波形钢-混凝土组合桥面抗剪性能及结构性能研究

IF 2.5 4区综合性期刊 Q2 CHEMISTRY, MULTIDISCIPLINARY

Applied Sciences-Basel Pub Date : 2023-09-08 DOI:10.3390/app131810112

Shijie Guo, Xuan He, Hao He, Zhijie Li, Yong Zeng, H. Tan, Jianting Zhou

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引用次数: 0

摘要

本研究探讨了一种以波纹钢板为基底的新型复合材料桥面结构。目标是解决传统甲板承载力、刚度和应力性能的缺点。具体而言，本研究调查了该结构的剪切性能和滑移特性。为此，本研究分析了复合材料桥面的剪切性能和滑移趋势。本研究的重点是剪力钉和PBL（Perfobond-Leiste）穿孔钢板作为剪力连接的基本部件的作用。基于剪力钉和PBL穿孔钢板等剪力连接键的结构，分析了复合材料层板的抗剪性能。讨论了复合材料甲板在刚度、自重、承载力、抗剪、抗滑移等方面的优点，为实际工程应用提供了理论参考。通过剪切推出实验研究了剪力钉剪切键的剪切阻力，并基于ABAQUS 2020有限元软件通过有限元模拟研究了剪力柱的剪切阻力。结果表明，对于不同直径的剪力钉，剪力钉的抗剪承载力随着高径比的增加而增加，增加范围为2%至23%。然而，当剪力钉的直径超过22mm时，剪力钉的极限抗剪承载力随着高径比的增加而增加，并且增加的幅度减慢。对于复合材料甲板的实际设计，建议将剪力桩的高径比保持在9-12的范围内。当使用带PBL开孔钢板的复合甲板时，板端和跨度内的最大纵向滑移分别仅为0.28 mm和0.0158 mm。这些值分别比带桩剪切键的复合甲板低31%和36%。此外，PBL开孔钢板跨度内的垂直剥离仅为0.46mm，与剪力钉相比减少了21%。可以看出，PBL穿孔钢板在防滑和抗剥落方面比剪力钉更有效。

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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Study on Shear Resistance and Structural Performance of Corrugated Steel–Concrete Composite Deck

This study looks into a new composite bridge deck structure that employs a corrugated steel plate as the base. The goal is to address the shortcomings of traditional deck-bearing capacity, stiffness, and stress performance. Specifically, this study investigates the shear performance and slip characteristics of this structure. To achieve this, the study analyzes the shear behavior and slip tendencies of the composite bridge deck. The study focuses on the role of shear studs and PBL (Perfobond Leiste) perforated steel plates as essential components for shear connections. The shear performance of the composite deck is analyzed based on the structure of shear connection keys such as shear studs and PBL perforated steel plates. The advantages of composite decks in terms of stiffness, self-weight, load-bearing capacity, shear resistance, slip resistance, etc., are discussed to provide a theoretical reference for practical engineering applications. The shear resistance of shear stud shear keys is investigated through shear push-out experiments, and the shear resistance of shear studs is investigated through finite element simulations based on the ABAQUS 2020 finite element software. The results showed that the shear load capacity of the shear studs increased with the increase in the height-to-diameter ratio for different diameters of the shear studs, and the range of increases was from 2% to 23%. However, when the diameter of the shear stud exceeded 22 mm, the ultimate shear capacity of the shear stud increased with the increase in the height-to-diameter ratio, and the magnitude of the increase slowed down. For the actual design of the composite deck, it is recommended to maintain a shear stud height-to-diameter ratio within the range of 9 to 12. When using a composite deck with a PBL open-hole steel plate, the maximum longitudinal slip at the plate end and within the span is only 0.28 mm and 0.0158 mm, respectively. These values are 31% and 36% lower than those of the composite deck with a peg shear key. Additionally, the vertical peeling within the span of the PBL open-hole steel plate is merely 0.46 mm, showing a 21% reduction compared to that of the shear studs. It can be seen that the PBL perforated steel plates are more effective than the shear studs in resisting slip and peel.

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来源期刊

Applied Sciences-Basel CHEMISTRY, MULTIDISCIPLINARYMATERIALS SCIE-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.30

自引率

11.10%

发文量

10882

期刊介绍： Applied Sciences (ISSN 2076-3417) provides an advanced forum on all aspects of applied natural sciences. It publishes reviews, research papers and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.