TY - JOUR
T1 - The influence of molarity variations to the mechanical behavior of geopolymer concrete
AU - Purwanto,
AU - Han, Ay Lie
AU - Nuroji,
AU - Jaya Ekaputri, Januarti
N1 - Publisher Copyright:
© The Authors, published by EDP Sciences, 2018.
PY - 2018/8/22
Y1 - 2018/8/22
N2 - Research on geopolymer concrete has seen a new light in the analyses and experiments for special topics in the field of their mechanical properties. Among the most important are studies of geopolymer concrete subjected to confinement and bond. Regarding the basic material behavior, research of material proportions formulations, mix design formulas and inventions towards the development of a high-performance geopolymer concrete, were conducted. The latest looked into the effects of molar activator concentrations to the 28 days compression strength, and the strength development as a function of concrete age for geopolymer concretes. The specimens were 150 by 300-millimeter cylinders tested in uniaxial compression. The molarity variations were set at 6, 8, and 10 molars. The geopolymer concrete samples were compared to conventional concrete specimens, having the exact same volumetric material proportions. The cement was replaced with fly ash, and the activator with water. The aggregate content was taken as a constant. The concrete strength as a function of molar increase followed a parabolic, convex pattern, suggesting that a maximum value exists. The strength development of all geopolymer concretes had a slower rate when compared to conventional concrete.
AB - Research on geopolymer concrete has seen a new light in the analyses and experiments for special topics in the field of their mechanical properties. Among the most important are studies of geopolymer concrete subjected to confinement and bond. Regarding the basic material behavior, research of material proportions formulations, mix design formulas and inventions towards the development of a high-performance geopolymer concrete, were conducted. The latest looked into the effects of molar activator concentrations to the 28 days compression strength, and the strength development as a function of concrete age for geopolymer concretes. The specimens were 150 by 300-millimeter cylinders tested in uniaxial compression. The molarity variations were set at 6, 8, and 10 molars. The geopolymer concrete samples were compared to conventional concrete specimens, having the exact same volumetric material proportions. The cement was replaced with fly ash, and the activator with water. The aggregate content was taken as a constant. The concrete strength as a function of molar increase followed a parabolic, convex pattern, suggesting that a maximum value exists. The strength development of all geopolymer concretes had a slower rate when compared to conventional concrete.
KW - Age
KW - Compression strength
KW - Geopolymer concrete
KW - Molarity
UR - http://www.scopus.com/inward/record.url?scp=85053607398&partnerID=8YFLogxK
U2 - 10.1051/matecconf/201819501010
DO - 10.1051/matecconf/201819501010
M3 - Conference article
AN - SCOPUS:85053607398
SN - 2261-236X
VL - 195
JO - MATEC Web of Conferences
JF - MATEC Web of Conferences
M1 - 01010
T2 - 4th International Conference on Rehabilitation and Maintenance in Civil Engineering, ICRMCE 2018
Y2 - 11 July 2018 through 12 July 2018
ER -