Mechanical and Structural Characteristics of PET Fiber Reinforced Concrete Plates

IF 2.4 Q2 MULTIDISCIPLINARY SCIENCES

Smart Science Pub Date : 2021-11-22 DOI:10.1080/23080477.2021.1997136

L. S. Rasheed, Alaa M. Shaban, A. T. Abdulrasool

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引用次数: 3

Abstract

ABSTRACT The growth of plastic generation has increased exponentially with time, in particular the polyethylene terephthalate (PET) that is widely used in the human consumer industry. The objective of this study is focused on sustainability principles by minimizing the environmental pollution through reusing the plastic bottles by cutting them into small fibers to reinforce the concrete matrix to boost the performance of reinforced concrete plates. To investigate the effect of the PET fiber content on the behavior of the two-way reinforced concrete plates, four two-way reinforced concrete plates. PET fiber percentages were (0.5, 1, 1.5, 2) %, with one reference plate without fiber tested up to failure under monotonic load. All concrete plates are simply supported and tested at age 28 days and with dimensions of (800 × 800 × 50) mm. The ultimate load, load-deflection relationships, and cracking patterns of all plates are reported. The findings reveal that employing PET fibers for strengthening could boost the ultimate strength and flexural stiffness of the plates considerably. Besides, the mechanical test results reveal a decrease in compression strength with increasing PET fiber content. On the contrary, the splitting tensile strength exhibited a clear improvement with the increase in PET. Graphical abstract

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PET纤维混凝土板的力学和结构特性

摘要塑料生产量随着时间的推移呈指数级增长，尤其是在人类消费行业广泛使用的聚对苯二甲酸乙二醇酯（PET）。本研究的目标集中在可持续性原则上，通过将塑料瓶切割成小纤维以加固混凝土基体，从而提高钢筋混凝土板的性能，从而最大限度地减少环境污染。研究了PET纤维含量对双向钢筋混凝土板性能的影响。PET纤维百分比为（0.5，1，1.5，2）%，一块没有纤维的参考板在单调载荷下测试直至失效。所有混凝土板在28天龄期进行了简单支撑和测试，尺寸为（800×800×50）mm。报告了所有板的极限荷载、荷载-挠度关系和开裂模式。研究结果表明，采用PET纤维进行加固可以显著提高板的极限强度和抗弯刚度。此外，力学测试结果表明，压缩强度随着PET纤维含量的增加而降低。相反，随着PET的增加，劈裂抗拉强度表现出明显的提高。图形摘要

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来源期刊

Smart Science Engineering-Engineering (all)

CiteScore

4.70

自引率

4.30%

发文量

期刊介绍： Smart Science (ISSN 2308-0477) is an international, peer-reviewed journal that publishes significant original scientific researches, and reviews and analyses of current research and science policy. We welcome submissions of high quality papers from all fields of science and from any source. Articles of an interdisciplinary nature are particularly welcomed. Smart Science aims to be among the top multidisciplinary journals covering a broad spectrum of smart topics in the fields of materials science, chemistry, physics, engineering, medicine, and biology. Smart Science is currently focusing on the topics of Smart Manufacturing (CPS, IoT and AI) for Industry 4.0, Smart Energy and Smart Chemistry and Materials. Other specific research areas covered by the journal include, but are not limited to: 1. Smart Science in the Future 2. Smart Manufacturing: -Cyber-Physical System (CPS) -Internet of Things (IoT) and Internet of Brain (IoB) -Artificial Intelligence -Smart Computing -Smart Design/Machine -Smart Sensing -Smart Information and Networks 3. Smart Energy and Thermal/Fluidic Science 4. Smart Chemistry and Materials