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	Author	Antico, F.C.; Rojas, P.; Briones, F.; Araya-Letelier, G.
	Title	Animal fibers as water reservoirs for internal curing of mortars and their limits caused by fiber clustering			Type
	Year	2021	Publication	Construction And Building Materials	Abbreviated Journal	Constr. Build. Mater.
	Volume	267	Issue		Pages	120918
	Keywords	Internal curing; Animal fiber; Reinforced mortar; Fiber clusters; Valorized waste; Macroscopic properties; Durability
	Abstract	We present a bottom-up experimental research to address evidence of internal curing of mortars using randomly distributed pig-hair as water reservoirs. Plain and reinforced mortars with pig hair ranging from 0 to 8 kg of fibers per cubic meter of mortar were prepared. The microstructures of plain and reinforced mortars were scanned using electron microscopy and the microhardnesses were measured within the bulk cement paste and cement paste near pig fibers. Electrical resistivity, surface absorption, and residual compressive strength of mortars after freeze-thaw cycles were used to test the effects of internal curing caused by pig hair. Natural fibers used to reinforce mortars increase their toughness and provide part of the necessary water for internal curing, yet internal curing originated by the addition of natural fibers is not proportional to fiber dosage; where the potential to form fiber clusters increases as fiber dosage increases. Results show that there is an optimum fiber dosage that maximizes internal curing caused by these fibers. This study contributes to the research on reinforced mortars with natural fibers to provide sustainable solutions for construction materials.
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	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0950-0618	ISBN		Medium
	Area		Expedition		Conference
	Notes	WOS:000604573000032			Approved
	Call Number	UAI @ alexi.delcanto @			Serial	1267
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