2017
DOI: 10.1007/s40069-017-0195-6
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Effect of Fiber Hybridization on Durability Related Properties of Ultra-High Performance Concrete

Abstract: The purpose of the paper is to determine the influence of two widely used steel fibers and polypropylene fibers on the sulphate crystallization resistance, freeze-thaw resistance and surface wettability of ultra-high performance concrete (UHPC). Tests were carried out on cubes and cylinders of plain UHPC and fiber reinforced UHPC with varying contents ranging from 0.25 to 1% steel fibers and/or polypropylene fibers. Extensive data from the salt resistance test, frost resistance test, dynamic modulus of elastic… Show more

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Cited by 52 publications
(45 citation statements)
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References 31 publications
(38 reference statements)
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“…In general, UHPC consists of cement, silica fume, quartz sand, fiber, superplasticizer, and other constituents and exhibits very high compressive strength, high ductility, and outstanding durability [31][32][33][34][35]. High-temperature curing is usually used for UHPC, which is beneficial for the early hydration of cement and mineral admixtures [36][37][38].…”
Section: Introductionmentioning
confidence: 99%
“…In general, UHPC consists of cement, silica fume, quartz sand, fiber, superplasticizer, and other constituents and exhibits very high compressive strength, high ductility, and outstanding durability [31][32][33][34][35]. High-temperature curing is usually used for UHPC, which is beneficial for the early hydration of cement and mineral admixtures [36][37][38].…”
Section: Introductionmentioning
confidence: 99%
“…Another type of fibres that are widely employed in diverse applications is the steel fibre (SF). Numerous studies reported that SF may successfully mitigate cracking and the occurrence of scratches in concrete and thus in buildings [ 21 , 27 , 28 ]. The presence of SF has an insignificant influence on the compressive strength of concrete; it improves the flexural and tensile strength as well as the dynamic modulus of elasticity [ 25 , 27 ].…”
Section: Introductionmentioning
confidence: 99%
“…Numerous studies reported that SF may successfully mitigate cracking and the occurrence of scratches in concrete and thus in buildings [ 21 , 27 , 28 ]. The presence of SF has an insignificant influence on the compressive strength of concrete; it improves the flexural and tensile strength as well as the dynamic modulus of elasticity [ 25 , 27 ]. The frost resistance of concrete with SF is relatively low, as indicated by Smarzewski, P. and Barnat-Hunek, D. [ 27 ]; it also depends on its porosity, aggregate and fibre properties as well as environmental conditions.…”
Section: Introductionmentioning
confidence: 99%
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“…Concrete, however, exhibits relatively low tensile strength-approximately 10% of its compressive strength-and inherently brittle behavior [2]. To overcome these mechanical limitations, fiber-reinforced concrete incorporating discrete short fibers has been developed [3][4][5][6]. Recently, a highly ductile fiber-reinforced cementitious composite has also been developed; this material is characterized by high ductility and strain-hardening behaviors [7].…”
Section: Introductionmentioning
confidence: 99%