振动搅拌对普通混凝土和超高性能混凝土性能的影响

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发布时间：2020-01-06 00:00:00

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振动搅拌对普通混凝土和超高性能混凝土性能的影响

Influence of vibration stirring on the performance of ordinary concrete and ultra-high performance concrete

2023年第11期

振动搅拌；普通混凝土；超高性能混凝土；工作性；抗压强度；抗折强度；纤维

Vibration stirring; Ordinary concrete; Ultra-high performance concrete; Workability; Compressive strength; Bending strength; Fiber

2023年第11期

10.19761/j.1000-4637.2023.11.016.06

住房和城乡建设部研究开发项目（2021K068）。

张颜科1，路珏1，*，杨迎1，张良奇2，冷发光3

1.四川华西绿舍建材有限公司，四川成都 610000；2.许昌德通振动搅拌科技股份有限公司，河南许昌 461000；3.中建研科技股份有限公司，北京 100013

张颜科1，路珏1，*，杨迎1，张良奇2，冷发光3

张颜科,路珏,杨迎,等.振动搅拌对普通混凝土和超高性能混凝土性能的影响[J].混凝土与水泥制品,2023(11):16-21.

ZHANG Y K,LU J,YANG Y,et al.Influence of vibration stirring on the performance of ordinary concrete and ultra-high performance concrete[J].China Concrete and Cement Products,2023(11):16-21.

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摘要：分别设计了普通混凝土和超高性能混凝土（UHPC）的配合比，研究了振动搅拌和普通搅拌对混凝土性能的影响。结果表明：对于C30和C40普通混凝土，振动搅拌可以明显提高其工作性，而对于C50普通混凝土，振动搅拌对工作性的提高有限；振动搅拌能稳定提高普通混凝土的匀质性和抗压强度；振动搅拌能明显提高UHPC的工作性，改善纤维团聚现象，但不能保证纤维的乱向分布；振动搅拌可以提高UHPC的抗压强度，降低其抗折强度。 Abstract: The mix proportions of ordinary concrete and ultra-high performance concrete(UHPC) were designed, and the effects of vibration stirring and ordinary stirring on their performance were studied. The results show that for C30 and C40 ordinary concrete, vibration stirring can significantly improve its workability, while for C50 ordinary concrete, the improvement of workability by vibration stirring is limited. Vibration mixing can steadily improve the uniformity and compressive strength of ordinary concrete. Vibration stirring can significantly improve the workability of UHPC and improve fiber aggregation, but it cannot guarantee the disordered distribution of fibers. Vibration stirring can improve the compressive strength of UHPC and reduce its flexural strength.

英文名 : Influence of vibration stirring on the performance of ordinary concrete and ultra-high performance concrete

刊期 : 2023年第11期

关键词 : 振动搅拌；普通混凝土；超高性能混凝土；工作性；抗压强度；抗折强度；纤维

Key words : Vibration stirring; Ordinary concrete; Ultra-high performance concrete; Workability; Compressive strength; Bending strength; Fiber

刊期 : 2023年第11期

DOI : 10.19761/j.1000-4637.2023.11.016.06

文章编号 :

基金项目 : 住房和城乡建设部研究开发项目（2021K068）。

作者 : 张颜科1，路珏1，*，杨迎1，张良奇2，冷发光3

单位 : 1.四川华西绿舍建材有限公司，四川成都 610000；2.许昌德通振动搅拌科技股份有限公司，河南许昌 461000；3.中建研科技股份有限公司，北京 100013

张颜科1，路珏1，*，杨迎1，张良奇2，冷发光3

张颜科,路珏,杨迎,等.振动搅拌对普通混凝土和超高性能混凝土性能的影响[J].混凝土与水泥制品,2023(11):16-21.

ZHANG Y K,LU J,YANG Y,et al.Influence of vibration stirring on the performance of ordinary concrete and ultra-high performance concrete[J].China Concrete and Cement Products,2023(11):16-21.

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摘要

参数

结论

参考文献

引用本文

Abstract: The mix proportions of ordinary concrete and ultra-high performance concrete(UHPC) were designed, and the effects of vibration stirring and ordinary stirring on their performance were studied. The results show that for C30 and C40 ordinary concrete, vibration stirring can significantly improve its workability, while for C50 ordinary concrete, the improvement of workability by vibration stirring is limited. Vibration mixing can steadily improve the uniformity and compressive strength of ordinary concrete. Vibration stirring can significantly improve the workability of UHPC and improve fiber aggregation, but it cannot guarantee the disordered distribution of fibers. Vibration stirring can improve the compressive strength of UHPC and reduce its flexural strength.

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振动搅拌对普通混凝土和超高性能混凝土性能的影响

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