Blast impact behaviour of concrete with different fibre reinforcement

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Blast impact behaviour of concrete with different fibre reinforcement

Authors
Type
Published Article
Journal
EPJ Web of Conferences
2100-014X
Publisher
EDP Sciences
Publication Date
Volume
94
Identifiers
DOI: 10.1051/epjconf/20159405006
Source
EDP Sciences

Abstract

The paper summarizes the results of the development of special concrete intended for the explosion resistance applications, with the emphasis on minimal secondary fragments formation at the explosion. The fine-grained concrete matrix has been reinforced by various types of short dispersed fibers (metallic, mineral and polymer) of different sizes and by their combination and the effect of the fibre reinforcement on the physico-mechanical properties and blast resistance was observed. The concrete prism specimens have been subjected to the determination of mechanical parameters (compressive and flexural strength at quasi-static load). The blast tests were conducted on the slab specimens prepared from selected mixtures. The material characteristics and explosion test data have been used for numerical investigation, which defined the optimal wall composition and dimensions of the concrete element which should resist the explosion defined by type, size, weight and placement of the blast. In the next step the test elements resistance was verified by real explosion test.

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