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Constraining delamination of CFRP by beam corrugation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F20%3A43917307" target="_blank" >RIV/62156489:43410/20:43917307 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1016/j.engstruct.2020.110237" target="_blank" >https://doi.org/10.1016/j.engstruct.2020.110237</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.engstruct.2020.110237" target="_blank" >10.1016/j.engstruct.2020.110237</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Constraining delamination of CFRP by beam corrugation

  • Original language description

    The reinforcement of timber and concrete load bearing beams is increasingly utilized. The most promising effect can be achieved by CFRP (carbon fibre reinforced polymer). However, the difference in mechanical properties of the materials used may be so vast that the two components slip from each other at high stresses. This study deals with the delamination of CFRP from a beam. Design of corrugated reinforced surface is presented. It is based on area enlargement, which leads to a higher applied force needed for CFRP delamination during 4-point bending. Moreover, the corrugated shape comes to synergy with the timber beam which deforms during the flexural load and cyclic humidity. Corrugated CFRP is able to adapt to transverse dimensional changes and vice-versa increases the bending stiffness in the longitudinal direction. All in all, the corrugated shape of CFRP constrains the delamination and seems to be applicable for long-term reinforcement.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Engineering Structures

  • ISSN

    0141-0296

  • e-ISSN

  • Volume of the periodical

    207

  • Issue of the periodical within the volume

    15 March

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    9

  • Pages from-to

    110237

  • UT code for WoS article

    000514214200045

  • EID of the result in the Scopus database

    2-s2.0-85078318745