The effects of DiloCarB as carbonation accelerator on the properties of lime mortars

The effects of DiloCarB as carbonation accelerator on the properties of lime mortars This study investigates the effect of the diethyl carbonate as a carbonation accelerator on the carbonation of lime mortars. Two types of lime mortars were prepared, one using lime putty and standard sand and the other using lime putty, dust and fragments of ceramic and standard sand. After a curing time of two weeks, the accelerator product, diethyl carbonate in a solution of ethanol and water, was sprayed on half of the mortars of each type. The differences in the carbonation performance were analyzed at 28, 90, 120 and 180 days using different analytical methods. Apart from the mineralogical and petrographic characterization, the physical, mechanical and hydric properties of the samples were determined. Mechanical tests were conducted only at 90, 120 and 180 days, because at 28 days the lime mortars were considered still too soft. The mortar samples with the accelerator had steadier carbonation and slight changes in their microstructure. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Materials and Structures Springer Journals

The effects of DiloCarB as carbonation accelerator on the properties of lime mortars

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Publisher
Springer Journals
Copyright
Copyright © 2018 by RILEM
Subject
Engineering; Structural Mechanics; Materials Science, general; Theoretical and Applied Mechanics; Operating Procedures, Materials Treatment; Civil Engineering; Building Materials
ISSN
1359-5997
eISSN
1871-6873
D.O.I.
10.1617/s11527-018-1140-0
Publisher site
See Article on Publisher Site

Abstract

This study investigates the effect of the diethyl carbonate as a carbonation accelerator on the carbonation of lime mortars. Two types of lime mortars were prepared, one using lime putty and standard sand and the other using lime putty, dust and fragments of ceramic and standard sand. After a curing time of two weeks, the accelerator product, diethyl carbonate in a solution of ethanol and water, was sprayed on half of the mortars of each type. The differences in the carbonation performance were analyzed at 28, 90, 120 and 180 days using different analytical methods. Apart from the mineralogical and petrographic characterization, the physical, mechanical and hydric properties of the samples were determined. Mechanical tests were conducted only at 90, 120 and 180 days, because at 28 days the lime mortars were considered still too soft. The mortar samples with the accelerator had steadier carbonation and slight changes in their microstructure.

Journal

Materials and StructuresSpringer Journals

Published: Jan 12, 2018

References

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