Augmentation of mechanical and bond strength of coconut shell concrete using quarry dust

Gunasekaran, K.; Chandar, S. Praksah; Annadurai, R.; Satyanarayanan, K.S.

doi:10.1080/19648189.2016.1144540

Cited by 17 publications

(15 citation statements)

References 10 publications

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“…The experimental results were more than the theoretical bond strength recommended by both IS 456: 2000 [ 25 ] and BS 8110 [ 28 ]. The bond strength decreased as the diameter of the bar increased, whether a plain bar or deformed bar, which is similar to earlier studies [ 10 , 26 ]. This is because of the volume of concrete and confining pressure on the steel bars.…”

Section: Resultssupporting

confidence: 91%

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Optimization of Coconut Fiber in Coconut Shell Concrete and Its Mechanical and Bond Properties

Sekar

Kandasamy

2018

Materials

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Coconut shell concrete is one of the recently established lightweight concretes. This paper discusses the optimization of adding coconut fibers in both coconut shell concrete and conventional concrete. Coconut fibers at different aspect ratios of 16.67, 33.33, 50, 66.67, 83.33, and 100 and volume fractions of 1, 2, 3, 4, and 5% were tried. The maximum compressive strength was attained at an aspect ratio of 83.33 and volume fraction of 3% for conventional concrete, and aspect ratio 66.67 and volume fraction 3% for coconut shell concrete. Flexural strength increased by 30.63% (conventional concrete) and 53.66% (coconut shell concrete) on the addition of coconut fibers. Similarly, the split tensile strength increased by 19.44% and 30%, respectively. The number of blows needed for failure of specimen in impact resistance test was more for concrete mixed with fibers. The experimental bond stresses were higher than the theoretical values recommended by IS 456: 2000 (Indian Standard) and BS 8110 (British Standard). This study shows that the addition of coconut fiber enhances the properties of both conventional and coconut shell concrete.

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Section: Resultssupporting

confidence: 91%

“…This is due to fibrous nature of the coconut shell. The same trend was observed in the earlier studies on coconut shell concrete [ 10 , 26 ].…”

Section: Resultssupporting

confidence: 89%

Optimization of Coconut Fiber in Coconut Shell Concrete and Its Mechanical and Bond Properties

Sekar

Kandasamy

2018

Materials

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“…The normal mix design that is used for conventional concrete cannot be used for lightweight concrete (LWC) [10,11,17]. Hence it is always better to go for trial mix to achieve LWC [10,[18][19][20][21][22]. The best mix involves a proper balance between the economy and required properties of concrete [18].…”

Section: Proportion Of Coconut Shell In Lightweight Coconut Shell Conmentioning

confidence: 99%

Experimental study on the strength of lightweight geopolymer concrete with eco-friendly material

Swaminathan¹,

Elangovan²,

Anandan³

2020

JCE

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Experimental study on the strength of lightweight geopolymer concrete with eco-friendly materialThe differences in properties between the lightweight aggregate concrete and normal conventional concrete at the selected equivalent mix ratios have forbidden the former from being used widely in construction industry. Studies have shown that the use of GGBS as a partial replacement of cementitious material, and M-sand as a replacement of fine aggregate, results in an increased strength in geopolymer normal weight concrete. In this study, Coconut shell is used as a replacement of conventional coarse aggregate to produce lightweight geopolymer coconut shell green concrete.

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“…The effluent from the decortication technique causes serious pollution when it is permitted to stream into conduits. [5]…”

Section: Environmental Impactsmentioning

confidence: 99%

Augmentation of Mechanical Properties of Sisal Fiber Concrete

Balasubramanian¹,

S²,

Panwar.D³

2018

IJET

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The properties of sisal fiber concrete were examined in this investigation. To find out the mechanical properties such as compressive strength, flexural strength, tensile strength was carried out for the control concretes. The similar mix proportion which was utilized to cast control concrete was used to cast sisal fiber concrete were considered and evaluated with the theoretical values as recommended by IS 456 and BS 8110 standards. For comparison, both conventional and SF concrete have been considered to study. The mix design for M20, M30 and M40 grade of concrete was finished with four distinct proportions of control concrete in trail and error method as per IS10262 – 2009. Four distinctive aspect ratios, four distinctive dosages of fiber were added to the concrete mix to find out the optimum quantity of fiber and aspect ratio. Mix batches of concrete containing 0.5%, 1%, 1.5%, 2% dosage of fiber in the aspect ratio of 100, 200, 300 and 400 were cast. This study proves that the mechanical and bond properties of both SF concrete and conventional concrete as well.

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Augmentation of mechanical and bond strength of coconut shell concrete using quarry dust

Cited by 17 publications

References 10 publications

Optimization of Coconut Fiber in Coconut Shell Concrete and Its Mechanical and Bond Properties

Optimization of Coconut Fiber in Coconut Shell Concrete and Its Mechanical and Bond Properties

Experimental study on the strength of lightweight geopolymer concrete with eco-friendly material

Augmentation of Mechanical Properties of Sisal Fiber Concrete

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