Study on the Performance of Cement-Based Foamed Sound Absorbing Material 

Shang JIANG 

School of Architecture and Construction, Chongqing Jiaotong University, Chongqing, CHINA 

Abstract: Based on the molding craft of foam concrete, by adding the enhancer with good dispersity poly-propylene fiber and some auxiliary materials, a new cement-based foamed sound absorbing material was pre-pared. Such material has advantages like excellent sound absorption property, low cost and non-pollution. 

Keywords: Sound absorption coefficient; Foamed concrete; Cement-Based