Durability Characteristics of Polyvinyl Alcohol–Treated Oil Palm Shell Concrete

Thong, Chia Chia; Teo, D.C.L.; Ng, Chee Khoon

doi:10.1061/(asce)mt.1943-5533.0002066

Cited by 13 publications

(5 citation statements)

References 27 publications

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“…This is attributed to the precipitation of the solute and the formation of a thin film on the surface [36]. Although the surface treatment does not have a significant influence on the water absorption and strength of the single particles, it may affect the interface between the treated aggregate surface and the mortar [13]. When the cement was deposited on a smooth surface of the aggregate, it can increase the surface roughness and improve the mortar bond with the aggregate [37].…”

Section: Properties Of the Treated Aggregatesmentioning

confidence: 99%

“…Generally, the weak bond between the organic aggregate and the mortar is one of the main limiting factors for using the organic aggregates in concrete [13,21,45]. As shown in Fig.…”

Section: Compressive Strengthmentioning

confidence: 99%

“…The performance of concrete also is strongly related to the characteristics and loading-carrying capacity of the used aggregates [13]. The porous nature of the AS and the surface smooth textures result in the weak bond between the AS and the surrounding mortar [11].…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, coating treatment increased the rigidity of the wood and enhances its resistance against insect and fungal attack [22]. Thong et al [13] reported that the dispersion effect of polyvinyl alcohol may alter the flocculation state of the mortar near the aggregate surface through preventing the formation of a porous layer in the ITZ, which leads to a denser aggregate-mortar interface, and subsequently decreased water absorption of concrete. Coatanlem et al [24] reported that sodium silicate treated wood chippings improved its adhesion to mortar.…”

Section: Introductionmentioning

confidence: 99%

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Effect of surface treatment of apricot shell on the performance of lightweight bio-concrete

Liu

et al. 2019

Construction and Building Materials

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Section: Properties Of the Treated Aggregatesmentioning

confidence: 99%

“…Generally, the weak bond between the organic aggregate and the mortar is one of the main limiting factors for using the organic aggregates in concrete [13,21,45]. As shown in Fig.…”

Section: Compressive Strengthmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of surface treatment of apricot shell on the performance of lightweight bio-concrete

Liu

et al. 2019

Construction and Building Materials

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“…The collected PKSs were first washed with detergent soap and subsequently treated with 5% PVA. Previous research (Thong et al, 2017;Traore et al, 2018) had demonstrated that this treatment approach improves the water absorption quality of PKS. RH was sourced from mini rice processing mill within Ogbomoso, Nigeria.…”

Section: Methodsmentioning

confidence: 99%

Assessment of Workability and Compressive Strength of Rice Husk Ash-Blended Palm Kernel Shell Concrete

Oriola

2021

LAUJOCES

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The evaluation of agro-industrial by-products as alternative construction materials is becoming more significant as the demand for environmentally friendly construction materials increases. In this study, the workability and compressive strength of concrete produced by combining Palm Kernel Shell (PKS) and Rice Husk Ash (RHA) was investigated. Concrete mixes using a fixed content of 15% RHA as replacement for cement and 20, 40, 60, 80 and 100% PKS as replacement for crushed granite by volume with the mix ratios of 1:1½:3, 1:2:4 and 1:3:6 were produced. The water-to-cement ratios of 0.5, 0.6 and 0.7 were used for the respective mix ratios. Concrete without PKS and RHA served as control mix. The fresh concrete workability was evaluated through slump test. The concrete hardened properties determined were the density and compressive strength. The results indicated that the workability and density of PKSC were lower than control concrete, and they decreased as the PKS content in each mix ratio was increased. The compressive strength of concrete at 90 days decreased from 27.8-13.1 N/mm2, 23.8-8.9 N/mm2and 20.6-7.6 for 1:1½:3, 1:2:4 and 1:3:6, respectively as the substitution level of PKS increased from 0-100%. However, the compressive strength of concrete increased with curing age and the gain in strength of concrete containing RHA and PKSC were higher than the control at the later age. The concrete containing 15% RHA with up to 40% PKS for 1:1½:3 and 20% PKS for 1:2:4 mix ratios satisfied the minimum strength requirements for structural lightweight aggregate concrete (SLWAC) stipulated by the relevant standards. It can be concluded that the addition of 15% RHA is effective in improving the strength properties of PKSC for eco-friendly SLWAC production..

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Chemical Attacks on Lightweight Concrete Made with Industrial Waste

Jagarapu

Eluru

2022

Lecture Notes in Civil Engineering

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Durability Characteristics of Polyvinyl Alcohol–Treated Oil Palm Shell Concrete

Cited by 13 publications

References 27 publications

Effect of surface treatment of apricot shell on the performance of lightweight bio-concrete

Effect of surface treatment of apricot shell on the performance of lightweight bio-concrete

Assessment of Workability and Compressive Strength of Rice Husk Ash-Blended Palm Kernel Shell Concrete

Chemical Attacks on Lightweight Concrete Made with Industrial Waste

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