Acoustic and non-acoustic performance of coal bottom ash concrete as sound absorber for wall concrete

• Main Authors: Ramzi Hannan, Nurul Izzati Raihan, Shahidan, Shahiron, Ali, Noorwirdawati, Bunnori, Norazura Muhamad, Mohd Zuki, Sharifah Salwa, Wan Ibrahim, Mohd Haziman
• Format: Article
• Published: Elsevier 2020
• Subjects: TA Engineering (General). Civil engineering (General)
• Online Access: http://eprints.um.edu.my/25222/; https://doi.org/10.1016/j.cscm.2020.e00399

The huge production of Coal Ash has contributed to environmental issues such as contaminated ground and surface water due to limited dumping space. Coal bottom ash (CBA) is still treated as waste and often placed into impoundment ponds, silos or landfills. This paper presents the acoustic and non-ac...