创新型轻质混凝土:纤维、细菌和纳米材料的影响

IF 2.4 3区 化学 Q3 POLYMER SCIENCE
Hatice Elif Beytekin, Öznur Biricik Altun, Ali Mardani, Filiz Şenkal Sezer
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引用次数: 0

摘要

据报道,为了提高轻质混凝土(LC)混合物的强度、渗透性和耐久性能,已经开展了各种研究。对生产可持续和生态型轻质混凝土进行了广泛的研究。在此背景下,各种创新材料和方法的使用得到了证实。在这方面,通过使用纤维、纳米材料和细菌自愈来延长混凝土的使用寿命是其中一种应用方法。本研究详细比较了纤维、纳米材料和细菌的使用对 LC 混合物的工作性、单位重量、强度、韧性、弹性模量、抗冲击性、渗透性、干燥收缩性、冻融性、耐高温性和导热性能的影响。结果表明,随着纤维和纳米材料的加入,低聚物混合物的工作性、比重、渗透性、导热性和干燥收缩值降低,而强度、耐高温性、耐冻融性和韧性性能提高。值得强调的是,混合物的强度、渗透性能和弹性模量值随着细菌的加入而增加。此外,纤维的使用对弹性模量的影响不大。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Innovative lightweight concrete: effect of fiber, bacteria and nanomaterials

Innovative lightweight concrete: effect of fiber, bacteria and nanomaterials

It was reported that various studies have been carried out to increase the strength, permeability and durability performances of lightweight concrete (LC) mixtures. Extensive research was carried out on the production of sustainable and ecologic LC. In this context, the use of various innovative materials and methods have been demonstrated. In this direction, increasing the service life of concrete produced by the use of fiber, nanomaterials and self-healing with bacteria is one of the applied methods. In this study, the effects of the use of fiber, nanomaterials and bacteria on the workability, unit weight, strength, toughness, modulus of elasticity, impact resistance, permeability, drying-shrinkage, freeze–thaw, high temperature resistance, thermal conductivity performance of LC mixtures have been compared in detail. It was reported that workability, specific gravity, permeability, thermal conductivity and drying-shrinkage values decrease, while strength, high temperature resistance, freeze–thaw resistance and toughness performance increase with the addition of fiber and nanomaterials to LC mixtures. While it was emphasized that the strength and permeability performance and elasticity modulus values of the mixtures increased with the addition of bacteria. In addition, the use of fiber has insignificant effect in terms of the modulus of elasticity.

Graphical abstract

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来源期刊
Iranian Polymer Journal
Iranian Polymer Journal 化学-高分子科学
CiteScore
4.90
自引率
9.70%
发文量
107
审稿时长
2.8 months
期刊介绍: Iranian Polymer Journal, a monthly peer-reviewed international journal, provides a continuous forum for the dissemination of the original research and latest advances made in science and technology of polymers, covering diverse areas of polymer synthesis, characterization, polymer physics, rubber, plastics and composites, processing and engineering, biopolymers, drug delivery systems and natural polymers to meet specific applications. Also contributions from nano-related fields are regarded especially important for its versatility in modern scientific development.
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