Constituent material of steel fiber reinforced concrete
Steel fiber reinforced concrete is composite materials formed after setting and hardening ,it is made of short steel fiber, cement, sand, stone and water, and the necessary additives which are mixed according to a certain percentage. the sand and rock from the skeleton role, called aggregate (aggregate). Steel fibers are uniformly dispersed in aggregate around, mainly from increased toughness, crack resistance effect Crack and called reinforcements (phase). The slurry formed by cement and water when mixing and stiring fill cover on the surface of the aggregate and steel fiber aggregate ,fill into the gaps between the aggregate, aggregate and steel fiber, and act as the lubricant, to make the concrete mixing material has a certain degree of workability, the hardened cement paste make aggregate and steel fibers to bond into a solid, dense whole.
Steel fiber concrete performance depends on the performance of original concrete, and performance of steel fiber as well as the relative content of the matrix of concrete steel fibers, but also with the construction process (mixing, molding, conservation) related.