Durability Performance of Styrene Acrylic Emulsion –Treated Oil Palm Shell Concrete
Abstract
Oil palm shell concrete, often known as OPS concrete, has been used in several areas of the construction industry. It is essential to investigate and understand the behaviour of OPS concrete over a long period to reach more reliable conclusions about the application of OPS in constructed buildings. This paper attempts to discuss in detail an experimental study on the durability of lightweight concrete produced from oil palm shell (OPS) treated with styrene acrylic emulsion (SAE) as a complete replacement for conventional coarse aggregate compared to untreated OPS concrete. Water absorption, intrinsic air permeability, porosity, carbonation depth, capillary absorption, and drying shrinkage are among the tests performed to establish the durability properties of SAE-treated OPS concrete. The effects of exposure in open-air curing conditions on the durability properties of SAE-treated OPS concrete are addressed. As a result, specimen S10 showed better performance in terms of water absorption and capillarity, permeability, porosity, carbonation depth, and drying shrinkage properties when compared to S20 and NT. On the surface of OPS, SAE particles serve as fillers for reinforced cementitious materials. As a result, it produces a high packing density and reduces the permeability of the concrete. At the same time, the durability of concrete has been improved. In conclusion, the test results showed that treated OPS concrete performed better than untreated OPS concrete when the concrete was subjected to open air curing conditions.
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