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Effect of Cement Dosage on Selected Mechanical Fracture Parameters of Concretes

Šimonová, Hana / Havlíková, Ivana / Daněk, Petr / Lehký, David / Kucharczyková, Barbara / Keršner, Zbyněk

Mechanical fracture parameters obtained from three-point bending tests on concrete specimens with a central edge notch are introduced in this paper. A total of four sets of specimens were tested. The concrete used in each set differed in cement dosage, which ranged from 250 to 455 kg per m³ of fresh concrete. Three specimens in each set were tested at the age of 28 days. Increasing the dosage of cement influences the mechanical fracture properties of concretes in both positive and negative ways.

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Effect of Cement Dosage on Selected Mechanical Fracture Parameters of Concretes

Šimonová, Hana / Havlíková, Ivana / Daněk, Petr / Lehký, David / Kucharczyková, Barbara / Keršner, Zbyněk

Mechanical fracture parameters obtained from three-point bending tests on concrete specimens with a central edge notch are introduced in this paper. A total of four sets of specimens were tested. The concrete used in each set differed in cement dosage, which ranged from 250 to 455 kg per m³ of fresh concrete. Three specimens in each set were tested at the age of 28 days. Increasing the dosage of cement influences the mechanical fracture properties of concretes in both positive and negative ways.

Effect of Cement Dosage on Selected Mechanical Fracture Parameters of Concretes

Šimonová, Hana / Havlíková, Ivana / Daněk, Petr / Lehký, David / Kucharczyková, Barbara / Keršner, Zbyněk

Mechanical fracture parameters obtained from three-point bending tests on concrete specimens with a central edge notch are introduced in this paper. A total of four sets of specimens were tested. The concrete used in each set differed in cement dosage, which ranged from 250 to 455 kg per m³ of fresh concrete. Three specimens in each set were tested at the age of 28 days. Increasing the dosage of cement influences the mechanical fracture properties of concretes in both positive and negative ways.

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Titel:

Effect of Cement Dosage on Selected Mechanical Fracture Parameters of Concretes

Beteiligte:

Šimonová, Hana / Havlíková, Ivana / Daněk, Petr / Lehký, David / Kucharczyková, Barbara / Keršner, Zbyněk

Erschienen in:

Applied Mechanics and Materials ; 617 ; 239-242

Erscheinungsdatum:

18.08.2014

Format / Umfang:

4 pages

ISSN:

1662-7482 , 1660-9336

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.617.239

Medientyp:

Aufsatz (Zeitschrift)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Concrete , Identification , Inverse Analysis Method , Double-<i>K</i> Fracture Model , Artificial Neural Network (ANN) , Cement Dosage , Mechanical Fracture Parameters , Three Point Bending Fracture Test

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Fracture toughness of portland cement concretes

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Fracture Mechanics Applicability to Portland Cement Concretes

D. J. Naus | NTIS | 1972

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