Definition and manufacturing process of basalt fiber geogrid
Basalt fiber geogrid is a kind of geotechnical reinforcement material made of basalt fiber as raw material, using special weaving process and surface coating process. Basalt fiber has a series of advantages such as alkali resistance, acid resistance, corrosion resistance, high temperature resistance, high tensile strength, high temperature resistance, freeze-thaw resistance (260-650), consistent with the thermal expansion coefficient of asphalt concrete, ultraviolet resistance, good chemical stability, anti-aging and a series of advantages. The material is woven through a warp knitting process to form a stable grid structure, which is then coated with basalt fibers by a special coating treatment to further obtain a stable structure and chemical corrosion resistance.
Engineering application of basalt fiber geogrid.
Basalt fiber geogrid has a wide range of applications in the field of engineering. In foundation pit excavation and other projects, it can be used as a reinforcing material for the excavation support system to improve the resistance of the soil to external loads and ensure construction safety. In the reinforcement of railway turnouts, highway slopes and other projects, it can improve the stability and bearing capacity of the soil, and avoid ground collapse and traffic accidents. To sum up, basalt fiber geogrid has a wide range of engineering uses, can be applied to soil and water engineering, earthwork, traffic engineering, landscaping engineering and other fields, for improving the stability of engineering structures, preventing the occurrence of natural disasters, and enhancing the bearing capacity and load resistance of the soil has an important role.
Application of basalt fiber geogrid in asphalt pavement.
In asphalt pavement, the basalt fiber geogrid can disperse the compressive stress and tensile stress generated by the wheel pressing through the road surface, forming a buffer zone, so that the stress changes gradually instead of abruptly, and reduces the damage of the asphalt surface course caused by the sudden change of stress. At the same time, the low elongation of the basalt fiber geogrid reduces the deflection of the pavement and ensures that the pavement will not be excessively deformed. In addition, the basalt fiber geogrid has a high compatibility with the asphalt mixture, which ensures that the basalt fiber geogrid will not be isolated from the asphalt mixture in the asphalt layer, but will be firmly bonded. The use of basalt fiber geogrid can greatly improve the tensile strength of asphalt concrete, thereby improving the tensile performance of the pavement.