Influence of Water Cement Ratio on Mass Loss and Compressive Strength Degradation of Concrete at Elevated Temperature

张白; 陈俊; 杨鸥; 杨才千; 龙士国; 许福

doi:10.13409/j.cnki.jdpme.2018.06.016

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Influence of Water Cement Ratio on Mass Loss and Compressive Strength Degradation of Concrete at Elevated Temperature

更新时间：2025-12-11

- Influence of Water Cement Ratio on Mass Loss and Compressive Strength Degradation of Concrete at Elevated Temperature
- Vol. 38, Issue 6, Pages: 1012-1019+1060(2018)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2018.06.016
  CLC： U528
- Published：2018
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[1]张白,陈俊,杨鸥,杨才千,龙士国,许福.水灰比对高温下混凝土质量损失及抗压强度影响试验研究[J].防灾减灾工程学报,2018,38(06):1012-1019+1060.

张白, 陈俊, 杨鸥, et al. Influence of Water Cement Ratio on Mass Loss and Compressive Strength Degradation of Concrete at Elevated Temperature[J]. 2018, 38(6): 1012-1019+1060.
[1]张白,陈俊,杨鸥,杨才千,龙士国,许福.水灰比对高温下混凝土质量损失及抗压强度影响试验研究[J].防灾减灾工程学报,2018,38(06):1012-1019+1060. DOI： 10.13409/j.cnki.jdpme.2018.06.016.

张白, 陈俊, 杨鸥, et al. Influence of Water Cement Ratio on Mass Loss and Compressive Strength Degradation of Concrete at Elevated Temperature[J]. 2018, 38(6): 1012-1019+1060. DOI： 10.13409/j.cnki.jdpme.2018.06.016.

摘要

为研究水灰比对不同温度作用下混凝土残余抗压强度、质量损失的影响

对不同受火温度和不同水灰比的混凝土标准立方体试件进行高温下及高温后的抗压强度试验和质量损失测试。试验结果表明:随着水灰比的增大

高温下及高温后混凝土抗压强度、混凝土质量损失均呈现出整体下降的趋势。通过试验拟合回归分析

建立了高温下混凝土抗压强度、质量损失与受火温度之间的关系式

可通过质量损失、受火温度来预估高温下混凝土残余抗压强度。

Abstract

In order to investigate the influence of water-cement ratio on compressive strength and mass loss of concrete under different elevated temperature levels

a total of 100 standard concrete cube specimens with different water-cement ratios were tested at and after elevated temperatures.The experimental results show that the compressive strength and mass loss of concrete tend to decrease with the increase of water-cement ratio after the specimen exposed to high temperatures.By regression analysis on test data

the relationship between compressive strength as well as mass loss of concrete and exposure temperatures was proposed

which can be used to assess the residual compressive of concrete suffering mass loss or high temperature.

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references

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