History of steel fiber
The earliest use of steel fibers in Russia in 1907-1908.
In 1910 United States' presented steel fiber "concrete concept
1940s, the United States, Britain, France, Germany and other countries have announced to improve the performance of concrete steel fiber, steel fiber manufacturing process, as well as the patent of changing the shape of the steel fibers to improve the adhesion strength of steel fiber concrete matrix.
In 1963, JPROMUADI and JBBATSON ‘s concrete reinforcing theoretical research report was published, so that the application of steel fibers has been rapidly developed.
China began to use steel fiber 1970s.
Large Projects are:
1.a temporary lock of the Three Gorges Project 1 #, 3 #
2. Shenyang Railway Bureau, Changchun, Dalian line maintenance.
3. Hangzhou Expressway overpass Longbridge separation.