BFRP-钢-BFRP复合板的拉伸性能和构成模型
Yirui Zhang1,2,3, Jiyang Yi1, Yang Wei1,2
1College of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China.
Materials (Basel, Switzerland)
|February 26, 2025
概括
基岩纤维增强聚合物 (BFRP) - 钢-BFRP复合板增强钢的性能.
科学领域:
- 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.
- 复合材料 复合材料 复合材料
背景情况:
- 传统的建筑材料,如钢和混凝土,在耐腐蚀性和耐久性方面存在局限性.
- 在结构增强中,对可持续,轻量级和耐腐蚀的替代品的需求越来越大.
- 玄武岩纤维具有卓越的机械性能和环境耐受性,使其成为一个有前途的增强材料.
研究的目的:
- 研究基岩纤维增强聚合物 (BFRP) -钢-BFRP复合板的拉力机械性能和构成性行为.
- 评估BFRP层厚度对复合板性能的影响.
- 开发和验证一个构成模型来预测这些复合结构的拉伸行为.
主要方法:
- 制造12个BFRP-钢-BFRP复合板样本,具有不同的BFRP层厚度.
- 对所有样品进行单轴拉伸试验,以确定机械性能.
- 分析应力-应变数据以了解构成性行为和断裂力学.
- 开发和验证一个三段组成模型.
主要成果:
- 粘合BFRP层显著提高了钢板的刚性和强度.
- 复合板保持柔性,并表现出稳定的断裂行为.
- 应力应变分析显示了双线性行为,BFRP层在加强过程中增加了斜率.
- 拟议的三段构成模型准确地预测了复合板的拉伸行为.
- 在所有测试样本中观察到一致的稳定骨折菌株.
结论:
- 在结构应用中,BFRP-钢-BFRP复合板是有效的增强解决方案.
- 这些复合材料提供了强度,灵活性和成本效益的有利组合.
- 该研究为设计和优化先进复合材料提供了有价值的数据和建模见解.
- 玄武岩纤维复合材料显示出作为传统材料的可持续替代品的巨大潜力.
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