nominal — 0.50

Minimum — 0.40

5

Typical sizes Length × Width × Height (m) (face angle)

3 × 2 × 0.63 (45), 3 × 2 × 0.76 (60), 3 × 2 × 0.83 (70), 3 × 3 × 0.63 (45), 3 × 3 × 0.76 (60), 3 × 3 × 0.8 (65), 3 × 3 × 0.83 (70), 4 × 2 × 0.63 (45), 4 × 2 × 0.76 (60), 4 × 2 × 0.80 (65), 4 × 2 × 0.83 (70), 4 × 3 × 0.63 (45), 4 × 3 × 0.76 (65), 4 × 3 × 0.83 (70), 5 × 2 × 0.63 (45), 5 × 2 × 0.76 (60), 5 × 2 × 0.80 (65), 5 × 2 × 0.83 (70), 5 × 3 × 0.63 (60), 5 × 3 × 0.8 (65), 5 × 3 × 0.83 (70), 6 × 2 × 0.63 (45), 6 × 2 × 0.76 (60), 6 × 2 × 0.80 (65), 6 × 2 × 0.83 (70), 6 × 3 × 0.63 (45), 6 × 3 × 0.80 (65), 6 × 3 × 0.83 (70),

6

Tolerances in size of Units

Length and Width... ± 5 percent; Height > 0.3 m... ± 5 percent and

Height < 0.3 m... ± 10 percent