Numerical Simulation of the Performance of Self-Healing Concrete in Beam Elements

被引：1
作者：
Alkhuzai, Khalid [1 ]
Di Sarno, Luigi [2 ]
Haredy, Abdullah [3 ]
Alahmadi, Raed [1 ]
Albuhairi, Danah [2 ]
机构：
[1] Albaha Univ, Fac Engn, Dept Civil Engn, Albaha 65731, Saudi Arabia
[2] Univ Liverpool, Sch Engn, Liverpool L69 3GH, England
[3] Albaha Univ, Fac Engn, Dept Architecture, Albaha 65731, Saudi Arabia
来源：
BUILDINGS | 2023年 / 13卷 / 03期
关键词：
self-healing concrete; finite element modeling; structural resilience; sustainability; PLASTIC-DAMAGE MODEL;
D O I：
10.3390/buildings13030809
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The formation of cracks in concrete structures occurs due to a multitude of causes ranging from shrinkage to external loading and environmental exposure. This phenomenon can significantly affect the lifecycle of concrete structures. Self-healing concrete (SHC) is considered a promoted innovation capable of overcoming this inevitable occurrence. In accordance with current SHC development processes, this paper utilizes the numerical simulation approach to test the performance of reinforced SHC beam specimens modeled using the commercial software ABAQUS 6.14 (Velizy-Villacoublay, France). This paper aims to contribute to the scarce literature on SHC models by utilizing the overlooked dicyclopentadiene (DCPD) agent and ambiguous variability of crystalline admixtures. The SHC is introduced to the beam models at various depths and analyzed using load against displacement curves compared with a reference model of ordinary concrete. The effects of SHC on the mechanical properties of structural elements were determined. The results show a distinct improvement of the load-carrying capacity of SHC beams, indicating an efficient contribution of SHC in structural applications.
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页数：12
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