Authors :
Maninder Pal Singh; Vishal Mahajan
Volume/Issue :
Volume 9 - 2024, Issue 12 - December
Google Scholar :
https://tinyurl.com/4zfe2mur
Scribd :
https://tinyurl.com/5n74hps9
DOI :
https://doi.org/10.5281/zenodo.14591215
Abstract :
As part of a research initiative conducted by
the governments of several nations, it has been noted that
structures constructed between 1960 and 2000 are
currently exhibiting significant indicators of degradation.
It is clear that a harsh environment has an effect on
failure rates. This paper reports on an experimental study
that was conducted to examine how carbonation affected
the mechanical characteristics of both plain concrete and
concrete that had various doses of fly ash and silica fume
added by weight replacement of ordinary Portland
cement. This study uses cement with a constant
water/cement ratio of 0.46. The effect of carbonation is
observed by measuring the depth of carbonation using
phenolphthalein solution. In the present study, it
adjudged that from all fly ash and silica fume based mix
combinations the mix combination PC20SF mentioned as
the most optimum mix combination in terms of decrease
in carbonation depth.
Keywords :
Carbonation Depth, Durability of Concrete, Silica Fume, Fly Ash.
References :
- Arandigoyen, M. and Alvarez, J.I. 2006, Carbonation process in lime pastes with different water/binder ratio, Material Construction, 56(281), 5-18 (ISBN 0465-2746).
- Atis, C.D., 2004, Carbonation Porosity-Strength Model for Fly Ash Concrete, Journal of Materials in Civil Engineering, 16, 91-94.
- Das, B.B. and S.P Pandey.,2011, Influence of Fineness of Fly Ash on the Carbonation and Electrical Conductivity of Concrete, Journal of Materials in Civil Engineering, 23, 1365-1368.
- Bary, B., Sellier, A., 2001, Coupled-carbon dioxide-calcium transfer model for carbonation of concrete. Cem. Concr. Res. 34, 1859-1872.
- Basheer, P.A.M. McPolin, D.O. Long, A.E. Grattan, K.T.V. and Sun, T., 2007, New Test Methods to obtain pH Profiles due to carbonation of concretes containing Supplementary Cementitious Materials, Journal of Materials in Civil Engineering, 19, 936-946.
- Bertosa, M.F., Simons, S.J.R., Hills, C.D. Carey, P.J., 2004, A review of accelerated carbonation technology in the treatment of cement-based materials and sequestration of CO2, Journal of Hazardous Materials B112, 193–205.
- Braid, T., Cairns-Smith, A.G., and Snell, D.S., 1975, Morphology and CO2 Uptake in Tober- morite Gel, Journal of Colloid and Interface Science, 50(2), 387-391.
- Burden, D., 2006, The durability of concrete containing high levels of Fly Ash, Portland Cement Association R&D Serial No. 2989.
- Chen, C.T. and Ho, C.W., 2013, Influence of Cyclic Humidity on Carbonation of Concrete, Journal of Materials in Civil Engineering, 25,1929-1935.
- Chung, D.D.L., 2002, Review improving cement-based materials by using silica fume, Journal of Material Science, Composite Materials Research Laboratory, State university of New York at Buffalo, USA.
- Papadakis V.G., Fardis M.N. and Vayenas C.G., 1992, “Effect of Composition, Environmental Factors and Cementlime Motor Coating on Concrete Carbonation,” Materials and Structures, Vol. 25, No. 149, pp. 293-304.
- Roy S.K., Poh K.B. and Northwood D.O.,1999, “Durability of Concrete-Accelerated Carbonation and Weathering Studies,” Cement and Concrete Research, Vol. 34, pp. 597-606.
- Verbeck G.J.,1958, “Carbonation of Hydrated Portland Cement,” ASTM. Sp. Tech. Publ., No. 205, pp. 17-36.
14. Claisse, P.A. Cabrera J.G. and Hunt, D.N.,2001 Measurement of porosity as a predictor of the durability performance of concrete with and without condensed silica fume, Advances in Cement Research, 13(4), 165-174.
As part of a research initiative conducted by
the governments of several nations, it has been noted that
structures constructed between 1960 and 2000 are
currently exhibiting significant indicators of degradation.
It is clear that a harsh environment has an effect on
failure rates. This paper reports on an experimental study
that was conducted to examine how carbonation affected
the mechanical characteristics of both plain concrete and
concrete that had various doses of fly ash and silica fume
added by weight replacement of ordinary Portland
cement. This study uses cement with a constant
water/cement ratio of 0.46. The effect of carbonation is
observed by measuring the depth of carbonation using
phenolphthalein solution. In the present study, it
adjudged that from all fly ash and silica fume based mix
combinations the mix combination PC20SF mentioned as
the most optimum mix combination in terms of decrease
in carbonation depth.
Keywords :
Carbonation Depth, Durability of Concrete, Silica Fume, Fly Ash.