Utilization of ground granulated blast furnace slag as partial cement replacement in lightweight oil palm shell concrete

Mo, Kim Hung; Alengaram, U. Johnson; Jumaat, Mohd Zamin

doi:10.1617/s11527-014-0336-1

Cited by 63 publications

(37 citation statements)

References 43 publications

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“…This agrees well to the previous finding involving GGBS in OPSC and this could be attributed to the delayed hydration of GGBS [2]. Nevertheless, in terms of environment sustainability, the use of higher amount of GGBS in OPSC is more advantageous since the decrease in compressive strength could be compensated by the significant reduction in carbon dioxide emission due to the use of cement [2]. The mean cylinder to cube compressive strength ratio for the mix C4 which contained 60% GGBS was about 0.70 and thus it could be said that the GGBS content had little influence on the cylinder to cube compressive strength ratio.…”

Section: Compressive Strengthsupporting

confidence: 93%

“…According to both the cube and cylinder compressive strengths in Table 3, it was found that when the GGBS content was increased in OPSC, the strength was decreased by about 12%. This agrees well to the previous finding involving GGBS in OPSC and this could be attributed to the delayed hydration of GGBS [2]. Nevertheless, in terms of environment sustainability, the use of higher amount of GGBS in OPSC is more advantageous since the decrease in compressive strength could be compensated by the significant reduction in carbon dioxide emission due to the use of cement [2].…”

Section: Compressive Strengthsupporting

confidence: 91%

“…Re-using the aggregate to produce OPSC could greatly solve the disposal problem of the OPS in addition to reduce the dependence of conventional granite aggregate. The possibility of using ground granulated blast furnace slag (GGBS)-blended cement in OPSC for additional environment benefit was also explored previously and it was found that the use of 20% GGBS as partial cement replacement could achieve similar strength properties as the concrete without GGBS [2].…”

Section: Introductionmentioning

confidence: 99%

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Compressive behaviour of lightweight oil palm shell concrete incorporating slag

Alengaram

Jumaat

2015

Construction and Building Materials

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Section: Compressive Strengthsupporting

confidence: 93%

Section: Compressive Strengthsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

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Compressive behaviour of lightweight oil palm shell concrete incorporating slag

Alengaram

Jumaat

2015

Construction and Building Materials

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“…Previous studies reported that the substitution of OPC with mineral admixture in structural LWC reduced the density of concrete (Kılıç et al, 2003;Shafigh et al, 2013), which may be attributed to the lower specific gravity of the supplementary cementitious material compared to OPC (Akçaözoğlu and Atiş, 2011;Mo et al, 2014b). In this study, RHA has a lower specific gravity (2.30) than OPC (3.10), and, hence, the replacement of 15% of OPC had a direct influence on the density reduction.…”

Section: Densitymentioning

confidence: 51%

“…In the past, it was shown that the production of OPSC required a high amount of cement content up to 550 kg/m 3 (Shafigh et al, 2012;Mo et al, 2014b). Therefore, in this study, to produce high strength LWC, the binder content was fixed at 550 kg/m 3 for all mixes.…”

Section: Designmentioning

confidence: 98%

Enhancement of the mechanical properties of lightweight oil palm shell concrete using rice husk ash and manufactured sand

Foong

Alengaram

Jumaat

et al. 2015

J. Zhejiang Univ. Sci. A

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Abstract:This study explores the use of rice husk ash (RHA) and manufactured sand (M-sand) as replacements for cement and fine aggregate, respectively, in lightweight oil palm shell concrete (OPSC). In the first stage of this study, the effect of various cement replacement levels, with RHA (5%, 10%, 15%, and 20%) and 100% sand replacement with M-sand and quarry dust (QD), on the compressive strength of OPSC was investigated. The results showed that the highest compressive strength of OPSC of about 51.49 MPa was achieved with the use of 15% RHA and M-sand. In the second stage of the work, the variables of RHA (0 and 15%) and M-sand (0, 50%, and 100%) were used to investigate their combined effects on the mechanical properties of OPSC. It was found that the combination of 15% RHA and 100% M-sand gave the best performance of OPSC in terms of mechanical properties, such as compressive, splitting tensile, flexural strength, and Young's modulus.

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In–situ Molten Salt Template Strategy for Hierarchical 3D Porous Carbon from Palm Shells as Advanced Electrochemical Supercapacitors

Dong

Wang

et al. 2016

ChemistrySelect

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Porous carbon with a large specific surface area, high electrical conductivity and suitable pore sizes possesses large potential for electrochemical capacitance. Herein, a 3D hierarchical porous carbon materials (PC) were synthesized through in-situ molten salt template route by using the renewable biomass waste palm shell as carbon source. The unique structures endow the synthetic PC excellent capacitive performance. As electrode for supercapacitors, the typical PC-1-700 sample showed excellent electrochemical capacitance (up to 326 F g À1 at 0.5 A g À1 ), cycling stability (99 % retention of its initial capacity) and perfect rate performance in 6 M KOH electrolyte. For security considerations, we have chosen the aqueous and the ionic liquid as the electrolyte in two-electrode cells. For the two-electrode symmetric supercapacitors, the maximum energy densities could be 10.4 Wh kg À1 in aqueous electrolytes, while it can deliver as high as 42.5 Wh kg À1 in ionic liquid electrolyte. The supercapacitor was capable of lighting a LED light bulb (3 V). The strategy holds great promise for preparing functional carbon materials from natural resources for fulfilling the demand in different areas.[a] J.

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Utilization of ground granulated blast furnace slag as partial cement replacement in lightweight oil palm shell concrete

Cited by 63 publications

References 43 publications

Compressive behaviour of lightweight oil palm shell concrete incorporating slag

Compressive behaviour of lightweight oil palm shell concrete incorporating slag

Enhancement of the mechanical properties of lightweight oil palm shell concrete using rice husk ash and manufactured sand

In–situ Molten Salt Template Strategy for Hierarchical 3D Porous Carbon from Palm Shells as Advanced Electrochemical Supercapacitors

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