Vmax3
Vmax3 C350
Permanent Turf Reinforcement Mat
Vmax3 C350 is composed of a permanent, high-strength, three-dimensional matting structure, incorporated with a 100% coconut-fibre matrix that supplements the permanent matting structure ’s initial mulching and erosion control capabilities for up to 36 months.
C350 is designed to provide long-term, pre-vegetated erosion protection and permanent turf reinforcement in a range of applications that include critical-flow channels, stream banks, and
shorelines.
Proven in extensive laboratory and field research, as well of thousands of applications all around the
world, C350’s high-strength, 3-D matting structure boosts the shear resistance of vegetation up to an
amazing 576 Pascal. With permanent erosion protection equivalent to that of 0.76 m rock riprap,
C350 provides a cost-effective, environmentally friendly, “green” solution to erosion control projects
for severe conditions.
TOP & BOTTOM NET
Polypropylene
3.91 kg/100 m2 approx. wt.
POLYPROPYLENE
3.91 kg/100 m2 approx. wt.
COCONUT FIBRE
0.27 kg/m2
THREAD
Permanent
STANDARD ROLL SPECIFICATIONS
Width: 2 m
Length:16.9m
Area: 33.8 m2
Approx. Weight: 16.8 kg
C350 Performance Profile
Phase 1
(unvegetated)
Limiting Velocity m/s
0.55 0.75 3.2 3.8
10mm 20mm C350 P550
Geomat Geomat
Unprotected seed and soil are highly susceptible to erosion. Upon installation, the C350’s coconut fibre matrix and corrugated matting structure provide a uniform mulch layer and effective erosion protection for seed and soil under flow-induced shear stresses up to 153 Pascal and a permissible flow velocity of up to 3m/s.
Phase 2
(vegetation establishment)
The tender stems and undeveloped root systems of immature vegetation provide little protection for the soil surface and are prone to damage
or removal at shear stresses of only 29 Pascal * The C350 continues providing erosion protection between, and structural support for,
developing plants – increasing the permissible shear stress of new vegetation up to 480 Pascal.
Phase 3
(vegetation maturity)
Limiting Velocity m/s
1.8 2.5 6.0 7.6
500mm 760mm C350 P550
Stone Stone
Under flow-induced shear stress of only 48 Pascal, un-reinforced mature vegetation may allow significant soil loss and experience physical damage.** The C350’s corrugated matting structure reinforces soils and anchors vegetation roots and stems – increasing the permissible shear stress of the permanent vegetative stand up to 576 Pascal or up to 6m/s flow velocity.
*Based on FHWA HEC#15 Permissible Shear Stress for Class D Vegetation 5 – 15 cm tall (fair stand)
**Based on FHWA HEC#15 Permissible Shear Stress for Class C 15 cm tall (good stand)
|
Product |
Typical Applications |
Limiting Shear Stress1 Flow Duration |
Permissible Velocity2 |
Typical Projects |
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|
Bare Soil |
Vegetated |
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|
0.5 hrs |
50 hrs |
0.5 hrs |
50 hrs |
Unvegetated |
Vegetated |
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|
C350 |
1:1 & Greater Slopes |
High-Flow Channels |
Shorelines |
153 |
144 |
576 |
480 |
3.2 |
6.0 |
Drainage Ditches, High-Flow Areas, Spillways, Shoreline Protection, Steep Slopes, Soil Nailing |
