Combined effect of coconut shell and sugarcane bagasse ashes on the workability, mechanical properties and embodied carbon of concrete

Bheel, Naraindas; Sohu, Samiullah; Jhatial, Ashfaque Ahmed; Memon, Nasrullah; Kumar, Aneel

doi:10.1007/s11356-021-16034-3

Cited by 14 publications

(2 citation statements)

References 51 publications

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“…Concrete is one of the most widely used manmade construction materials on the globe. The large-scale use of concrete is due to its readily available raw materials, flexibility in use, good hardened properties, good durability performance in aggressive environments, adaptability to a variety of dimensions and shapes, and low cost of repair during the whole life cycle [1,2]. Cement production is rising rapidly to cope with demand.…”

Section: Introductionmentioning

confidence: 99%

“…The CO2 increases the greenhouse effect and contributes to global warming [7][8][9][10]. Much effort has gone into research for materials which can be used as cement replacement or supplemental cementitious materials (SCMs) to reduce CO2 emissions [2,5,11], and the use of nonrenewable raw materials. Commonly used SCMs are fly ash, blast furnace slag [12], palm oil fuel ash, rice husk ash, elephant grass ash, bamboo stem ash, wood waste ash, corn cob ash [13], coal bottom ash, and sugarcane bagasse ash (SCBA) [14], as well as silica fume (SF) [15].…”

Section: Introductionmentioning

confidence: 99%

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Mechanical Properties of Eco-friendly Concrete Made with Sugarcane Bagasse Ash

Abdalla

Koteng²,

Shitote³

et al. 2022

Civ Eng J

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Modern concretes lay emphasis on high strength in order to reduce structural member sizes to reduce materials used; high early strength to promote fast construction; high durability to reduce maintenance costs; and the incorporation of industrial and agricultural wastes to reduce environmental degradation. The incorporation of industrial and agricultural wastes into concrete as cement replacement materials reduces the amount of cement used in the production of concrete and the CO2emissions arising from cement production. Sugarcane bagasse is a waste product from the extraction of juice from sugar cane. It is estimated that 1.7 million tons of bagasse are produced worldwide every year. Much of the bagasse is used as boiler fuel and to produce electricity, and the ash is dumped in earth fills, resulting in critical environmental pollution that requires immediate attention. Available literature shows that when burned under controlled conditions, a pozzolanic ash of high silica content can be obtained, which can be used in concrete production with several advantages. This study investigates the mechanical properties of concrete designed for high strength and incorporating processed sugarcane bagasse ash in amounts of 10–40% by weight of cement in a binary combination with silica fume. Concrete workability in the fresh state and compressive, flexural, and tensile strengths in the hardened state are investigated. Water absorption of hardened concrete is also investigated as an indicator of potential durability. The results show that the mix containing 10% SCBA has the highest mechanical strength, and increasing the SCBA percentage reduces water absorption. However, the workability of concrete in the fresh state reduces substantially with an increase in ash content. Doi: 10.28991/CEJ-2022-08-06-010 Full Text: PDF

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Section: Introductionmentioning

confidence: 99%