聚丙烯纤维橡胶混凝土的力学及抗冻性能研究

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发布时间：2020-01-06 00:00:00

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聚丙烯纤维橡胶混凝土的力学及抗冻性能研究

Study on mechanical properties and frost resistance of polypropylene fiber rubber concrete

2024年第3期

聚丙烯纤维；橡胶混凝土；力学性能；抗冻性能；冻融损伤劣化模型

Polypropylene fiber; Rubber concrete; Mechanical property; Frost resistance; Freeze-thaw damage deterioration model

2024年第3期

10.19761/j.1000-4637.2024.03.053.05

苏有文，杨戟*，吕雄飞

西南科技大学土木工程与建筑学院，四川绵阳 621000

苏有文，杨戟*，吕雄飞

苏有文,杨戟,吕雄飞.聚丙烯纤维橡胶混凝土的力学及抗冻性能研究[J].混凝土与水泥制品,2024(3):53-56,61.

SU Y W,YANG J,LYU X F.Study on mechanical properties and frost resistance of polypropylene fiber rubber concrete[J].China Concrete and Cement Products,2024(3):53-56,61.

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1000

摘要：研究了聚丙烯纤维的体积掺量（0.45%、0.90%、1.35%、1.80%、2.25%、3.41%、4.51%）对橡胶混凝土力学及抗冻性能的影响，并建立了冻融损伤劣化模型来预测橡胶混凝土的冻融损伤劣化规律。结果表明：掺入适量聚丙烯纤维可以有效提高橡胶混凝土的力学及抗冻性能，当聚丙烯纤维掺量在1.80%~2.25%范围内时，试件的力学及抗冻性能均较好；建立的冻融损伤劣化模型的拟合系数R2均大于0.992，拟合精度较高，可为聚丙烯纤维橡胶混凝土在寒冷地区工程中的应用提供理论依据。 Abstract: The effect of volume content of polypropylene fiber (0.45%, 0.90%, 1.35%, 1.80%, 2.25%, 3.41%, 4.51%) on the mechanical properties and frost resistance of rubber concrete was investigated, and a freeze-thaw damage deterioration model was established to predict the freeze-thaw damage deterioration law of rubber concrete in freeze-thaw environment. The results show that an appropriate content of polypropylene fiber can significantly improve the mechanical properties and frost resistance of rubber concrete, and the mechanical properties and frost resistance of rubber concrete are better when the content of polypropylene fiber is 1.80%~2.25%. The fitting coefficients R2 of the established freeze-thaw damage deterioration model is more than 0.992, and the fitting accuracy is high, which can provide theoretical basis for the application of polypropylene fiber rubber concrete in cold region engineering.

英文名 : Study on mechanical properties and frost resistance of polypropylene fiber rubber concrete

刊期 : 2024年第3期

关键词 : 聚丙烯纤维；橡胶混凝土；力学性能；抗冻性能；冻融损伤劣化模型

Key words : Polypropylene fiber; Rubber concrete; Mechanical property; Frost resistance; Freeze-thaw damage deterioration model

刊期 : 2024年第3期

DOI : 10.19761/j.1000-4637.2024.03.053.05

文章编号 :

基金项目 :

作者 : 苏有文，杨戟*，吕雄飞

单位 : 西南科技大学土木工程与建筑学院，四川绵阳 621000

苏有文，杨戟*，吕雄飞

苏有文,杨戟,吕雄飞.聚丙烯纤维橡胶混凝土的力学及抗冻性能研究[J].混凝土与水泥制品,2024(3):53-56,61.

SU Y W,YANG J,LYU X F.Study on mechanical properties and frost resistance of polypropylene fiber rubber concrete[J].China Concrete and Cement Products,2024(3):53-56,61.

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摘要

参数

结论

参考文献

引用本文

Abstract: The effect of volume content of polypropylene fiber (0.45%, 0.90%, 1.35%, 1.80%, 2.25%, 3.41%, 4.51%) on the mechanical properties and frost resistance of rubber concrete was investigated, and a freeze-thaw damage deterioration model was established to predict the freeze-thaw damage deterioration law of rubber concrete in freeze-thaw environment. The results show that an appropriate content of polypropylene fiber can significantly improve the mechanical properties and frost resistance of rubber concrete, and the mechanical properties and frost resistance of rubber concrete are better when the content of polypropylene fiber is 1.80%~2.25%. The fitting coefficients R2 of the established freeze-thaw damage deterioration model is more than 0.992, and the fitting accuracy is high, which can provide theoretical basis for the application of polypropylene fiber rubber concrete in cold region engineering.

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聚丙烯纤维橡胶混凝土的力学及抗冻性能研究

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