Comments on “Prediction on CO2 uptake of recycled aggregate concrete”, Frontiers of Structural and Civil Engineering, 14, 746−759 (2020)

Rui NEVES

doi:10.1007/s11709-021-0782-0

Front. Struct. Civ. Eng. ›› 2021, Vol. 15 ›› Issue (6) : 1504 -1506. DOI: 10.1007/s11709-021-0782-0

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Comments on “Prediction on CO₂ uptake of recycled aggregate concrete”, Frontiers of Structural and Civil Engineering, 14, 746−759 (2020)

Rui NEVES ^†

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Abstract

A methodology to compute the CO₂ uptake of recycled aggregate concrete is proposed in the commented paper. Besides some typos in several formulas, it is found that the approach to estimate the specific surface area of the recycled aggregates is not correct. This issue has some impact in the conclusions of the commented paper. Therefore, aiming to improve the understanding, accuracy and findings of the commented paper, an alternative approach to estimate the specific surface area of the recycled aggregates, as well as an erratum of the formulas and revised conclusions are suggested.

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Rui NEVES. Comments on “Prediction on CO₂ uptake of recycled aggregate concrete”, Frontiers of Structural and Civil Engineering, 14, 746−759 (2020). Front. Struct. Civ. Eng., 2021, 15(6): 1504-1506 DOI:10.1007/s11709-021-0782-0

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References

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[1]	Huang K, Li A, Xia B, Ding T. Prediction on CO₂ uptake of recycled aggregate concrete . Frontiers of Structural and Civil Engineering, 2020, 14(3): 746– 759

[2]	Miyake J, Matsushita H. Evaluation method for consistencies of mortars with various mixture proportions. Journal of Advanced Concrete Technology, 2007, 5(1): 87– 97