What is concrete concrete and net spray concrete?
Plain concrete - a structure made of concrete that is free of tendons or non-configured reinforced concrete.
The concrete is for reinforced concrete, prestressed concrete and so on.Net spray concrete is arranged on the surface of the steel mesh shotcrete.
Generally high-strength cement slurry, or add sand, coarse sand and not more than 15mm gravel particles, easy to spray.
Mainly to do with the wall protection, anti-erosion collapse.