聚丙烯纤维和硅灰对轻骨料混凝土性能的影响

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发布时间：2020-01-06 00:00:00

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聚丙烯纤维和硅灰对轻骨料混凝土性能的影响

Effect of polypropylene fiber and silica fume on the performance of lightweight aggregate concrete

2024年第8期

轻骨料混凝土；聚丙烯纤维；硅灰；力学性能；抗冻性能

Lightweight aggregate concrete; Polypropylene fiber; Silica fume; Mechanical property; Frost resistance

2024年第8期

10.19761/j.1000-4637.2024.08.057.05

赵诗语，苏有文，张文星，杨钦淞

西南科技大学土木工程与建筑学院，四川绵阳 621000

赵诗语，苏有文，张文星，杨钦淞

赵诗语,苏有文,张文星,等.聚丙烯纤维和硅灰对轻骨料混凝土性能的影响[J].混凝土与水泥制品,2024(8):57-61.

ZHAO S Y,SU Y W,ZHANG W X,et al.Effect of polypropylene fiber and silica fume on the performance of lightweight aggregate concrete[J].China Concrete and Cement Products,2024(8):57-61.

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摘要：研究了聚丙烯纤维（PF）掺量（0、0.2、0.4、0.6、0.8、1.0、1.2 kg/m3）与硅灰掺量（0、1%、2%、3%、4%、5%、6%、7%、8%）对轻骨料混凝土（LAC）抗压、抗折强度和抗冻性能的影响。结果表明：同时掺入适量的PF和硅灰有效提高了LAC的抗压、抗折强度，其中，对于抗压强度，最佳PF和硅灰的掺量分别为0.8 kg/m3和5%；对于抗折强度，最佳PF和硅灰的掺量分别为1.0 kg/m3和5%；当PF和硅灰的掺量分别为 1.0 kg/m3和5%时，LAC试件的抗冻性能相对最优。 Abstract: The effects of polypropylene fiber (PF) content (0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2 kg/m3) and silica fume content (0, 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%) on the compressive and flexural strengths and frost resistance of lightweight aggregate concrete (LAC) were investigated. The results show that the compressive and flexural strengths of LAC are effectively improved by the simultaneous addition of appropriate contents of PF and silica fume. For compressive strength, the optimum PF and silica fume contents are 0.8 kg/m3 and 5%, respectively. For flexural strength, the optimum PF and silica fume contents are 1.0 kg/m3 and 5%, respectively. The frost resistance of LAC specimens is relatively optimal when the contents of PF and silica fume are 1.0 kg/m3 and 5%, respectively.

英文名 : Effect of polypropylene fiber and silica fume on the performance of lightweight aggregate concrete

刊期 : 2024年第8期

关键词 : 轻骨料混凝土；聚丙烯纤维；硅灰；力学性能；抗冻性能

Key words : Lightweight aggregate concrete; Polypropylene fiber; Silica fume; Mechanical property; Frost resistance

刊期 : 2024年第8期

DOI : 10.19761/j.1000-4637.2024.08.057.05

文章编号 :

基金项目 :

作者 : 赵诗语，苏有文，张文星，杨钦淞

单位 : 西南科技大学土木工程与建筑学院，四川绵阳 621000

赵诗语，苏有文，张文星，杨钦淞

赵诗语,苏有文,张文星,等.聚丙烯纤维和硅灰对轻骨料混凝土性能的影响[J].混凝土与水泥制品,2024(8):57-61.

ZHAO S Y,SU Y W,ZHANG W X,et al.Effect of polypropylene fiber and silica fume on the performance of lightweight aggregate concrete[J].China Concrete and Cement Products,2024(8):57-61.

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摘要

参数

结论

参考文献

引用本文

摘要：研究了聚丙烯纤维（PF）掺量（0、0.2、0.4、0.6、0.8、1.0、1.2 kg/m³）与硅灰掺量（0、1%、2%、3%、4%、5%、6%、7%、8%）对轻骨料混凝土（LAC）抗压、抗折强度和抗冻性能的影响。结果表明：同时掺入适量的PF和硅灰有效提高了LAC的抗压、抗折强度，其中，对于抗压强度，最佳PF和硅灰的掺量分别为0.8 kg/m3和5%；对于抗折强度，最佳PF和硅灰的掺量分别为1.0 kg/m³和5%；当PF和硅灰的掺量分别为 1.0 kg/m³和5%时，LAC试件的抗冻性能相对最优。

Abstract: The effects of polypropylene fiber (PF) content (0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2 kg/m3) and silica fume content (0, 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%) on the compressive and flexural strengths and frost resistance of lightweight aggregate concrete (LAC) were investigated. The results show that the compressive and flexural strengths of LAC are effectively improved by the simultaneous addition of appropriate contents of PF and silica fume. For compressive strength, the optimum PF and silica fume contents are 0.8 kg/m³ and 5%, respectively. For flexural strength, the optimum PF and silica fume contents are 1.0 kg/m³ and 5%, respectively. The frost resistance of LAC specimens is relatively optimal when the contents of PF and silica fume are 1.0 kg/m³ and 5%, respectively.

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粉煤灰再生混凝土配筋梁的受弯性能研究

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合成纤维的耐碱性能及其对水泥基灌浆料性能的影响研究

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聚丙烯纤维和硅灰对轻骨料混凝土性能的影响

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