Bond performance of reinforcing bars in inorganic polymer concrete (IPC)

Sofi, Massoud; Deventer, J.S.J. van; Mendis, Priyan; Lukey, Grant C.

doi:10.1007/s10853-006-0534-5

Cited by 136 publications

(56 citation statements)

References 16 publications

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“…The geopolymer concrete failed in an explosive brittle manner. This was also observed by Sarker [21] and Sofi et al [22] who studied the bond behaviour of steel bars in geopolymer concrete. Figure 5 illustrates the geopolymer concrete splitting failure of the HGG specimens.…”

Section: Resultssupporting

confidence: 75%

Pullout behaviour of GFRP bars with anchor head in geopolymer concrete

Maranan

Manalo

Karunasena

et al. 2015

Composite Structures

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The geopolymer concrete internally reinforced with fibre-reinforced polymer (FRP) bars is anticipated to offer durable, sustainable, and cost-effective civil infrastructures. In this study, the effect of the anchor head on the pullout behaviour of the sand coated glass-fibrereinforced polymer (GFRP) bars embedded in the geopolymer concrete was investigated using a direct pullout test. Straight and headed GFRP bars with different nominal diameters Ø (12.7 mm, 15.9 mm, and 19.0 mm) and embedment lengths l d (0Ø+l ah , 5Ø+l ah , and 10Ø+l ah for headed bars, where l ah stands for the anchor head length, and 5Ø and 10Ø for straight bars) were considered. The results showed that the provision of anchor head is an efficient method to enhance the anchorage capacity of GFRP bars in geopolymer concrete. The anchor heads improved the anchorage of the sand coated GFRP bars by as much as 49% to 77%. Furthermore, the mechanical bearing resistance provided by the anchor head alone resulted in the development of approximately 45% of the GFRP bars' nominal tensile strength. A comparison of the experimental results with the published studies showed that a much higher load is required to pullout the GFRP bars in geopolymer concrete than in Ordinary Portland Cement-based concrete.

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Section: Resultssupporting

confidence: 75%

Pullout behaviour of GFRP bars with anchor head in geopolymer concrete

Maranan

Manalo

Karunasena

et al. 2015

Composite Structures

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“…[4][5][6] 지오폴리머 기술은 산업부산물의 재활 용이 가능하고, 5,7-10) 유해중금속의 고정화가 가능하며, [11][12][13] 나노 금속산화물을 합성할 수 있는 3가지 큰 특징이 있 다. 14) 중금속 고정화는 중금속 이온이 지오폴리머를 형성 하는 실리카나 알루미나 등과 반응하여 불용성화합물을 형성하거나 지오폴리머 기재 내의 양이온 위치에 치환 되는 등에 의해서 가능한 것으로 밝혀지고 있다.…”

Section: -3)unclassified

Preparation and Characterization of the Mine Residue-based Geopolymeric Ceramics

Son¹,

Lee²,

Kim³

et al. 2011

Korean. J. Mater. Res.

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The goal of the present work was to investigate the development of a geopolymeric ceramic material from a mixture of mine residue, coal fly ash, blast furnace slag, and alkali activator solution by the geopolymer technique. The results showed that the higher compressive strength of geopolymeric ceramic material increased with an increase in active filler (blast furnace slag + coal fly ash) contents and with a reduction of mine residue contents. The geopolymeric ceramic had very high early age strength. The compressive strength of the geopolymeric ceramic depended on the added active filler content. The maximum compressive strength of the geopolymeric ceramic containing 20 wt.% mine residue was 141.2 MPa. The compressive strength of geopolymeric ceramic manufactured by adding mine residue was higher than that of portland cement mortar, which is 60 MPa, when cured for 28 days. SEM observation showed the possibility of having amorphous aluminosilicate gel within geopolymeric ceramic. XRD patterns indicate that the geopolymeric ceramic was composed of amorphous aluminosilicate, calcite, quartz, and muscovite. The Korea Standard Leaching Test (KSLT) was used to determine the leaching potential of the geopolymeric ceramic. The amounts of heavy metals were noticeably reduced after the solidification of mine residue with active filler.

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“…[3,4] which are rich in Silica and Alumina can be used as a GSM in the development of geopolymer concrete. In spite of their diverse chemical composition and reactions [5,6] geopolymer concretes shows a number of attributes similar to conventional cement concrete whereas, a least number of works were attempted in the past to evaluate the bond behaviour steel reinforcement in geopolymer concrete. Hence, in this investigation, the bond behaviour of GPC with deformed reinforcing steel was evaluated using standard pull out test for 12 and 16 mm diameter bars as reinforcement for the grades of M40 and M50.…”

Section: Introductionmentioning

confidence: 99%

Bond characteristics of reinforcing steel embedded in geopolymer concrete

Kathirvel

Thangavelu

Gopalan

et al. 2017

IOP Conf. Ser.: Earth Environ. Sci.

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Abstract. The force transferring between reinforcing steel and the surrounding concrete in reinforced concrete is influenced by several factors. Whereas, the study on bond behaviour of geopolymer concrete (GPC) is lagging. In this paper, an experimental attempt has been made to evaluate the geopolymer concrete bond with reinforcing steel of different diameter and embedded length using standard pull out test. The geopolymer concrete is made of ground granulated blast furnace slag (GGBFS) as geopolymer source material (GSM). The tests were conducted to evaluate the development of bond between steel and concrete of grade M40 and M50 with 12 and 16 mm diameter reinforcing steel for geopolymer and cement concrete mixes and to develop a relation between bond strength and compressive strength. From the experimental results, it has been observed that the bond strength of the geopolymer concrete mixes was more compared to the cement concrete mixes and increases with the reduction in the diameter of the bar.

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Bond performance of reinforcing bars in inorganic polymer concrete (IPC)

Cited by 136 publications

References 16 publications

Pullout behaviour of GFRP bars with anchor head in geopolymer concrete

Pullout behaviour of GFRP bars with anchor head in geopolymer concrete

Preparation and Characterization of the Mine Residue-based Geopolymeric Ceramics

Bond characteristics of reinforcing steel embedded in geopolymer concrete

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