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Excellent workability and high tensile strength per unit weight. It has strong heat resistance and weak wind resistance. Permeability is uniform.
The structure of the product is uniform, therefore it has excellent mechanical function, chemical resistance and heat resistance and high tensile strength per unit weight. When improving soft ground, road construction and embankment construction, it separates the original ground and high quality landfill and prevents the settlement.
It is an economical product that can secure sufficient traffic for easy entry of equipment when constructing soft roads, reclaimed land, breakwaters, dikes, etc.
# Geomat Usage and Characteristics
- Soft ground is reinforced early and floating settlement is prevented.
- Excellent workability
- Excellent filtration to prevent soil loss.
- High tensile strength per unit weight.
- Soft ground hardens prematurely and ensures the passage of heavy equipment.
- Strong heat resistance and weak wind resistance.
- Permeability is uniform.
- Pulling in water is easy by great importance.
Reinforcement
Unequivalent Subsidence
Separation
Filtration
# How to install P.E.T MAT / P.P MAT
1. Type of Geomat
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P.E.T (General)
It is a woven fabric made of high strength polyester filament firm with high density which is economical product with the same tensile strength in the length (tilt) direction and width (weft) direction of the fabric. It is the most common ground MAT that is widely used in the improvement of complex ground as a current soft ground.
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P.E.T (Rib type)
Rib-type polyester MAT is woven by installing ribs, which are double in the thickness of the basic fabric at 10cm intervals in the length (tilt) direction and the width (weft) direction of the fabric. This product is excellent in tear strength and bursting strength in order to prevent tearing from vibration and shock during construction.
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P.P
It is a bottom MAT consisted of polypropylene flat yarn which is mainly used for separating the soft ground (raw ground) and sand mat. Tensile strength 3Ton products have been widely used the most.
1. Geomat installation method
Laying on soft ground
It is the simplest method of P.E.T. MAT which has been rolled as much as necessary in processed MAT. After carrying on the soft ground, it is installed by equipment.
Laying on super soft ground
P.E.T MAT fixes one side which is used for 3 or 5 vessels. After rope is tied to the ship, lay ship by crane or bulldozer to pull ship and install P.E.T MAT.
Laying on the undersea soft ground
It is difficult to build on the sea by manpower.
Roll the P.E.T MAT as much as you want to use on the land but insert the pipe in the middle of the roll, drop the roll into the sea, and pull the rope inserted in the middle of the roll in order to move forward from the ship and the mat will be laid naturally.
# Geomat Properties
1. P.E.T MAT Properties
| Physical properties | unit | aT50 | aT100 | aT150 | aT200 | aT250 | aT300 | aT400 | aT500 | test method |
|---|---|---|---|---|---|---|---|---|---|---|
| tensile strength | slope kN/m | 50 | 100 | 150 | 200 | 250 | 300 | 400 | 500 | KS K ISO 10319 |
| Tensile Strength | wisa kN/m | 50 | 100 | 150 | 200 | 250 | 300 | 400 | 500 | |
| Breaking Elongation | % max | 20 | 20 | 20 | 20 | 20 | 30 | 30 | 30 | KS K ISO 10319 |
| Tensile Strength at 5% | kN/m | 20 | 40 | 60 | 80 | 100 | 125 | 160 | 200 | KS K ISO 10319 |
| Seaming strength | kN/m | 25 | 50 | 75 | 100 | 125 | 150 | 200 | 250 | KS K ISO 10321 |
| permeability | cm/sec | 10 -2~-4 | KS K ISO 11058 | |||||||
It is a woven fabric made of high strength polyester filament firm with high density which is economical product with the same tensile strength in the length (tilt) direction and width (weft) direction of the fabric.
It is the most common ground MAT that is widely used in the improvement of complex ground that is, currently soft ground.
2. P.P MAT Properties
| Physical properties | unit | aT50 | aT150 | aT300 | test method |
|---|---|---|---|---|---|
| Material | P.P | P.P | P.P | P.P | KS K ISO 0210 |
| Weight | g | 150g이상 | 180g이상 | 300g이상 | KS K ISO 9864 |
| Tensile strength | kN/m | 30kN/m | 50kN/m | 100kN/m | KS K ISO 10319 |
| Breaking Elongation | % | 10~30% | 10~30% | 10~30% | KS K ISO 10319 |
| Seaming strength | kN/m | 15kN/m | 25kN/m | 50kN/m | KS K ISO 10321 |
| permeability | cm/sec | 10 -2~-4 | KS K ISO 11058 | ||
It is a bottom MAT that is firmly woven of polypropylene flat yarn which is mainly used for separating the soft ground (raw ground) and sand mat.
Tensile strength 3Ton products have been widely used the most.
