聚对苯二甲酸乙二醇酯(PET)和聚丙烯(PP)纤维对RC深梁抗剪性能的影响

IF 1.4 4区 工程技术
Ali Ramhormozy, Ehsan Kazeminezhad, S. Safakhah
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引用次数: 0

摘要

今天,环境卫生比过去更需要关注。由塑料瓶等塑料材料组成的物品需要很多年才能分解。因此,近年来人们对其进行了大量的再利用研究,其中之一就是在混凝土配合比中的应用。在之前的研究中,这些材料在混凝土中用作细骨料替代品的比例非常低(在0.5%到1.5%之间),并且评估更多地集中在抗弯强度上。在本研究中,聚乙烯对苯二甲酸乙二醇酯(PET)作为沙子的替代品,聚丙烯纤维(PP)作为混凝土的添加剂。对14根混凝土梁在加筋和未加筋状态下进行了评估。PET的替代率分别为10%、30%和60%,PP的掺加率分别为混凝土总重的0.5%、1.5%和3%。梁的尺寸是这样选择的,以便在深梁中进行分类。因此,考虑矩形截面(宽= 100mm,高= 400mm)。抗剪强度和延性是本研究评估的两个重要参数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of polyethylene terephthalate (PET) and polypropylene (PP) fibers on the shear behavior of RC deep beams
Today, environmental health needs more attention than in the past. Objects consisting of plastic materials such as bottles take many years to decompose. Therefore, in the recent years, a lot of research has been done to reuse them and one of which is use in the concrete mixes. In previous research, very low percentages of these materials (between 0.5% and 1.5%) has been used as fine aggregate substitutes in the concrete and evaluations have more focused on the flexural strength. In this research, Polyethylene terephthalate (PET) as a substitute for sand and Polypropylene fibers (PP) as an additive material are used in the concrete mixes. 14 concrete beams in both reinforced and unreinforced states have been evaluated. The replacement percentage of the PET is 10, 30 and 60% and additive percentage of the PP is 0.5, 1.5 and 3% of the total weight of concrete. The dimensions of the beams have been chosen in such a way to categorized in the deep beams. So, rectangular cross-section has been considered (width = 100mm and height = 400mm). Shear strength and ductility are two important parameters that have been evaluated in this research.
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来源期刊
Revista de la Construccion
Revista de la Construccion 工程技术-工程:土木
CiteScore
2.30
自引率
21.40%
发文量
0
期刊介绍: The Journal of Construction is aimed at professionals, constructors, academics, researchers, companies, architects, engineers, and anyone who wishes to expand and update their knowledge about construction. We therefore invite all researchers, academics, and professionals to send their contributions for assessment and possible publication in this journal. The publications are free of publication charges. OBJECTIVES The objectives of the Journal of Construction are: 1. To disseminate new knowledge in all areas related to construction (Building, Civil Works, Materials, Business, Education, etc.). 2. To provide professionals in the area with material for discussion to refresh and update their knowledge. 3. To disseminate new applied technologies in construction nationally and internationally. 4. To provide national and foreign academics with an internationally endorsed medium in which to share their knowledge and debate the topics raised.
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