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Media type:
E-Article
Title:
Increase of fire resistance of reinforced concrete structures with polypropylene microfiber
Contributor:
Gravit, Marina;
Golub, Elena
imprint:
EDP Sciences, 2018
Published in:MATEC Web of Conferences
Language:
Not determined
DOI:
10.1051/matecconf/201824503005
ISSN:
2261-236X
Origination:
Footnote:
Description:
<jats:p>The increase in the construction of high-rise, technically complex buildings and structures is a prerequisite for the widespread use of structures of heavy concrete. In this work, a special type of destruction of this type of concrete is considered in the fire action explosive spalling. One method of protection is polypropylene microfiber, the objective of which is to increase the fire resistance of concrete and reinforced concrete structures. The fire resistance tests of the reinforced concrete structure with the use of microfiber and without it have been carried out. It is shown that polypropylene microfiber can completely prevent explosive spelling of concrete. In addition, the introduction of additives in the form of fibrous materials into the concrete mix is the most optimal from the point of view of labor intensity and material costs.</jats:p>