基于风力轮机叶片的再生纤维混凝土的机械性能和微观研究
Jiajing Wang1, Chenghao Wang1, Yongcheng Ji2
1School of Aulin, Northeast Forestry University, Harbin 150040, China.
Materials (Basel, Switzerland)
|July 27, 2024
概括
回收的风力轮机叶片可以转化为混凝土的宏纤维,制造风力轮纤维混凝土 (WIC). 这项研究表明,WIC增强了混凝土的性能.
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.
- 可持续能源 可持续能源
背景情况:
- 越来越多的风能需求导致风力轮机的使用增加.
- 过时的风力轮机叶片由于其20年的寿命,构成了未来的处置挑战.
- 回收风力轮机叶片对于可持续的废物管理至关重要.
研究的目的:
- 为了研究回收风力轮机叶片的再生性能.
- 开发和评估使用回收叶片宏观纤维的风车纤维混凝土 (WIC).
- 分析WIC的机械性能和微观结构及其在回收聚合混凝土中的应用.
主要方法:
- 机械回收风力轮机叶片成宏观纤维.
- 将宏纤维纳入混凝土中的比例为1%,1.5%和2%,以创建WIC.
- 与普通混凝土 (OG) 和玻璃纤维混凝土 (GC) 相比,WIC 的比较性能分析.
- 基于WIC的回收聚合混凝土 (RAC) 材料物理性能的评估.
- 宏观 (压缩,曲试验) 和微观 (SEM,XRD) 分析.
主要成果:
- 与OG相比,WIC的压力强度增加了6.04-18.12%,与纤维含量负相关.
- WIC的屈曲强度增加了5.37-18.5%,与纤维含量有正相关.
- 微观结构分析证实了宏观发现,内部模型验证了实验结果.
结论:
- 回收的风力轮机叶片宏纤维可以有效地加强混凝土,提高其机械性能.
- 威克提供了一个可持续的解决方案,用于管理退役的风力轮机叶片.
- 为了更广泛的应用,需要对基于WIC的RAC特性进行进一步的研究.
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