In order to improve the combination ability of the expanded polystyrene(EPS) beads and the cement mortar in the EPS lightweight concrete,and the mechanical properties of this concrete,the ethylene-vinyl acetate copolymer(EVA) emulsion was used to modify the EPS surface.Mechanical properties of EPS lightweight concrete were tested;the influence of EVA on EPS lightweight concrete had been analyzed by means of scanning electron microscope(SEM),X-ray diffraction and infrared spectroscopy spectrum.Tests results ...