Definition and characteristics of steel-plastic geogrid
Steel-plastic geogrid is a new type of geotechnical building materials, which is composed of high-strength steel wire wrapped with polyethylene to form a longitudinal and transverse steel-plastic composite rib as a stressed element, and the node is processed with ultrasonic and other special processes to form a grid-like sheet with high tensile strength and good integrity. The construction of steel-plastic grid is convenient and the cost is low, which can effectively shorten the project cycle, save the project cost, and avoid the construction damage caused by the crushing and destruction of machinery and tools in the construction project.
Application of steel-plastic geogrid
Steel-plastic geogrid is widely used in soft foundation treatment and disposal of uneven settlement of subgrade, especially the treatment of uneven settlement of new and old subgrade, steel-plastic grid instead of plastic grating treatment effect is better, is the preferred material for dealing with uneven settlement of subgrade. In the soft soil foundation, the steel-plastic composite geogrid is used for reinforcement, and its network structure is conducive to the drainage of the soft soil foundation. Under the load of embankment filling, the water in the soft soil seeps out, which promotes the consolidation of the soft soil and improves the bearing capacity of the soil foundation.
The steel-plastic geogrid has high strength, small deformation, small creep, corrosion resistance, long life, and has the ability to withstand certain impact loads, while improving the bearing capacity of the foundation and increasing the stability of the foundation, which can adjust the uneven settlement and effectively reduce the difference in subgrade settlement. The steel-plastic geogrid can not only increase the interlocking and occlusion force of the reinforced bearing surface, but also improve the bearing capacity of the foundation, limit the lateral displacement of the soil, and enhance the stability of the foundation. In addition, the steel-plastic geogrid can also effectively keep warm and insulated, so it is also suitable for the renovation and drainage of energy-saving old houses of multi-storey, medium and high-rise buildings, and its development prospects are broad.