The outlook of the pp biaxial geogrid is network structure like a square. It uses polyester as its raw material and is made of high molecular polymer through extrusion, formed and punched before longitudinally and laterally stretched.
This kind of material has high tensile longitudinally and horizontally, which can be used to reinforce the basement.
Geogrid can be used to enhancement of permanent bearable soft including highway and railways embankment, slopes, tunnel, airport, parking lots, loaded pier and ground and their main usage are as follows:
1. Geogrid Enhance the bearing capacity fo road foundation and extend the duration of highway.
2. Geogrid Prevent highway surface from collapse, crack and being dirty.
3. Geogrid Be convenient for construction timesaving and cut down the cost of maintenance.
4. Geogrid Prevent tunel from crack occuring
5. Geogrid Further solidity slopes to proof water and soil from losses
6. Geogrid Reduce the surface thickness of the ground.
7. Geogrid Consolidate the net for growing grass on the slopes so as to stabilization surrounding virescence.
8. Geogrid Be used for artificial top net of mines instead of metal ones. It is of flame retardant and antistatics.
4.
Application of uniaxial plastic geogrid |
Uniaxial plastic grating is mainly used for retaining wall, bridge platform, steep slope engineering, etc.
Retaining wall and bridge abutment belong to the stressed structure, bearing all external loads: active earth pressure, dynamic load on the upper part of the structure, and temperature stress, etc. The reinforced materials are under large tension for a long time and repeated dynamic load, resulting in fatigue of the molecular structure of the material, attenuation of its performance, and accelerated aging of the grid.In order to avoid large deformation of the structure due to creep of reinforced materials, the unidirectional plastic geogrids with HDPE as raw material should be selected.