Note
Includes bibliography.
Member of
Contributors
Publisher
Florida Atlantic University
Date Issued
2018
EDTF Date Created
2018
Description
Geopolymer concrete (GC) is a sustainable construction material and a great
alternative to regular concrete. GC is a zero-cement material made from a combination of
aluminate, silicate and an activator to produce a binder-like substance.
This investigation focused on the effects of wet and dry cycles on the strength and
durability of fly ash-based recycled aggregate geopolymer concrete (RAGC). The wet-dry
cycles were performed approximately according to ASTM D559 standards.
RAGC specimens with nearly 70% recycled materials (recycled aggregate and fly
ash) achieved a compressive strength of approximately 3600 psi, after 7 days of heat curing
at 60ºC. Although the recycled aggregate is prone to high water absorption, the
compressive strength decreased by only 4% after exposure to 21 wet-dry cycles, compared
to control specimens that were not exposed to the same conditions. Accordingly, the RAGC
material developed in this study can be considered as a promising environmentally friendly
alternative to cement-based regular concrete.
alternative to regular concrete. GC is a zero-cement material made from a combination of
aluminate, silicate and an activator to produce a binder-like substance.
This investigation focused on the effects of wet and dry cycles on the strength and
durability of fly ash-based recycled aggregate geopolymer concrete (RAGC). The wet-dry
cycles were performed approximately according to ASTM D559 standards.
RAGC specimens with nearly 70% recycled materials (recycled aggregate and fly
ash) achieved a compressive strength of approximately 3600 psi, after 7 days of heat curing
at 60ºC. Although the recycled aggregate is prone to high water absorption, the
compressive strength decreased by only 4% after exposure to 21 wet-dry cycles, compared
to control specimens that were not exposed to the same conditions. Accordingly, the RAGC
material developed in this study can be considered as a promising environmentally friendly
alternative to cement-based regular concrete.
Language
Type
Form
Extent
114 p.
Subject (Topical)
Identifier
FA00013016
Additional Information
Includes bibliography.
Thesis (M.S.)--Florida Atlantic University, 2018.
FAU Electronic Theses and Dissertations Collection
Date Backup
2018
Date Created Backup
2018
Date Text
2018
Date Created (EDTF)
2018
Date Issued (EDTF)
2018
Extension
FAU
IID
FA00013016
Organizations
Attributed name: Florida Atlantic University
Attributed name: College of Engineering and Computer Science
Attributed name: Department of Civil, Environmental and Geomatics Engineering
Person Preferred Name
Mendelson, Monica
author
Graduate College
Physical Description
application/pdf
114 p.
Title Plain
Effects of Repeated Wet-Dry Cycles on Compressive Strength of Fly-Ash Based Recycled Aggregate Geopolymer Concrete (RAGC)
Use and Reproduction
Copyright © is held by the author, with permission granted to Florida Atlantic University to digitize, archive and distribute this item for non-profit research and educational purposes. Any reuse of this item in excess of fair use or other copyright exemptions requires permission of the copyright holder.
http://rightsstatements.org/vocab/InC/1.0/
Origin Information
2018
2018
Florida Atlantic University
Boca Raton, Fla.
Physical Location
Florida Atlantic University Libraries
Place
Boca Raton, Fla.
Sub Location
Digital Library
Title
Effects of Repeated Wet-Dry Cycles on Compressive Strength of Fly-Ash Based Recycled Aggregate Geopolymer Concrete (RAGC)
Other Title Info
Effects of Repeated Wet-Dry Cycles on Compressive Strength of Fly-Ash Based Recycled Aggregate Geopolymer Concrete (RAGC)