Durability of lightweight OPS concrete under different curing conditions

Teo, D.C.L.; Mannan, Md. Abdul; Kurian, V.J.

doi:10.1617/s11527-008-9466-7

Cited by 54 publications

(16 citation statements)

References 27 publications

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“…The water absorption has a direct relationship with the voids, the absorption increased as the voids increased [43]. A similar trend was observed in the results obtained by Teo et al (2010) [44], which indicated that the high porosity of OPS aggregate increased the water absorption of the concrete as compared to the conventional concrete, like other lightweight aggregates concrete. The lower porosity of the granite aggregate in the normal concrete mixture restricts the rate of water absorption as compared to the POC concrete.…”

Section: Water Absorptionsupporting

confidence: 82%

Effect of Coating Palm Oil Clinker Aggregate on the Engineering Properties of Normal Grade Concrete

2017

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Palm oil clinker (POC) is a waste material generated in large quantities from the palm oil industry. POC, when crushed, possesses the potential to serve as an aggregate for concrete production. Experimental investigation on the engineering properties of concrete incorporating POC as aggregate and filler material was carried out in this study. POC was partially and fully used to replace natural coarse aggregate. The volumetric replacements used were 0, 20%, 40%, 60%, 80%, and 100%. POC, being highly porous, negatively affected the fresh and hardened concrete properties. Therefore, the particle-packing (PP) method was adopted to measure the surface and inner voids of POC coarse aggregate in the mixtures at different substitution levels. In order to enhance the engineering properties of the POC concrete, palm oil clinker powder (POCP) was used as a filler material to fill up and coat the surface voids of POC coarse, while the rest of the mix constituents were left as the same. Fresh and hardened properties of the POC concrete with and without coating were determined, and the results were compared with the control concrete. The results revealed that coating the surface voids of POC coarse with POCP significantly improved the engineering properties as well as the durability performance of the POC concrete. Furthermore, using POC as an aggregate and filler material may reduce the continuous exploitation of aggregates from primary sources. Also, this approach offers an environmental friendly solution to the ongoing waste problems associated with palm oil waste material.

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Section: Water Absorptionsupporting

confidence: 82%

Effect of Coating Palm Oil Clinker Aggregate on the Engineering Properties of Normal Grade Concrete

2017

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“…Past studies have also shown that the cementitious hydration can be enhanced due to the process of internal curing from the internal reservoir of water absorbed by the lightweight aggregate [11,12]. Furthermore, the high absorption capacity of OPS aggregates may also strengthen the contact zone between the cement paste and the OPS through the formation of new hydrated compounds at the interface zone when SSD aggregates are used during mixing [13]. …”

Section: Compressive Strengthmentioning

confidence: 99%

The effect of aggregate condition during mixing on the mechanical properties of oil palm shell (OPS) concrete

Teo

Lee

2016

MATEC Web Conf.

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Abstract. One of the key characteristics affecting the properties of OPS concrete is the saturation condition of the coarse aggregates used during mixing. In this current study, the effect of different aggregate saturation conditions during mixing on the slump, compressive, flexural and splitting tensile strength of OPS concrete was investigated. Three aggregate saturation conditions were employed, namely saturated-surface-dry (SSD), air-dry (AD) and sun-dry (SD). The results revealed that the SD mix had a higher slump value than AD mix and SSD mix. On the other hand, SSD mix registered better compressive, flexural and splitting tensile strength compared to the AD and SD mix. This suggests that the use of SSD aggregates is more effective in producing higher strength concretes which could be credited to the internal curing provided by the SSD aggregates.

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“…However, the OPS concrete's modulus of elasticity can be further improved to the normal weight concrete ranges by deploying certain methods which are contingent upon the use of old OPS and old crushed OPS [24,25]. Teo et al (2010) have analyzed the OPS structural lightweight concrete's durability properties under different curing conditions. They revealed that both OPS structural lightweight concretes and conventional lightweight concretes are having similar durability properties.…”

Section: Propertiesmentioning

confidence: 99%

“…They reported that OPS concrete requires proper curing to attain superior durability over the conventional lightweight concretes. In addition, they suggest that the least possible period of moist curing must be done for 7 continuous days [27]. Besides, a comparison between bond properties of OPS concrete and normal weight concrete [28] showed that the OPS concrete's bond stress was 86% of the corresponding normal weight concrete, however, the OPS concrete had 2.5 times higher bond stress as an ultimate value in comparison with the theoretical values determined according to the BS 8110 [29].…”

Section: Propertiesmentioning

confidence: 99%

Toward Sustainability in Concrete Industry by Using Of Solid Wastes from Palm Oil Industry

et al. 2016

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Abstract. Nowadays, one of the most important construction materials is concrete. By the advances of the industries in the urban areas, concrete is considered as one of the highest demands. As a result, the large amount of unprocessed materials is needed for making concrete. In the meantime, the agricultural wastes and solid material disposal are giving serious damages to the environment. As a result, by employing the agricultural wastes as a cementitious material, the undesirable impacts of the concrete industry to the environment will be dramatically decreased. That's because the source of these newly developed concretes is both reliable and environmental friendly. In this study, the utilization of agricultural wastes as a complementary cementitious material for producing the concrete is explained. In addition, it discusses the possibility of deploying the agricultural wastes by considering their engineering, physical and chemical properties. In addition, the successful use of agricultural wastes from oil palm industry such as oil palm shell, palm oil fuel ash and palm oil fibre in the concrete mixture was reported.

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Durability of lightweight OPS concrete under different curing conditions

Cited by 54 publications

References 27 publications

Effect of Coating Palm Oil Clinker Aggregate on the Engineering Properties of Normal Grade Concrete

Effect of Coating Palm Oil Clinker Aggregate on the Engineering Properties of Normal Grade Concrete

The effect of aggregate condition during mixing on the mechanical properties of oil palm shell (OPS) concrete

Toward Sustainability in Concrete Industry by Using Of Solid Wastes from Palm Oil Industry

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