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Petr Lehner

2 linked publication records · VSB - Technical University of Ostrava

Author: Petr Lehnerclear all
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SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Nano, Bio, Green and Space: Technologies for a Sustainable Future, Vol. 23, Issue 6.1
Publication

EXPERIMENTAL AND NUMERICAL ASSESSMENT OF CHLORIDE PENETRATION INTO CONCRETE

(STEF92 Technology, 2023-10-01, Dita Vořechovská, Kristýna Hrabová, Petr Lehner, Pavla Rovnanı́ková, Petr Konečný)

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Durability and reliability of concrete structures is influenced by different forms and combinations of attacks such as environmental, mechanical, chemical and/or electrochemical. Among them the damage due to reinforcement corrosion is a rather crucial one and rather often is governed by the presence of chlorides on the surface of the steel. To assess and/or predict this complex effect causing a specific type of concrete damages, both the experimental and modelling methods have to be utilized. As a part of large ex...

Green Design and Sustainable Architecture2023
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Nano, Bio, Green and Space: Technologies for a Sustainable Future, Vol. 23, Issue 6.2
Publication

THE INFLUENCE OF POLYPROPYLEN FIBRES OF CONCRETE PROPERTIES

(STEF92 Technology, 2023-12-15, Kristýna Hrabová, Jaromir Lanik, Magda Cibulkova, Petr Lehner)

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With the development of concrete technology, the polypropylene fibers have been extensively used in concrete structures for property and durability enhancement. The polypropylene fibers have significantly low cost compared to steel, the use of macro polypropylene fiber could achieve a similar level of reinforcement in concrete at a half price of using steel. The article focuses on the influence of polypropylene fibres of concrete properities. The aim is to compare the basic material properties of concretes with th...

Green Buildings Technologies and Materials2023
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