Mechanical behavior of bio-based concrete under various loadings and factors affecting its mechanical properties at the composite scale: A state-of-the-art review

IF 5.3 Q2 ENGINEERING, ENVIRONMENTAL
Rafik Bardouh , Evelyne Toussaint , Sofiane Amziane , Sandrine Marceau
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Abstract

The utilization of environmentally friendly materials derived from agricultural sources is becoming more prevalent in the construction industry. Many studies have already been conducted on various agro-resources, providing a variety of information on the characteristics of botanical aggregates and bio-based concrete. However, the prediction of the mechanical behavior of bio-based concrete remains complex owing to the various factors that influence its properties. Hence, it is crucial to collect a multitude of diverse information scattered throughout the literature regarding the mechanical response of bio-based materials under different loading conditions.
This paper review aims to evaluate the mechanical behavior law and mechanical properties of bio-based concrete under various loadings (compression, flexion, and shear) in accordance with multi-plant-aggregates and different mineral binders. The literature has provided around 120 papers listing a compilation of 18 plant aggregates sourced from various origins that are utilized in plant-based concrete. On the other side, a few types of aggregates and binders were introduced in the literature regarding the mechanical behavior of bio-based concrete. Several factors can affect the mechanical properties of bio-based concrete at the composite scale such as the formulation, the casting process (energy), the curing conditions, the morphology of the aggregates, the density, the porosity, the mineral matrix properties, and particles/binder physicochemical interactions. Hence, this paper elaborates on a conceptual understanding that focuses on the mechanical response of bio-based concrete in relation to the various influencing factors up to the application of these materials in building sector.
生物基混凝土在各种荷载下的力学行为以及在复合尺度上影响其力学性能的因素:最新综述
在建筑业中,利用从农业资源中提取的环保材料正变得越来越普遍。针对各种农业资源已经开展了许多研究,提供了有关植物骨料和生物基混凝土特性的各种信息。然而,由于影响生物基混凝土特性的因素多种多样,对其力学行为的预测仍然十分复杂。因此,收集散见于文献中有关生物基材料在不同荷载条件下的力学响应的各种信息至关重要。本文综述的目的是评估生物基混凝土在不同荷载(压缩、弯曲和剪切)条件下与多植物骨料和不同矿物粘结剂相适应的力学行为规律和力学性能。文献提供了约 120 篇论文,列出了 18 种植物骨料的汇编,这些骨料来自不同的产地,可用于植物基混凝土。另一方面,关于生物基混凝土的力学性能,文献中也介绍了几种骨料和粘结剂。在复合尺度上,有多种因素会影响生物基混凝土的力学性能,如配方、浇注过程(能量)、养护条件、集料形态、密度、孔隙率、矿物基质性能以及颗粒/粘结剂的物理化学相互作用。因此,本文阐述了一种概念性理解,重点是生物基混凝土的机械响应与这些材料在建筑领域应用之前的各种影响因素的关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Cleaner Engineering and Technology
Cleaner Engineering and Technology Engineering-Engineering (miscellaneous)
CiteScore
9.80
自引率
0.00%
发文量
218
审稿时长
21 weeks
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