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Geogrid Plays A Deep In The Soft Soil Foundation

Jiangsu Hanovo New Material Co.,Ltd | Updated: Dec 12, 2018

Geogrid is a new type of geosynthetic environmentally friendly material. Geogrid has wide adaptability in reinforcement and reinforcement in soft soil foundation, especially suitable for roadbed engineering in highway soft soil area.

The geogrid is divided into a unidirectional geogrid and a two-way geogrid. The geogrid production process is not made by hot-melt linear outflow processing like the anti-seepage film, but is heated by high-temperature pressurization using hot plastic as raw material, extruded into a net or extruded into a net and then quenched, tightly Then, it was slowly heated and stretched, and the molecular chain was stretch-molded in a high orientation. The vertical and horizontal tensile strength of the geogrid is as high as 100 to 200 MPa, but the longitudinal and transverse elongation at break is only about 3% to 8% due to the high orientation stretching of the molecular chain. In the soft soil foundation treatment of highways, the most difficult problem is the uneven settlement of soft soil and the consolidation of soft soil. The traditional treatment method is to lay gravel and gravel on the upper layer of soft soil, but the disadvantage is coverage. The pellets can be mixed with the soft soil to further reduce the strength, and there is a danger of collapse and settlement due to driving. With the research and application of geogrid geosynthetics in the country, it is found that geogrid has wide adaptability in soft soil foundation, which has the advantages of high tensile strength, good flexibility, convenient construction and low cost. Geogrid has an irreplaceable role.

The two-way geogrid is laid on the surface of the soft soil foundation after compaction, and then the granular material is covered on the grid to separate the pellets from the soft soil, which not only increases the strength, but also increases the stress of the geogrid and greatly increases the stress. The stability of the entire soft soil foundation.

Geogrid plays a "deep in the air" in the reinforcement of highway soft soil foundation.