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June 9, 2019
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Bilinear softening parameters and equivalent LEFM R-curve in quasibrittle failure

Publicated to: INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES. 47 (6): 837-850 - 2010-03-15 47(6), DOI: 10.1016/j.ijsolstr.2009.11.022

Authors:

Morel, S.; Lespine, C.; Coureau, J. -L.; Planas, J.; Dourado, N.;
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Affiliations

CITAB UTAD, Dept Engn, P-5000911 Vila Real, Portugal - Author
ETS Ingenieros Caminos, Dept Ciencia Mat, Madrid 28040, Spain - Author
Univ Bordeaux 1, US2B, UMR 5103, F-33405 Talence, France - Author
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Abstract

For composites and adhesive joints, the determination of the cohesive zone parameters from Double Cantilever Beam specimens loaded with pure moments is now well established and documented. However. for quasibrittle materials used in Civil Engineering such as concrete or wood, the difficulty to apply a pure bending moment lies inappropriated the method used for composites. Nevertheless, the one-to-one correspondence which exists between the R-curve and the softening curve is here revisited and adapted for any kind of specimen geometry and for the bilinear approximation of the softening function, well-known to successfully describe the failure of a wide group of quasibrittle materials. It is shown that even though the connections between the cohesive parameters and the 'equivalent LEFM' R-curve are geometry and material dependent, their trends are preserved whatever the specimen geometry and the material are. The outline of a general estimation procedure of the cohesive zone parameters funded on the equivalent LEFM R-curve is proposed. (C) 2009 Elsevier Ltd. All rights reserved.
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Keywords

Asymptotic analysisBehaviorBilinear softening functionCohesive fracture energyCohesive zone modelConcreteCritical openingDelaminationElastic crackEnergy distributionFiber compositesFracturePlateau value of the resistanceQuasibrittle fractureR-curveSpecimen geometryY equivalences

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2010, it was in position 27/133, thus managing to position itself as a Q1 (Primer Cuartil), in the category Mechanics.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2026-04-25:

  • WoS: 40
  • Scopus: 64
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-25:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 50 (PlumX).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/8507/

As a result of the publication of the work in the institutional repository, statistical usage data has been obtained that reflects its impact. In terms of dissemination, we can state that, as of

  • Views: 384
  • Downloads: 655
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Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: France; Portugal.

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