Mohamad Safwan Ja’afar creator author. text abstract or summary m 2 2 monographic eng xii, 57 pages : illustrations (some color) ; 30 cm. + 1 CD-ROM The production of concrete consumes a larger number of natural resources. The oil palm shell (OPS) was one of the major producer waste material from the oil palm industry and fly ash (FA) wastes from combustion. These wastes have caused many environmental problems. In order to solve this problem, the OPS was used to replace coarse aggregate and FA as a partial cement replacement. This research is to investigate workability, compressive strength, flexural strength, splitting tensile strength and modulus of elasticity of OPS lightweight aggregate concrete (LWAC) containing FA. 10, 20, 30, and 40% of FA added in the concrete as partial cement replacement. A total of 180 specimens were subjected to air curing for testing. The result demonstrates the reduction of strength when the increasing level of FA in the specimen. The OPS LWAC containing 20% of FA still can be used for structural application. specialized Mohamad Safwan Ja’afar Faculty of Civil Engineering and Earth Resources Project Paper (Bachelors of Civil Engineering) -- Universiti Malaysia Pahang – 2019 Includes bibliographical references Faculty of Civil Engineering and Earth Resources Dissertations Universities and colleges Dissertations Theses THE0008984(Local) UMP 201112 20251125105808.0 eng