Several methods of reducing air-bubbles and water-bubbles on the surface of concrete

Aiming at air-bubbles and water-bubbles on the surface of concrete,and on base of many years practice,the paper concludes some methods of reducing air-bubbles and water-bubbles on concrete surface from the following aspects: beating during construction,proportion controlling of raw material,mode controlling and so on,it aims to make concrete surface beautiful,solid and clean.