Self-Healing Nano-Concrete for Futuristic Infrastructures: A Review

Shaheen, N. and Khushnood, R.A. and Musarat, M.A. and Alaloul, W.S. (2022) Self-Healing Nano-Concrete for Futuristic Infrastructures: A Review. Arabian Journal for Science and Engineering.

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Abstract

Spontaneous self-healing is an imperative requisite for sustaining the structural life of cementitious composites substituting the fissures and pores by restricting the ingress of hazardous chemicals. The intrinsic self-healing ability of cementitious composites is inadequate that enforcing the submissions of extrinsic self-healing for imparting resilience, durability and survivability. Profoundly, robust extrinsic self-healing action can be accomplished by arresting the cracks at the nano-level via inhibiting their progression at micro- and macro-levels. The exceptional chemical and physical configuration of nanomaterials facilitates their potential application as self-healing agent for inducing inherent self-healing characteristics inside the cementitious composites at nano-level. These self-healing nano-modificient includes expansive agents, nano-polymers, secondary raw materials, nano-metallic and nano-chemical insertions. However, the applications of these nano-modificent agents are explored in the refining of structural, mechanical and electromechanical properties of concrete, extensively. Owing to development of biological self-healing concrete, a scientific shift has been observed in attaining self-healing at nano-level. In this review, the existing application of nano-modificent agents for imparting self-healing characteristics inside the cementitious systems is discussed in addition to future challenges and prospects. © 2022, King Fahd University of Petroleum & Minerals.

Item Type: Article
Impact Factor: cited By 0
Depositing User: Ms Sharifah Fahimah Saiyed Yeop
Date Deposited: 17 Mar 2022 03:02
Last Modified: 17 Mar 2022 03:02
URI: http://scholars.utp.edu.my/id/eprint/28982

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