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Mechanical Properties and Evaluation of Concrete Beams Made of a Large Amount of Fine Fly Ash

 Mechanical Properties and Evaluation of Concrete Beams Made of a Large Amount of Fine Fly Ash
Auteur(s):
Présenté pendant IABSE Conference: Elegance in structures, Nara, Japan, 13-15 May 2015, publié dans , pp. 328-329
DOI: 10.2749/222137815815775213
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Nine reinforced concrete beams were fabricated and tested under monotonic shear and bending to investigate effects of the fine fly ash content on ultimate shear strength and deformation capacity of...
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Détails bibliographiques

Auteur(s):
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Elegance in structures, Nara, Japan, 13-15 May 2015
Publié dans:
Page(s): 328-329 Nombre total de pages (du PDF): 8
Page(s): 328-329
Nombre total de pages (du PDF): 8
Année: 2015
DOI: 10.2749/222137815815775213
Abstrait:

Nine reinforced concrete beams were fabricated and tested under monotonic shear and bending to investigate effects of the fine fly ash content on ultimate shear strength and deformation capacity of concrete beams. Taking the fine fly ash content, the shear span ratio, and the section size of beams as primary experimental variables, all test beams were prismatic beams and made of concrete with a water-to-cement ratio as low as 65%. Test results have indicated that increasing the fly ash content can enhance both ultimate shear strength and deformation capacity. The larger the quantity of fine fly ash, the higher the shear strength and the rotation angle at the peak shear. The use of 455 kg/m³ fly ash per unit volume in a concrete beam, which had no transverse hoops and had shear span ratio of 1.0, could enhance the ultimate rotation angle of the beam up to 0.02 radian.