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新型耐碱玻璃纤维增强塑料爪形连接件的工程性能

Engineering Properties of New Claw Connectors for Alkali-Resistant Glass-Fiber-Reinforced Plastics.

作者信息

Wang Qingbiao, Zhang Xu, Jing Dongya, Hu Zhongjing, Tian Yuanyuan, Wang Dong, Liu Wenxia, Tian Chenglin, Shi Zhenyue, Wang Keyong

机构信息

College of Resources, Shandong University of Science and Technology, Tai'an 271019, China.

College of Safety and Environmental Engineering (College of Safety and Emergency Managemen), Shandong University of Science and Technology, Qingdao 266590, China.

出版信息

Materials (Basel). 2022 Apr 2;15(7):2631. doi: 10.3390/ma15072631.

DOI:10.3390/ma15072631
PMID:35407963
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9000459/
Abstract

To optimize the engineering properties of connectors, a new claw-shaped alkali-resistant glass-fiber-composite-reinforced connection member was designed in this study. Tensile, shear, and durability tests were conducted on the joint. Moreover, numerical analysis was performed, and the performance of the proposed connector was verified in engineering applications. Hence, the following conclusions hold: (1) At the same shear diameter and anchorage depth, the anchorage performance and shear resistance of claw connectors are better than those of rod connectors. (2) Claw connectors with an anchorage depth of 3.5 cm and a hollow joint with an outer diameter of 14 mm exhibit an excellent overall performance. (3) Alkali-resistant glass-fiber-reinforced plastics exhibit good durability. (4) The ANSYS numerical model can be used to accurately predict the load-displacement variation law of the pull-out and shear of the connectors. (5) Through research, it has been proven that claw-shaped connectors have good pull-out resistance, shear resistance, and durability, and the structure has good stability in engineering applications. Therefore, the structure can provide a significant reference for similar projects.

摘要

为优化连接件的工程性能，本研究设计了一种新型爪形耐碱玻璃纤维复合材料增强连接构件。对该节点进行了拉伸、剪切和耐久性试验。此外，进行了数值分析，并在工程应用中验证了所提出连接件的性能。因此，得出以下结论：(1)在相同剪切直径和锚固深度下，爪形连接件的锚固性能和抗剪性能优于棒形连接件。(2)锚固深度为3.5 cm、外径为14 mm的空心节点的爪形连接件整体性能优异。(3)耐碱玻璃纤维增强塑料具有良好的耐久性。(4)ANSYS数值模型可用于准确预测连接件拉拔和剪切的荷载-位移变化规律。(5)通过研究证明，爪形连接件具有良好的抗拔、抗剪和耐久性，该结构在工程应用中具有良好的稳定性。因此，该结构可为类似工程提供重要参考。

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