风积沙自密实混凝土抗硫酸盐侵蚀性能研究_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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风积沙自密实混凝土抗硫酸盐侵蚀性能研究

Research on Sulfate Erosion Resistance of Aeolian Sand Self-compacting Concrete

2023年第3期

风积沙；自密实混凝土；耐蚀系数；相对动弹性模量；质量损失率；抗硫酸盐侵蚀性能

Aeolian sand; Self-compacting concrete; Erosion coefficient; Relative dynamic elastic modulus; Mass loss rate; Sulfate erosion resistance

2023年第3期

10.19761/j.1000-4637.2023.03.020.05

国家自然科学基金资助项目（51768069）；国家创新训练项目（202010755083）。

韩通1，刘清1，黄跃1，王智洋1，木拉提别克·莫合特别克1，杨建平2

1.新疆大学建筑工程学院新疆建筑结构与抗震重点实验室，新疆乌鲁木齐 830047；2.乌鲁木齐诚而信工程检测有限公司，新疆乌鲁木齐 830023

韩通1，刘清1，黄跃1，王智洋1，木拉提别克·莫合特别克1，杨建平2

韩通,刘清,黄跃,等.风积沙自密实混凝土抗硫酸盐侵蚀性能研究[J].混凝土与水泥制品,2023(3):20-23,28.

HAN T,LIU Q,HUANG Y,et al.Research on Sulfate Erosion Resistance of Aeolian Sand Self- compacting Concrete[J].China Concrete and Cement Products,2023(3):20-23,28.

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摘要：为了探究风积沙自密实混凝土的抗硫酸盐侵蚀性能，研究了不同侵蚀龄期下风积沙掺量对自密实混凝土的工作性、质量损失率、相对动弹性模量和耐蚀系数的影响。结果表明：随着风积沙取代率的增大，风积沙自密实混凝土拌和物的坍落扩展度呈先增大后减小的趋势；随着侵蚀龄期的延长，风积沙自密实混凝土的质量、相对动弹性模量和耐蚀系数均呈先增加后降低的趋势；适量掺入风积沙能有效改善自密实混凝土的抗硫酸盐侵蚀性能，当侵蚀龄期为120 d时，60%风积沙取代率下的风积沙自密实混凝土的抗硫酸盐侵蚀性能最佳；风积沙自密实混凝土的耐蚀系数与相对动弹性模量和质量损失率均存在良好的线性关系。 Abstract: In order to study the sulfate erosion resistance of aeolian sand self-compacting concrete, the influence of the amount of aeolian sand on the workability, mass loss rate, relative dynamic elastic modulus and erosion coefficient of aeolian sand self-compacting concrete under different erosion ages was analyzed. The results show that with the increase of replacement rate of aeolian sand, the slump expansion of aeolian sand self-compacting concrete increases first and then decreases. The mass, relative dynamic elastic modulus, and erosion coefficient all show a trend of increasing first and then decreasing with the increase of erosion age. The appropriate amount of aeolian sand can improve the sulfate corrosion resistance of self-compacting concrete. When the erosion age reaches 120 d, the aeolian sand self-compacting concrete with aeolian sand amount of 60% has the best sulfate corrosion resistance. It is found that the erosion coefficient has a good correlation with the relative dynamic elastic modulus and the mass loss rate.

英文名 : Research on Sulfate Erosion Resistance of Aeolian Sand Self-compacting Concrete

刊期 : 2023年第3期

关键词 : 风积沙；自密实混凝土；耐蚀系数；相对动弹性模量；质量损失率；抗硫酸盐侵蚀性能

Key words : Aeolian sand; Self-compacting concrete; Erosion coefficient; Relative dynamic elastic modulus; Mass loss rate; Sulfate erosion resistance

刊期 : 2023年第3期

DOI : 10.19761/j.1000-4637.2023.03.020.05

文章编号 :

基金项目 : 国家自然科学基金资助项目（51768069）；国家创新训练项目（202010755083）。

作者 : 韩通1，刘清1，黄跃1，王智洋1，木拉提别克·莫合特别克1，杨建平2

单位 : 1.新疆大学建筑工程学院新疆建筑结构与抗震重点实验室，新疆乌鲁木齐 830047；2.乌鲁木齐诚而信工程检测有限公司，新疆乌鲁木齐 830023

韩通1，刘清1，黄跃1，王智洋1，木拉提别克·莫合特别克1，杨建平2

韩通,刘清,黄跃,等.风积沙自密实混凝土抗硫酸盐侵蚀性能研究[J].混凝土与水泥制品,2023(3):20-23,28.

HAN T,LIU Q,HUANG Y,et al.Research on Sulfate Erosion Resistance of Aeolian Sand Self- compacting Concrete[J].China Concrete and Cement Products,2023(3):20-23,28.

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摘要

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结论

参考文献

引用本文

Abstract: In order to study the sulfate erosion resistance of aeolian sand self-compacting concrete, the influence of the amount of aeolian sand on the workability, mass loss rate, relative dynamic elastic modulus and erosion coefficient of aeolian sand self-compacting concrete under different erosion ages was analyzed. The results show that with the increase of replacement rate of aeolian sand, the slump expansion of aeolian sand self-compacting concrete increases first and then decreases. The mass, relative dynamic elastic modulus, and erosion coefficient all show a trend of increasing first and then decreasing with the increase of erosion age. The appropriate amount of aeolian sand can improve the sulfate corrosion resistance of self-compacting concrete. When the erosion age reaches 120 d, the aeolian sand self-compacting concrete with aeolian sand amount of 60% has the best sulfate corrosion resistance. It is found that the erosion coefficient has a good correlation with the relative dynamic elastic modulus and the mass loss rate.

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