Study of PET Fiber Concrete in Beam-Column Joint under Cyclic Loading Using Finite Element Analysis

IF 5.3 3区工程技术 Q1 ENGINEERING, MANUFACTURING

International Journal of Precision Engineering and Manufacturing-Green Technology Pub Date : 2023-10-08 DOI:10.5815/ijem.2023.05.05

Nirav M. Patel, M. N. Patel, Tapsi D. Sata

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引用次数: 0

Abstract

The failure behavior of beam-to-column connections can be minimized or avoided to some extent by using PET waste fibers. With the change of composition, different seismic performances of concrete joints can be adjusted. FEM analysis was performed in ABAQUS software to compare the performance of concrete beam-to-column connections reinforced with conventional concrete fibers and waste PET under cyclic loading. The concrete mix is designed to achieve a concrete grade of M25. Seven figures of the external beam-to-column connections were modeled as a quarter of the architectural prototype. The first joint is conventional concrete and designed according to IS 1893 (Part 1):2022 and the reinforcement in the joint part are specified according to the ductility requirements of IS 13920:2016. Six other samples were designed to contain different PET waste fibers (0.25% to 1.50%) in the seam area. Beam-to-column connections have 0.75% to 1.25% PET fiber inclusions that have better performance in terms of strength, load-carrying capacity, energy dissipation capacity, joint shear strength, and ductility in the joint area. Incorporating PET waste fibers into concrete can provide the best solution for waste management, and also has the potential to reduce the cost of reinforced concrete by 15%-20% holds economic significance, and concrete with PET waste fibers indeed demonstrates better seismic performance, and could lead to increased safety and longevity of structures in seismic-prone areas. This suggests that experimental work or studies might have explored how these fibers affect the concrete's properties, strength, durability, and other characteristics.

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循环荷载作用下PET纤维混凝土梁柱节点的有限元分析

利用PET废纤维可在一定程度上减小或避免梁柱连接的破坏行为。随着结构成分的变化，混凝土节点的不同抗震性能可以进行调整。采用ABAQUS软件进行有限元分析，比较了常规混凝土纤维与废PET配筋混凝土梁柱连接在循环荷载作用下的性能。混凝土配合比的设计达到了M25的混凝土等级。外部梁柱连接的七个图形被建模为建筑原型的四分之一。第一个节点为常规混凝土，按is 1893 (Part 1):2022设计，节点部分钢筋按is 13920:2016延性要求指定。另外设计了6个样品，在接缝区域含有不同的PET废纤维(0.25% ~ 1.50%)。梁柱连接中含有0.75% ~ 1.25%的PET纤维夹杂物，在强度、承载能力、耗能能力、节理抗剪强度、节理区域延性等方面具有较好的性能。将PET废纤维掺入混凝土中可以为废物管理提供最佳解决方案，并且有可能将钢筋混凝土的成本降低15%-20%，具有经济意义，并且含有PET废纤维的混凝土确实具有更好的抗震性能，并且可以提高地震易发地区结构的安全性和寿命。这表明，实验工作或研究可能已经探索了这些纤维如何影响混凝土的性能、强度、耐久性和其他特性。

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

International Journal of Precision Engineering and Manufacturing-Green Technology ENGINEERING, MANUFACTURING-ENGINEERING, MECHANICAL

CiteScore

10.30

自引率

9.50%

发文量

审稿时长

5.3 months

期刊介绍： Green Technology aspects of precision engineering and manufacturing are becoming ever more important in current and future technologies. New knowledge in this field will aid in the advancement of various technologies that are needed to gain industrial competitiveness. To this end IJPEM - Green Technology aims to disseminate relevant developments and applied research works of high quality to the international community through efficient and rapid publication. IJPEM - Green Technology covers novel research contributions in all aspects of "Green" precision engineering and manufacturing.