木纤维增强混凝土用于提高建筑应用中的压力强度和可持续性
Krishna Prasad Guruswamy1, Senthilkumar Thambiannan1, Arputharaj Anthonysamy1
1ICAR- Central Institute for Research on Cotton Technology (CIRCOT), Mumbai, 400019, India.
Heliyon
|November 18, 2024
概括
子纤维有效地提高了混凝土的压力强度. 通过4%的纤维体积分数和10毫米的纤维长度实现了最佳结果,显示了其作为可持续建筑材料的潜力.
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.
- 可持续建筑 可持续建筑
背景情况:
- 混凝土是广泛使用的建筑材料,但其抗拉强度和柔性有限.
- 天然纤维为混凝土中的合成钢筋提供了一个可持续的替代品.
- 来自子的子纤维具有作为环保增强材料的潜力.
研究的目的:
- 为了研究子纤维对混凝土压力强度 (CS) 的影响.
- 为了确定最佳的纤维体积分数 (FVF) 和纤维长度 (FL) 以提高混凝土性能.
- 为了评估子纤维在混凝土矩阵中的耐用性和稳定性,随着时间的推移.
主要方法:
- 使用响应表面方法 (RSM) 研究FVF (4%-12%) 和FL (0.4cm-1.2cm) 对混凝土CS的影响.
- 实验设计被用来系统地改变FVF和FL.
- 福利埃变换红外光谱法 (FTIR) 和X射线衍射 (XRD) 用于材料分析.
主要成果:
- 达到34N/mm2的最大压力强度,使用4%的FVF和10mm FL.
- 纤维含量增加导致混凝土可加工性降低.
- 一年后的FTIR和XRD分析显示,子纤维特性没有显著退化.
结论:
- 木纤维可以有效地用于增强混凝土的压力强度.
- 该研究确定了子纤维增强的最佳参数.
- 木纤维在混凝土基质中表现出良好的耐用性和稳定性,支持它们在可持续建筑中的使用.
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