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Study of Characteristics of Alccofine-Based Coconut Shell Lightweight Concrete Beams Under Flexure
Globally, the role of lightweight concrete in reducing the self-weight of concrete structures is under research. The coconut shell could be used to replace the natural coarse aggregate to achieve lightweight concrete. The demerit of reduction in strength characteristics could be addressed to effectively utilize the waste coconut shell. The present study concentrated on the density and strength characteristics of Alccofine (ultrafine GGBFS)-based coconut shell lightweight concrete (30CS 6A, 30CS 8A, 30CS 10A, 30CS 12A) to arrive at an optimum mix. 30CS 8A (replacing 30% of natural aggregate with coconut shell aggregate and 8% of cement with Alccofine) has arrived as optimum. Beam specimens (100 × 150 × 1200 mm) were cast using control mix (CC_B) and optimum mix (30CS 8A_B) to analyse for the flexural characteristics. Parametric analysis was carried to compare the crack pattern, ultimate load, ultimate moment, stiffness, flexural toughness and ductility ratio. The comparison shows that the mix 30CS 8A could be effectively used to cast flexural components to achieve reduced self-weight, without compromising the flexural characteristics.
Study of Characteristics of Alccofine-Based Coconut Shell Lightweight Concrete Beams Under Flexure
Globally, the role of lightweight concrete in reducing the self-weight of concrete structures is under research. The coconut shell could be used to replace the natural coarse aggregate to achieve lightweight concrete. The demerit of reduction in strength characteristics could be addressed to effectively utilize the waste coconut shell. The present study concentrated on the density and strength characteristics of Alccofine (ultrafine GGBFS)-based coconut shell lightweight concrete (30CS 6A, 30CS 8A, 30CS 10A, 30CS 12A) to arrive at an optimum mix. 30CS 8A (replacing 30% of natural aggregate with coconut shell aggregate and 8% of cement with Alccofine) has arrived as optimum. Beam specimens (100 × 150 × 1200 mm) were cast using control mix (CC_B) and optimum mix (30CS 8A_B) to analyse for the flexural characteristics. Parametric analysis was carried to compare the crack pattern, ultimate load, ultimate moment, stiffness, flexural toughness and ductility ratio. The comparison shows that the mix 30CS 8A could be effectively used to cast flexural components to achieve reduced self-weight, without compromising the flexural characteristics.
Study of Characteristics of Alccofine-Based Coconut Shell Lightweight Concrete Beams Under Flexure
Lecture Notes in Civil Engineering
Nandagiri, Lakshman (Herausgeber:in) / Narasimhan, M. C. (Herausgeber:in) / Marathe, Shriram (Herausgeber:in) / Bhuvaneshwari, P. (Autor:in) / Sanjeev Kumar, L. J. (Autor:in)
International Conference on Civil Engineering Trends and Challenges for Sustainability ; 2021
27.06.2022
14 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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