Application

Application

Uni-Axial E’GRID is meshes with elongated apertures made from high density polyethylene (HDPE) and generally used as reinforcement of walls and slopes. Their principle characteristic is good creep performance with low strain and high strength under constant load.
Walls and Abutment Reinforcement

E’GRID reinforced soil walls and abutments are composed of wall facing, and fill reinforced with E’GRIDS. They can be constructed quickly with simple technology, machinery and techniques and at low cost.
They are tough and elastic composite structures of purpose designed multiple layers on E’GRID and fill.

They can accommodate base deformation and have particularly good resistance to vibration and earthquakes. E’GRID reinforcement can improve the bearing capacity and factor of safety of a structure and reduce construction cost.
Steep Slopes

E’GRIDS can be used to construct steep slopes with a surface of natural vegetation. Construction involves rising the slope with E’GRID layered into the fill and wrapped around the face to the required slope angle. Using these technique safe structures with permanent vegetation faces can be built to integrate spent quarries into the local environment.

Reinforcement of Slopes

In construction of roads and railways, reduced land take, convenient construction, and good safety margins can be achieved by using E’GRID reinforcement. In environmentally sensitive areas, steep with vegetated slopes can often be built in place of the hard-faced structures such as brick, stone or concrete that would be needed with conventional techniques.
Bi Axial E’Grids

The properties of Etsong Bi-Axial E’GRIDS, made in Polypropylene (PP) with their square apertures, high tensile strength and optimised geometry of nodes and ribs make them equal to any other similar material. The reinforcing action of E’GRIDS lies mainly in increasing the shearing resistance within a soil by a process of interlocking between the square ribs and the soil. The load dispersal effect from the interlocking mechanism is more effective and can reduce sub-base thickness and construction cost.E’GRIDS can be used with any kind of fill material.
Areas of Application

Roads, railways, ports and other paved areas. One layer or multi–layer E’GRID construction distributes loading and disperses stress more effectively, leading to the reduction in differential settlement and improved foundation bearing capacity.

Airport Runways
A tough platform can be established with E’GRID reinforcement. Resistance to the impact of aircraft take off and landing is improved with more effective and immediate load dispersal.
  • Temporary roads and other un-paved areas
    E’GRID reinforcement gives ease of construction of temporary pavements with reduced construction time and cost.
Bi – Axial Geogrids in road construction
Geogrid when used in road construction:

*Reduces differential settlement
*Improves load distribution
*Prevents mud pumping
*Interlocks with aggregates and prevents lateral movement of stones.
*Can have a saving of 30% on aggregate thickness
*Improves lifespan of roads
*Reduces maintenance costs

Road degradation and failure
Sub-base failure without geogrid leading to surface breakdown.
Performance of Bi Axial Geogrid in road construction A. Under continuous wheel loading unrestrained stone fill materials can migrate downwards through soft soil sub-bases

B. The use of E’GRID generates the interlock that stiffens the stone fill materials and eliminates downward migration
 
 
 
 
Geogrid Application Guide
   



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