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논문 기본 정보

자료유형
학술저널
저자정보
Sheng Sun (North China University of Water Resources and Electric Power) Xiaoyan Han (North China University of Water Resources and Electric Power) Aijiu Chen (North China University of Water Resources and Electric Power) Qing Zhang (Hohai University) Zhihao Wang (North China University of Water Resources and Electric Power) Keliang Li (North China University of Water Resources and Electric Power)
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.17 No.4
발행연도
2023.7
수록면
765 - 779 (15page)

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Recycling scrap tires provides an alternative source of fine aggregates for the production of rubberized concrete and this will lead to significant increase in concrete frost resistance, environmental protection, and conservation of natural sand and gravel resources. In this paper, a total of 25 groups of rubberized concrete were produced by adding scrap tire rubber particles of different sizes, contents, and pretreatment methods to replace the fine aggregate, and their compressive strength during freeze–thaw cycles was studied from both the macro- and meso-perspectives. The results indicated that the decrease in concrete strength and weight was notably restricted by the presence of rubber particles during freeze–thaw cycles. The rubber fine aggregate with smaller particle sizes enhanced the concrete frost resistance more significantly, and the F100 of concrete with rubber particles of 1.0–2.0 ㎜ increased from 76.6 to 86.5% by increasing the rubber content from 0.0 to 5.6%. The effects of rubber fine aggregate on concrete compressive strength during freeze–thaw cycles were quantified. On this basis, a forecast model for rubberized concrete compressive strength in freeze–thaw cycles was proposed, and the effects of the particle size, content, and pretreatment of the rubber particles were considered. The calculated results agreed well with the test results both in this study and the relevant peer studies, indicating that the model can provide a good reference for the design and engineering application of rubberized concrete in frigid environments.

목차

Abstract
1 Introduction
2 Experimental Design
3 Results and Discussion
4 Evaluation of Compressive Strength During Freeze–Thaw Cycles
5 Conclusions
References

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