Fracture behaviour of hybrid fibre-reinforced roller-compacted concrete used in pavements

被引：27
|
作者：
Scorza, Daniela [1 ]
Luciano, Raimondo [1 ]
Mousa, Saeed [2 ]
Vantadori, Sabrina [3 ]
机构：
[1] Univ Naples Parthenope, Dept Engn, Ctr Direzionale Isola C4, I-80143 Naples, Italy
[2] Jazan Univ, Fac Engn, Jazan 706, Saudi Arabia
[3] Univ Parma, Dept Engn & Architecture, Parco Area Sci 181-A, I-43124 Parma, Italy
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2021年 / 271卷
关键词：
Fracture toughness; Hybrid fibre-reinforcement; Modified two-parameter model; Roller-compacted concrete; Toughness index; MACRO-SYNTHETIC FIBER; MECHANICAL-PROPERTIES; STEEL-FIBER; MODE-I; ASPHALT PAVEMENT; COMPOSITES; TOUGHNESS; ASH; PERFORMANCE; MIXTURES;
D O I：
10.1016/j.conbuildmat.2020.121554
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The aim of the present paper is to investigate the fracture properties of hybrid fibre-reinforced Roller-Compacted Concretes (RCCs), typically used in pavements. More precisely, tests to determine fracture toughness are performed, including both single and hybrid fibre-reinforced concrete specimens. Plain concrete specimens are also tested for comparison with the previous ones. The Modified Two Parameter Model, formulated by some of the present authors, is employed in order to compute the mixed-mode fracture toughness. Moreover, the ductility is evaluated through a toughness index, and the effect of the reinforcing fibres on the material post-peak behaviour is discussed. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：14
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