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不同粉煤灰掺量下再生混凝土性能试验研究

王锦 胡军 李頔 王思骅 王胜

江西建材Issue(1):50-52,3.
江西建材Issue(1):50-52,3.

不同粉煤灰掺量下再生混凝土性能试验研究

Experimental Study on Performance of Recycled Concrete Under Different Fly Ash Content

王锦 1胡军 2李頔 1王思骅 1王胜1

作者信息

  • 1. 毕节职业技术学院,贵州 毕节 551700
  • 2. 毕节市住房保障服务中心,贵州 毕节 551700
  • 折叠

摘要

Abstract

In order to explore the relationship between the performance of recycled concrete prepared by the addition of fly ash and the amount of fly ash,the freeze-resistance,mechanical properties and working properties of recycled concrete under different fly ash contents were tested and analyzed.The results show that the working performance of recycled concrete is gradually improved with the increase of fly ash content,and the lifting effect increases with the increase of fly ash content.With the increase of fly ash content,the splitting tensile strength and com-pressive strength of recycled concrete both increased in the early stage and decreased in the late stage.The recycled concrete prepared by adding 20%fly ash has good mechanical properties,and the recycled concrete has good relative dynamic elastic modulus and mass loss rate.

关键词

粉煤灰/再生混凝土/建筑垃圾

Key words

Fly ash/Recycled concrete/Construction waste/Environmental performance

分类

建筑与水利

引用本文复制引用

王锦,胡军,李頔,王思骅,王胜..不同粉煤灰掺量下再生混凝土性能试验研究[J].江西建材,2025,(1):50-52,3.

江西建材

1006-2890

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