آرشیو برچسب ها: معایب بتن پلیمری

Concrete consists of three main elements: sand, aggregate, and cement, in which sand and aggregate are bonded together by cement. Albeit, it is clear that this adhesion requires water. Application of concrete can be both advantageous and disadvantageous. In other word, applying it may be necessary or advantageous in some cases and impossible or harmful…