中国农业科技导报 ›› 2024, Vol. 26 ›› Issue (4): 153-163.DOI: 10.13304/j.nykjdb.2022.0738
• 生物制造 资源生态 • 上一篇
收稿日期:
2022-09-02
接受日期:
2023-05-08
出版日期:
2024-04-15
发布日期:
2024-04-23
作者简介:
赵晖 E-mail: njzhaohui@163.com
基金资助:
Hui ZHAO(), Chenhua JIN, Weihong XUAN, Haisheng XU
Received:
2022-09-02
Accepted:
2023-05-08
Online:
2024-04-15
Published:
2024-04-23
摘要:
亚麻纤维具有断裂强度高、伸长变形小、弯曲性好、扭转刚度大等特点,因此亚麻纤维水泥基复合材料是一种应用前景广阔的土木工程材料。从亚麻纤维物理化学性质、亚麻纤维对水泥基复合材料性能的影响、亚麻纤维水泥基复合材料性能改善方法3个方面系统阐述了亚麻纤维水泥基复合材料的研究现状与存在问题。提出未来发展趋势:加强用亚麻纤维替代聚丙烯纤维制备水泥基复合材料;揭示潮湿情况下亚麻纤维水泥基复合材料性能演变规律;在三轴应力、潮湿条件耦合作用下构建亚麻纤维水泥基复合材料力学损伤模型;从增加亚麻纤维本体强度、改善亚麻纤维和水泥基材料界面黏结性角度来提高亚麻水泥基复合材料的应用性能。
中图分类号:
赵晖, 金辰华, 宣卫红, 徐海生. 亚麻纤维水泥基复合材料研究现状及发展展望[J]. 中国农业科技导报, 2024, 26(4): 153-163.
Hui ZHAO, Chenhua JIN, Weihong XUAN, Haisheng XU. Research Status and Development Prospects of Cement-based Composite Materials with Flax Fiber[J]. Journal of Agricultural Science and Technology, 2024, 26(4): 153-163.
纤维种类 Fiber type | 纤维素 Cellulose/% | 半纤维 Hemicellulose/% | 木质素 Lignin/% | 果胶 Pectin/% | 蜡质 Waxiness/% | 灰分 Ash content/% | 水分 Water content/% |
---|---|---|---|---|---|---|---|
亚麻纤维 Flax fiber | 70.0~80.0 | 12.0~15.0 | 2.5~5.0 | 1.40~5.70 | 1.2~1.8 | 0.80~1.30 | 6.60 |
大麻纤维 Hemp fiber | 50.0~70.0 | 14.0~16.0 | 7.0~9.0 | 5.00 | — | 2.85 | 9.25 |
剑麻纤维 Sisal fiber | 65.8 | 12.0 | 8.0 | 2.00 | — | — | — |
黄麻纤维 Jute fiber | 57.0~60.0 | 14.0~17.0 | 18.0 | 14.00 | — | 5.15 | 9.40 |
苎麻纤维 Ramie fiber | 65.0~75.0 | 14.0~16.0 | 0.8~1.5 | 4.50 | 0.5~1.0 | 2.00~5.00 | 6.60 |
竹纤维 Bamboo fiber | 55.0 | 20.0 | 25.0 | 0.38 | — | 1.20 | — |
表1 天然纤维化学成分[27-29]
Table 1 Chemical compositions of natural fibers[27-29]
纤维种类 Fiber type | 纤维素 Cellulose/% | 半纤维 Hemicellulose/% | 木质素 Lignin/% | 果胶 Pectin/% | 蜡质 Waxiness/% | 灰分 Ash content/% | 水分 Water content/% |
---|---|---|---|---|---|---|---|
亚麻纤维 Flax fiber | 70.0~80.0 | 12.0~15.0 | 2.5~5.0 | 1.40~5.70 | 1.2~1.8 | 0.80~1.30 | 6.60 |
大麻纤维 Hemp fiber | 50.0~70.0 | 14.0~16.0 | 7.0~9.0 | 5.00 | — | 2.85 | 9.25 |
剑麻纤维 Sisal fiber | 65.8 | 12.0 | 8.0 | 2.00 | — | — | — |
黄麻纤维 Jute fiber | 57.0~60.0 | 14.0~17.0 | 18.0 | 14.00 | — | 5.15 | 9.40 |
苎麻纤维 Ramie fiber | 65.0~75.0 | 14.0~16.0 | 0.8~1.5 | 4.50 | 0.5~1.0 | 2.00~5.00 | 6.60 |
竹纤维 Bamboo fiber | 55.0 | 20.0 | 25.0 | 0.38 | — | 1.20 | — |
纤维种类 Fiber type | 密度 Density/(g·cm-3) | 抗拉强度 Flexural strength/MPa | 弹性模量 Static modulus of elasticity/GPa | 断裂拉长率 Elongation at break/% | 比强度 Specific strength/ (MPa·cm3·g-1) |
---|---|---|---|---|---|
亚麻纤维 Flax fiber | 1.4~1.5 | 845~1 043 | 19 | 2.6 | 1 000~1 200 |
钢纤维 Steel fiber | 7.8 | 380~1 400 | 200~210 | 3.5-4.0 | 80~90 |
玻璃纤维 Glass fiber | 2.5 | 2 500 | 80 | 2.5 | 855 |
碳纤维 Carbon fiber | 1.7 | 4 000 | 230~240 | 1.4~1.8 | 2 000~2 700 |
玄武岩纤维 Basalt fiber | 2.6~2.8 | 3 300~3 800 | 90~95 | 2.7~3.5 | 1 200~1 500 |
聚丙烯纤维 Polypropylene fiber | 0.9 | 400 | 58 | 8.2 | 1 840~1 890 |
表2 亚麻纤维与传统纤维的物理力学性能[33-35]
Table 2 Physical and mechanical properties of flax fiber and traditional fibers[33-35]
纤维种类 Fiber type | 密度 Density/(g·cm-3) | 抗拉强度 Flexural strength/MPa | 弹性模量 Static modulus of elasticity/GPa | 断裂拉长率 Elongation at break/% | 比强度 Specific strength/ (MPa·cm3·g-1) |
---|---|---|---|---|---|
亚麻纤维 Flax fiber | 1.4~1.5 | 845~1 043 | 19 | 2.6 | 1 000~1 200 |
钢纤维 Steel fiber | 7.8 | 380~1 400 | 200~210 | 3.5-4.0 | 80~90 |
玻璃纤维 Glass fiber | 2.5 | 2 500 | 80 | 2.5 | 855 |
碳纤维 Carbon fiber | 1.7 | 4 000 | 230~240 | 1.4~1.8 | 2 000~2 700 |
玄武岩纤维 Basalt fiber | 2.6~2.8 | 3 300~3 800 | 90~95 | 2.7~3.5 | 1 200~1 500 |
聚丙烯纤维 Polypropylene fiber | 0.9 | 400 | 58 | 8.2 | 1 840~1 890 |
图3 不同纤维掺量下养护28 d后的硬化亚麻纤维水泥基复合材料抗折强度和抗压强度[36,39]
Fig. 3 Flexural strength and compressive strength of hardened cement-based composite materials with flax fiber at different dosages after the water-curing for 28 d[36,39]
图4 不同掺量下掺加亚麻纤维和合成纤维的硬化水泥基复合材料阻裂效果比较[43]
Fig. 4 Comparative on the crack resistance of cement-based composite materials with flax fiber and synthetic fibers at different dosages[43]
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