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Articles 1 - 2 of 2
Full-Text Articles in Civil Engineering
A New Method Of Producing High Strength Oil Palm Shell Lightweight Concrete, Zamin Jumaat
A New Method Of Producing High Strength Oil Palm Shell Lightweight Concrete, Zamin Jumaat
Zamin Jumaat
This paper presents a new method to produce high strength lightweight aggregate concrete (HSLWAC) using an agricultural solid waste, namely oil palm shell (OPS). This method is based on crushing large old OPS. Crushed OPS are hard and have a strong physical bond with hydrated cement paste. The 28 and 56 days compressive strength achieved in this study were about 53 and 56 MPa, respectively. Furthermore, it was observed that it was possible to produce grade 30 OPS concrete without the addition of any cementitious materials. Compared to previous studies, significantly lower cement content was used to produce this grade …
New Twelve Node Serendipity Quadrilateral Plate Bending Element Based On Mindlin-Reissner Theory Using Integrated Force Method, Zamin Jumaat
New Twelve Node Serendipity Quadrilateral Plate Bending Element Based On Mindlin-Reissner Theory Using Integrated Force Method, Zamin Jumaat
Zamin Jumaat
The Integrated Force Method (IFM) is a novel matrix formulation developed for analyzing the civil, mechanical and aerospace engineering structures. In this method all independent/internal forces are treated as unknown variables which are calculated by simultaneously imposing equations of equilibrium and compatibility conditions. This paper presents a new 12-node serendipity quadrilateral plate bending element MQP12 for the analysis of thin and thick plate problems using IFM. The MindlinReissner plate theory has been employed in the formulation which accounts the effect of shear deformation. The performance of this new element with respect to accuracy and convergence is studied by analyzing many …