关于瓦钢混凝土复合桥梁甲板机械性能的实验研究
Fanlei Kong1, Yuanshun Xiong2, Kunpeng Zhao3
1School of Civil Engineering, Shandong Jiaotong University, Ji'nan, 250357, China. 20170210021@chd.edu.cn.
Scientific reports
|July 2, 2025
概括
这项研究测试了钢混凝土桥甲板与修改的形 (MCL) 剪切连接器. 甲板表现出强大的承载能力和柔性,证实了它们适用于建筑的适用性.
科学领域:
- 结构工程 结构工程
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
背景情况:
- 波纹钢混凝土复合桥梁甲板在现代基础设施中被广泛使用.
- 剪切连接器的性能对于这些甲板的结构完整性和承载能力至关重要.
- 修改的形形状 (MCL) 剪切连接器在机械性能方面提供了潜在的改进.
研究的目的:
- 为了研究波纹钢混凝土复合桥梁甲板的机械性能,使用修改的形 (MCL) 形状剪切连接器.
- 为了评估这些复合甲板在屈曲负荷下承载能力,柔性和故障模式.
- 通过实验分析和与理论计算的比较来验证MCL剪切连接器的有效性.
主要方法:
- 在两个波纹钢混凝土复合材料桥梁甲板板上进行了全面的曲测试.
- 监测负载滑动和负载应变行为,分析应变分布,并检查裂纹模式.
- 计算了裂变时刻和曲率,将实验结果与理论预测进行比较.
主要成果:
- 甲板上的两个标本都显示了混凝土板切割故障模式.
- 强化分布显著影响了裂的形成.
- 甲板表现出优异的承载能力和柔性,计算的裂变时刻和折曲率与实验数据有很好的一致 (9%和11%的差异).
结论:
- 经过测试的带有MCL剪切连接器的波纹钢混凝土复合桥板展示了强大的机械性能.
- 实验结果验证了这些甲板的结构完整性和适用于桥梁建设的适用性.
- 该研究证实了这些复合甲板在研究条件下的平面截面假设.
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