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Durability of Lightweight Concrete Using Oil Palm Shell as Aggregates

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Document pages: 13 pages

Abstract: Oil Palm Shell (OPS) concrete can be used in different fields ofconstruction. To determine more accurately the fields of application, it isimportant to know and understand the behaviour of OPS concrete over the long term and when it is in aggressive environments. This paper presentsthe results of studies conducted on the durability of OPS concrete. Waterabsorption capacity, electrical resistivity and apparent diffusion of chlorideions have been measured on different concrete samples. In addition, the behaviourof OPS concretes to carbonation was studied in an environment rich in carbondioxide. Results show that OPS concrete has anabsorptivity of 0.97 kg m2·h1 2, an electrical resistivity of 64.37 Ω·m and an apparent diffusion coefficient of chloride ions of 3.84 × 10-12 m2 s after 90 days. Allthese results of OPS concrete are very close to those of concrete with normalaggregate and other lightweight concrete, which meanOPS concretes have globally good properties with regard to durability.

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