Design of ecotype noise barriers of Hehuaifu Expressway
ZHANG Jing, YANG Jian-Yang, CA Zhi-Zhou, DIAO Ting-Ning
1.Center for Environmental Protection of Ministry of Communications, 100013; 2.College of Soil and Water Conservation,Beijing Foresty University;3.Slope Revegetation Institue Beijing Foresty University, 100083：Beijing,China
Abstract：Protected objectives, location, height, length, structure and landscaping were designed in accordance with the conditions of Hehuaifu Expressway, based on acoustics principles on noise barriers. The test with the indices shows that the noise barriers have achieved satisfying noise-decreasing, ecological and social effects.
2008, Vol. 6 
