应变率和尺寸效应对透水混凝土受压动力性能的影响

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发布时间：2020-01-06 00:00:00

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应变率和尺寸效应对透水混凝土受压动力性能的影响

The Influence of Strain Rate and Size Effect on the Dynamic Performance of Pervious Concrete Under Compression

2021年第11期

透水混凝土；尺寸效应；应变率效应；抗压强度

Pervious concrete; Size effect; Strain rate effect; Compressive strength

2021年第11期

10.19761/j.1000-4637.2021.11.023.06

江西省教育厅科学技术研究项目（161562）；水利部土石坝破坏机理与防控技术重点实验室开放基金项目（YK319010）。

祝秀琴1，李维丽1，张丽2，赵志青3

1.华东交通大学理工学院，江西南昌 330011；2.南昌大学共青学院，江西九江 332020；3.南京水利科学研究院水利部土石坝破坏机理与防控技术重点实验室，江苏南京210024

祝秀琴1，李维丽1，张丽2，赵志青3

祝秀琴,李维丽,张丽,等.应变率和尺寸效应对透水混凝土受压动力性能的影响[J].混凝土与水泥制品,2021(11):23-28.

ZHU X Q,LI W L,ZHANG L,et al.The Influence of Strain Rate and Size Effect on the Dynamic Performance of Pervious Concrete Under Compression[J].China Concrete and Cement Products,2021(11):23-28.

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摘要：为研究应变率和尺寸效应对透水混凝土受压动力性能的影响，设置了十种应变率和三种立方体尺寸的试件，对透水混凝土展开单轴受压力学性能试验研究。结果表明：随着应变率的增加，透水混凝土的抗压强度逐渐增大；随着立方体试件边长的增大，应变率对透水混凝土抗压强度的增加幅度逐渐减小，透水混凝土的抗压强度逐渐减小；受应变率增加的影响，尺寸效应对透水混凝土抗压强度的减小幅度逐渐增加；提出的尺寸效应律模型方程能够较好地表述不同应变率下透水混凝土抗压强度的尺寸效应；基于应变率和尺寸效应参数，还提出了透水混凝土抗压强度计算方程。 Abstract: In order to explore the influence of strain rate and size effect on the dynamic performance of pervious concrete under compression, ten different loading strain rates and three different cube sizes specimen were set up. The uniaxial compression performance tests of pervious concrete were carried out. The results show that with the increase of strain rate, the compressive strength of pervious concrete gradually increases. With the increase of cube concrete specimen side length, the increase of strain rate on the compressive strength of pervious concrete gradually decreases, and the compressive strength of pervious concrete gradually decreases. Affected by the increase of strain rate, the size effect on the reduction of the compressive strength of pervious concrete gradually increases. The proposed size effect law model equation can better express the size effect of the compressive strength of pervious concrete under different strain rates. Based on the strain rate and size effect parameters, the calculation equation of the compressive strength of pervious concrete is proposed.

英文名 : The Influence of Strain Rate and Size Effect on the Dynamic Performance of Pervious Concrete Under Compression

刊期 : 2021年第11期

关键词 : 透水混凝土；尺寸效应；应变率效应；抗压强度

Key words : Pervious concrete; Size effect; Strain rate effect; Compressive strength

刊期 : 2021年第11期

DOI : 10.19761/j.1000-4637.2021.11.023.06

文章编号 :

基金项目 : 江西省教育厅科学技术研究项目（161562）；水利部土石坝破坏机理与防控技术重点实验室开放基金项目（YK319010）。

作者 : 祝秀琴1，李维丽1，张丽2，赵志青3

单位 : 1.华东交通大学理工学院，江西南昌 330011；2.南昌大学共青学院，江西九江 332020；3.南京水利科学研究院水利部土石坝破坏机理与防控技术重点实验室，江苏南京210024

祝秀琴1，李维丽1，张丽2，赵志青3

祝秀琴,李维丽,张丽,等.应变率和尺寸效应对透水混凝土受压动力性能的影响[J].混凝土与水泥制品,2021(11):23-28.

ZHU X Q,LI W L,ZHANG L,et al.The Influence of Strain Rate and Size Effect on the Dynamic Performance of Pervious Concrete Under Compression[J].China Concrete and Cement Products,2021(11):23-28.

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摘要

参数

结论

参考文献

引用本文

Abstract: In order to explore the influence of strain rate and size effect on the dynamic performance of pervious concrete under compression, ten different loading strain rates and three different cube sizes specimen were set up. The uniaxial compression performance tests of pervious concrete were carried out. The results show that with the increase of strain rate, the compressive strength of pervious concrete gradually increases. With the increase of cube concrete specimen side length, the increase of strain rate on the compressive strength of pervious concrete gradually decreases, and the compressive strength of pervious concrete gradually decreases. Affected by the increase of strain rate, the size effect on the reduction of the compressive strength of pervious concrete gradually increases. The proposed size effect law model equation can better express the size effect of the compressive strength of pervious concrete under different strain rates. Based on the strain rate and size effect parameters, the calculation equation of the compressive strength of pervious concrete is proposed.

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