The Feasibility of Palm Kernel Shell as a Replacement for Coarse Aggregate in Lightweight Concrete

International Conference on Advances in Renewable Energy and Technologies 2016

Itam, Zarina^1 ; Beddu, Salmia^1 ; Mohd Kamal, Nur Liyana^1 ; Alam, Md Ashraful^1 ; Ayash, Usama Issa^1

Department of Civil Engineering, Universiti Tenaga Nasional, Malaysia^1

关键词: Coarse aggregates;    Concrete workabilities;    Environmental-friendly;    Light weight aggregate;    Malaysian construction industry;    Palm kernel shells;    Positive impacts;    Sustainable materials;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/32/1/012040/pdf
DOI  :  10.1088/1755-1315/32/1/012040

来源: IOP

【 摘 要 】

Implementing sustainable materials into the construction industry is fast becoming a trend nowadays. Palm Kernel Shell is a by-product of Malaysia's palm oil industry, generating waste as much as 4 million tons per annum. As a means of producing a sustainable, environmental-friendly, and affordable alternative in the lightweight concrete industry, the exploration of the potential of Palm Kernel Shell to be used as an aggregate replacement was conducted which may give a positive impact to the Malaysian construction industry as well as worldwide concrete usage. This research investigates the feasibility of PKS as an aggregate replacement in lightweight concrete in terms of compressive strength, slump test, water absorption, and density. Results indicate that by using PKS for aggregate replacement, it increases the water absorption but decreases the concrete workability and strength. Results however, fall into the range acceptable for lightweight aggregates, hence it can be concluded that there is potential to use PKS as aggregate replacement for lightweight concrete.