How to build a fine stone concrete cushion?
The cushion is primarily responsible for the load coming from the surface and passes the load evenly to the structural or base.
The main role of the cushion is to meet the requirements of the design elevation. In addition, the cushion to meet the sound insulation, insulation, insulation, slope and buried pipeline and other functional requirements and set a variety of levels.
Reduce ground cracking, plus steel mesh.
Reinforced mesh, should be placed in the middle of the concrete, because the protective layer of concrete thick Fang generally only 5CM thickness, so the middle is the best.
