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Rein-forced Polyester Geogrid
Reinforced Polyester Geogrid 400Kn With the development of our economy, the requirement for the quality of road engineering is also increasing. Building a durable and resistant road is the most important part of economic development. As a new type of material, geogrid has also realized the...
Reinforced Polyester Geogrid 400Kn
With the development of our economy, the requirement for the quality of road engineering is also increasing. Building a durable and resistant road is the most important part of economic development. As a new type of material, geogrid has also realized the development of "quality" in recent years. It is accepted, well known and adopted by more and more people. The mechanism of the geogrid is simply that the mechanism of the geogrid reinforced soil exists in the interaction of the grille and the soil. In general, it can be summed up as the friction between the surface of the grid and the soil, the locking effect of the grid hole to the soil and the passive resistance to the grid rib. The three actions can fully restrict the lateral displacement of soil particles, thus greatly increasing the soil's self stability. The effect of soil reinforcement is obviously higher than that of other geotextiles. With special and powerful action mechanism, geogrid can rapidly improve foundation bearing capacity and speed up construction progress, control the development of settlement in soft foundation area, shorten construction period and make highway early put into operation.
Geogrid is divided into different types because of the different material and production process, and the effect is different. Although plastic geogrids, warp knitted reinforced polyester geogrids and fiberglass geogrids are all grille products, their production processes, raw materials and physical and mechanical properties are different.
Today, Shandong Dageng Project Materials Co., Ltd. in particularly compares their important engineering properties, hoping to give you a more intuitive understanding of the different properties of geogrids. The results of the comparison are shown in the table:
(1) The ultimate tensile strength of geogrid from high to low in the order is glass fiber geogrid, reinforced polyester geogrid, plastic geogrid. Ultimate elongation from high to low in the order of polyester geogrid, plastic geogrid (extension rate of raw materials as a warp knitted grill has a larger change range, some may be more than a small plastic grille) and fiberglass geogrid. Fiberglass geogrid has no vermicular change.
(2) The temperature resistance of fiberglass geogrid is better than that of other grille, and the temperature resistance of reinforced polyester geogrid is improved because of coating impregnation.
(3) Plastic geogrid vertical contact is formed directly, so the strength and longitudinal ribs and the same intensity, and warp knitting, woven glass fiber grid contact, so the strength of material is much lower than itself.