Concrete and Fiber Concrete Impact Strength

The results of experimental studies of the impact strength of samples of concrete and steel fiber concrete are presented. For dispersed reinforcement, three types of steel fiber were used - with bent ends, wave and flattened. Tests were conducted to determine the static and dynamic bending strength,...

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Bibliographic Details
Published inMaterials science forum Vol. 1006; pp. 101 - 106
Main Authors Andronov, Volodymyr, Vasiukov, Sergii, Makovkina, Tetiana, Otrosh, Yurii, Surianinov, Mykola
Format Journal Article
LanguageEnglish
Published Pfaffikon Trans Tech Publications Ltd 07.08.2020
Subjects
Bend strength
Concrete
Dynamic loads
Impact strength
Impact tests
Pendulums
Reinforcing steels
Steel fibers
Fine-Grain Concrete
Dynamic Strength
Impact Strength
Static Strength
Fiber
Dynamic Strength Coefficient
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Summary:The results of experimental studies of the impact strength of samples of concrete and steel fiber concrete are presented. For dispersed reinforcement, three types of steel fiber were used - with bent ends, wave and flattened. Tests were conducted to determine the static and dynamic bending strength, and then - impact tests on the pendulum headstock MK-30. It was found that the impact strength increases significantly in the presence of fiber, but the type of fiber has almost no effect on it. Since specimens reinforced with a fiber content of 1.0 and 1.5% differ slightly in impact strength, 1.0% dispersed reinforcement in volume is recommended, both under static and dynamic loads.
Bibliography:Selected, peer-reviewed papers from the International Scientific Applied Conference "Problems of Emergency Situations" (PES 2020), May 5-20, 2020, Ukraine, Kharkiv
ISSN:0255-5476
1662-9752
1662-9752
DOI:10.4028/www.scientific.net/MSF.1006.101