Soil Reinforcement PP Biaxial Geogrids

The Lianyi® Company is the manufacturer of the pp geogrids,specialized geosynthetics widely used in the civil engineering projects to stabilize and reinforce land or separate the substrate layers with varying graining.PP Geogrids are quick and easy to install and allow for the reduction of the use of materials,thus saving investment costs and time.

What’s PP Biaxial Geogrids?

Lianyi® PP Biaxial Geogrids are specifically designed for the stabilization and reinforcement of soil.These Geogrids are expertly manufactured by using different grades of Polypropylene(PP) and are produced using and extrusion and stretching method that yields Geogrids with highly increased tensile properties in both machine and transverse directions.

The manufacturing process produces a unique grid structure,consisting of high strength junctions and stiff ribs.When installed in the soil,the interlocking of the aggregate within the apertures of the Geogrids allows for the effective reinforcement of the soil.This interlock mechanism helps restrain lateral movement of aggregate particles.

How Do PP Biaxial Geogrids Work?

Immediate stabilization and reinforcement of road structure

The semi-stiff composite aggregate scheme allows for the reinforcement of aggregate,even on extremely low load-bearing surfaces.Blocking of the aggregate by the geogrid is a key factor during the pre-compaction of the road foundation,as well as for the further behaviour of the road in lifetime.A high elastic modulus(stiffness of geogrid)is considered to be the main feature which enables effective restriction of movement of the aggregate and as a result,an effective reinforcement of structure.

Blocking and horizontal fixing of aggregate

Thanks to the rigid construction based on non movable nods,which immediately responds to pressure,the PP Biaxial Geogrids prevent aggregate shifts.Used to reinforce the road structure,PP Biaxial Geogrids prevent horizontal displacement and penetration of aggregate grains into the weak substrate and the loss of stability of the foundation layer.

Separation

The PP Biaxial Geogrids placed between the road foundations and the subsoil work as a separator preventing the mixing of the materials with different grain size and load bearing capacity.Geogrids help avoid the penetration of aggregate into the weak substrate and the loss of stability of the foundation layer.

On boggy substructures or in case of materials of unfavourable grain size,where the separating function needs to be enhanced,PP Geocompsoites are used,PP Geogrids combined with non woven geotextile.

PP Biaxial Geogrids Application 

Tar roads

Reinforcement of aggregate substrate layers,reinforcement of embankments and dykes,geosynthetic layers at the base of embankments

Railway

Reinforcement of substructures of the railway tracks,strengthening of railway embankments

Forest roads and technological roads

Construction of dirt roads with extended durability and resistant to the creation of wheel ruts

Temporary roads and working platforms

Quick construction of temporary roads made of unbound aggregate,technological roads,access roads to windfarms,working platforms

Scarps and bridgeheads

PP Geogrids are used in construction of high scarps,bridgeheads and as in reinforced earthworks,construction of vertical retention walls with veneer

Warehouses and carparks

Reinforcement of subsoil requiring higher load bearing capacity,under manoeuvring squares,warehouse storage yards,parking lots