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Computers and Concrete
  Volume 19, Number 5, May 2017 , pages 515-526

Palm oil industry\'s bi-products as coarse aggregate in structural lightweight concrete
Md. Nazmul Huda, Mohd Zamin Jumaat, A.B.M. Saiful Islam, Kh Mahfuz ud Darain, M. Obaydullah and Md. Akter Hosen

    Recent trend is to use the lightweight concrete in the construction industry because it has several advantages over normal weight concrete. The Lightweight concrete can be produced from the industrial waste materials. In South East Asian region, researchers are very keen to use the waste materials such as oil palm shell (OPS) and palm oil clinker (POC) from the palm oil producing industries. Extensive research has been done on lightweight concrete using OPS or POC over the last three decades. In this paper the aggregate properties of OPS and POC are plotted in conjunction with mechanical and structural behavior of OPS concrete (OPSC) and POC concrete (POCC). Recent investigation on the use of crushed OPS shows that OPSC can be produced to medium and high strength concrete. The density of OPSC and POCC is around 20-25% lower than normal weight concrete. Generally, mechanical properties of OPSC and POCC are comparable with other types of lightweight aggregate concrete. It can be concluded from the previous study that OPSC and POCC have the noteworthy potential as a structural lightweight concrete.
Key Words
    agricultural waste materials; oil palm shell (OPS); palm oil clinker (POC); coarse aggregate; mechanical properties; structural behavior
Md. Nazmul Huda, Mohd Zamin Jumaat, Kh Mahfuz ud Darain, M. Obaydullah and Md. Akter Hosen: Department of Civil Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia
A.B.M. Saiful Islam: Department of Construction Engineering, College of Engineering, University of Dammam, 31451, Dammam, Saudi Arabia

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