Cure-on-Demand Acrylamide Grout Using Frontal Polymerization
Publication: Journal of Materials in Civil Engineering
Volume 29, Issue 10
Abstract
An acrylamide-based chemical grouting system has been developed that allows users to initiate the curing process on demand. After heating a localized area, the curing reaction propagates through the grout via a process called frontal polymerization. The system was engineered so that the grout would eventually cure without user input, as with current systems. This cure-on-demand technology enables users to work with systems that have a long pot life, but gives them the flexibility to be able to cure sections of grout at different times. By adjusting the amounts of several components, pot lives ranging from a few minutes to 6 h have been achieved. The speed of propagation of the curing front can also be varied, with as an average rate. The compressive strength of sand grouted with the cure-on-demand system was determined to be four times higher than that of samples prepared using a typical commercially available grout formula.
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Published In
Journal of Materials in Civil Engineering
Volume 29 • Issue 10 • October 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Aug 10, 2016
Accepted: Apr 13, 2017
Published online: Jul 19, 2017
Published in print: Oct 1, 2017
Discussion open until: Dec 19, 2017
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