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Basalt Fber-Green High-Performance Environmental Protection Material

Dec. 07, 2020

Basalt Fiber is called "the green strategic resource of the 21st century" by the scientific community. my country has listed basalt fiber as one of the four major fibers for key development. It has realized industrial production and can meet the needs of transportation, construction, chemical , Aviation and other fields, the application prospect is very broad.

Basalt fiber is a continuous fiber made of Natural Basalt Rock as the main raw material, melted at 1450~1500 ℃, and drawn by platinum-rhodium alloy drawing slip plate at high speed. The color is generally brown with metallic luster. It is composed of oxides such as silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, iron oxide, and titanium dioxide. Basalt fiber has a variety of excellent properties such as high strength, electrical insulation, corrosion resistance, high temperature resistance, and aging resistance, and is compatible with the environment without secondary pollution. Therefore, it is a veritable green high-performance new environmentally friendly material.

Basalt Fiber

Basalt Fiber

In recent years, with the rapid development of the building materials industry, basalt fiber, as a typical silicate fiber, has natural compatibility with cement-based concrete, coupled with good mechanical properties, and its application in the field of industrial construction has become the current A hot topic of research. Researchers have conducted a lot of exploration and research on the crack resistance mechanism, mechanical properties, and engineering practices of basalt fiber reinforced cement-based composites.

Compared with ordinary cement-based, basalt fiber-reinforced cement-based cement can not only improve its mechanical properties such as tensile, flexural, and impact resistance, but also has superior functions such as high temperature resistance, sound absorption, sound insulation, and flame retardancy. This also gives the building higher quality and better livability and environmental adaptability, including sound absorption performance, thermal insulation performance and high temperature resistance, and can also improve the safety and thermal performance of the building. In addition, basalt fiber can also be woven into industrial materials such as Basalt Fiber Cloth, basalt fiber composite reinforcement, and basalt geogrid, which can be used to strengthen and reinforce roads, bridges and dams.

Although there have been some experimental studies on basalt fiber reinforced concrete members at home and abroad, there is still a lot of work to master the failure characteristics and bearing capacity improvement of basalt fiber reinforced concrete members, and to obtain the design method of basalt fiber reinforced structural members based on this Need to be improved and further developed.

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