| 植物纤维增强混凝土研究进展 |
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| 引用本文： | 郭宜杭,李黎,杨晨欣,石玉琼.植物纤维增强混凝土研究进展[J].硅酸盐通报,2022,41(10):3347-3358. |
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| 作者姓名： | 郭宜杭 李黎 杨晨欣 石玉琼 |
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| 作者单位： | 西北农林科技大学水利与建筑工程学院,杨凌 712100 |
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| 基金项目： | 国家自然科学基金(52109168);国家级大学生创新创业训练计划(202210712169) |
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| 摘 要： | 随着我国“双碳”战略的持续推进,绿色低碳环保的天然纤维在水泥基材料中的应用已成为建筑行业的研究热点,得到了广泛关注。但植物纤维的力学性能差,同时存在老化和粘结力减弱等问题,很难直接应用于混凝土基体。本文综述了植物纤维的微观结构和性能,植物纤维对混凝土力学性能、耐久性和热物理性能等宏观性能的影响,植物纤维增强混凝土凝结时间、界面粘结和内养护的微观演变机制。讨论了植物纤维增强混凝土中基体改性和纤维改性的方法,深入了解不同方法的作用机理,寻求更加有效地改善性能的途径。剑麻纤维和竹纤维对混凝土性能有良好的提升作用,应用最为广泛。最后展望了植物纤维的可持续发展方向,为今后进一步研究植物纤维增强混凝土提出参考建议。
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| 关 键 词： | 植物纤维 混凝土 力学性能 耐久性 改性 |
| 收稿时间： | 2022-06-02 |
Research Progress of Plant Fiber Reinforced Concrete |
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| GUO Yihang,LI Li,YANG Chenxin,SHI Yuqiong.Research Progress of Plant Fiber Reinforced Concrete[J].Bulletin of the Chinese Ceramic Society,2022,41(10):3347-3358. |
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| Authors: | GUO Yihang LI Li YANG Chenxin SHI Yuqiong |
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| Affiliation: | College of Water Resource and Architectural Engineering, Northwest A&F University, Yangling 712100, China |
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| Abstract: | With the continuous promotion of Chinese “double carbon” strategy, the application of green, low-carbon and environmental-friendly natural fiber in cement-based materials has become a research hotspot in the construction industry and received extensive attention. However, due to the poor mechanical properties, aging and weak adhesion of plant fiber, it is difficult to apply them directly to concrete matrix. This paper summarized the microstructure and properties of plant fiber, the influence of plant fiber on the macro properties of concrete, such as mechanical properties, durability and thermophysical properties, and the micro evolution mechanism of setting time, interface bonding and internal curing of plant fiber reinforced concrete. The methods of matrix modification and fiber modification in plant fiber reinforced concrete were discussed, and the mechanism of different methods was deeply understood, so as to seek more effective ways to improve the performance. Sisal fiber and bamboo fiber improve the performance of concrete and are most widely used. The sustainable development direction of plant fiber was prospected and some suggestions were put forward for further research on plant fiber reinforced concrete. |
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| Keywords: | plant fiber concrete mechanical property durability modification |
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