1. bookVolume 14 (2019): Issue 1 (December 2019)
Journal Details
License
Format
Journal
eISSN
1338-7278
First Published
29 Mar 2013
Publication timeframe
2 times per year
Languages
English
Open Access

The effect of CO2 on cement composites produced with an admixture of waste sludge water from a concrete plant

Published Online: 31 Dec 2019
Volume & Issue: Volume 14 (2019) - Issue 1 (December 2019)
Page range: 39 - 46
Journal Details
License
Format
Journal
eISSN
1338-7278
First Published
29 Mar 2013
Publication timeframe
2 times per year
Languages
English
Abstract

This article presents the results of a research dealing with the effect of CO2 on cement composites prepared on the basis of waste sludge water from the concrete plant. The designed formulas R1 and R3 use waste sludge water from the concrete plant as a partial or complete replacement of mixing water in the production of cement composites. The mixing water was replaced by waste sludge water in the amounts of 25%, 50%, 75% and 100%. Laboratory tests that are defined in ČSN EN 1008 standard were performed in order to determine the effect of partial or complete replacement of mixing water. The test specimens were further subjected to the effect of CO2 in the Lamart laboratory chamber, where the effect of CO2 was simulated for the period 50 years. Subsequently, the cement composites were tested for their strength characteristics (tensile flexural strength, compressive strength) and subjected to a mineralogical analysis. The results show that the effect of CO2 will reduce the strength characteristics of the composite compared to the comparative samples.

Keywords

[1] Cabral M R, Nakanishi E Y and Fiorelli J, 2017. Evaluation of the Effect of Accelerated Carbonation in Cement–Bagasse Panels after Cycles of Wetting and Drying, J. Mat. Civ. Eng. 29 doi: 10.1061/(ASCE)MT.1943-5533.000186110.1061/(ASCE)MT.1943-5533.0001861Open DOISearch in Google Scholar

[2] Marangu J M, Thiong’o J K and Wachira J M, 2019. Review of Carbonation Resistance in Hydrated Cement Based Materials, J. Chem. 2019 doi: 10.1155/2019/848967110.1155/2019/8489671Open DOISearch in Google Scholar

[3] Lazarean H N A, Iliescu M, Ciont N and Abrudan I F, 2019. Degradation processes of iron-sulfides and calcite containing aggregates from asphaltic mixtures. Con. Build. Mat. 212, 745-754 doi: 10.1016/j.conbuildmat.2019.04.01810.1016/j.conbuildmat.2019.04.018Open DOISearch in Google Scholar

[4] Xie X, Feng Q, Chen Z, Jiang L and Lu W, 2019. Diffusion and distribution of chloride ions in carbonated concrete with fly ash. Con. Build. Mat. 218, 119-125 doi: 10.1016/j.conbuildmat.2019.05.04110.1016/j.conbuildmat.2019.05.041Open DOISearch in Google Scholar

[5] Tonoli G H D and kol., 2019. Influence of the initial moisture content on the carbonation degree and performance of fiber-cement composites. Con. Build. Mat. 215, 22-29 doi: 10.1016/j.conbuildmat.2019.04.15910.1016/j.conbuildmat.2019.04.159Open DOISearch in Google Scholar

[6] Qin L, Gao X and Chen T, 2019. Influence of mineral admixtures on carbonation curing of cement paste. Con. Build. Mat. 212, 653-662 doi: 10.1016/j.conbuildmat.2019.04.03310.1016/j.conbuildmat.2019.04.033Open DOISearch in Google Scholar

[7] El-Hassan H and Shao Y, 2015. Early carbonation curing of concrete masonry units with Portland limestone cement. Cem. Con. Comp. 62, 168-177 doi: 10.1016/j.cemconcomp.2015.07.00410.1016/j.cemconcomp.2015.07.004Open DOISearch in Google Scholar

[8] Castellote M, Andrade C, Turrillas X, Campo J and Cuello G J, 2008. Accelerated carbonation of cement pastes in situ monitored by neutron diffraction. Cem. Con. Res 38(12), 1365-1373 doi: 10.1016/j.cemconres.2008.07.00210.1016/j.cemconres.2008.07.002Search in Google Scholar

[9] Mo L and Panesar D K, 2013. Accelerated carbonation – A potential approach to sequester CO2 in cement paste containing slag and reactive MgO. Cem. Con. Comp. 43, 69-77 doi: 10.1016/j.cemconcomp.2013.07.00110.1016/j.cemconcomp.2013.07.001Open DOISearch in Google Scholar

[10] Li L, Zhan B, Lu J and Poon Ch, 2019. Systematic evaluation of the effect of replacing river sand by different particle size ranges of fine recycled concrete aggregates (FRCA) in cement mortars. Con. 209, 147-155 doi: 10.1016/j.conbuildmat.2019.03.04410.1016/j.conbuildmat.2019.03.044Search in Google Scholar

[11] Juradin S, Goran B and Haparin A, 2012. Experimental Testing of the Effects of Fine Particles on the Properties of the Self-Compacting Lightweight Concrete. Adv. Mat. Sci. doi: 10.1155/2012/39856710.1155/2012/398567Open DOISearch in Google Scholar

[12] ČSN EN 196-1. Methods of testing cement - Part 1: Determination of strength. Praha: Czech office for standards, metrology and testing, 2016.Search in Google Scholar

[13] ČSN EN 1008. Mixing water for concrete–Specification for sampling, testing and assessing the suitability of water, including waterecovered from processes in the concrete industry, as mixing water for concrete. Praha: Czech office for standards, metrology and testing, 2003.Search in Google Scholar

[14] ČSN EN 196-3. Methods of testing cement - Part 3: Determination of setting times and soundness. Praha: Czech office for standards, metrology and testing, 2017.Search in Google Scholar

[15] ČSN EN 197-1 ed.2. Cement - Part 1: Composition, specifications and conformity criteria for common cements. Czech office for standards, metrology and testing, 2012.Search in Google Scholar

Recommended articles from Trend MD

Plan your remote conference with Sciendo