Fiber-Reinforced Coral Aggregate Concrete: A Review of Mechanical, Dynamic, and Durability Properties
Yuliu Wei, Mohd Nizam Shakimon, Peihuan Ye, Yuliang Chen
TL;DR
This review explores how adding fibers to coral aggregate concrete improves its strength and durability for use in island construction.
Contribution
The paper systematically reviews fiber reinforcement effects on mechanical, dynamic, and durability properties of coral aggregate concrete.
Findings
Fiber reinforcement increases splitting tensile strength by up to 58% and flexural strength by up to 68%.
Fibers improve ductility and energy dissipation in coral aggregate concrete under dynamic loading.
Compressive strength and elastic modulus improvements are limited to about 23% and 7%, respectively.
Abstract
Coral aggregate concrete (CAC) is a promising sustainable material for construction on remote islands, but it is often limited by relatively low strength and durability. Fiber reinforcement has therefore been introduced as an effective modification strategy. This review focuses on fiber-reinforced coral aggregate concrete (FRCAC), highlighting the roles of different synthetic and natural fibers in improving its performance. Firstly, the characteristics of coral aggregates and the effects of seawater mixing are summarized. Then, the influence of fiber incorporation on the mechanical behavior of CAC under static loading, including compressive, tensile, and flexural responses, is reviewed. In addition, the performance of FRCAC under dynamic and complex loading conditions, such as impact, cyclic, and triaxial loading, is discussed. Overall, fiber reinforcement significantly enhances the…
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Taxonomy
TopicsInnovative concrete reinforcement materials · Microbial Applications in Construction Materials · Concrete and Cement Materials Research