ESR 7: Debonding of the reinforcement in Fiber Reinforced Polymer and Fiber Reinforced Cementitious Matrix externally strengthened beams

  • Application deadline: 30/06/2020 17:00 CEST Brussels
  • Offer starting date: 01/11/2020
  • Researcher profile: First Stage Researcher (R1)
  • Type of contract: Temporary
  • Job status: Full-time
  • Hours per week: 40
  • Secondments: 6 months at ETH Zurich (Switzerland) & 4 months at FIDAMC (Spain)

Contract signing and incorporation dates are indicative and have yet to be defined.

  • Recruiting institutionPolitecnico di Torino»
  • City, Country: Torino, Italy
  • Organization type: Higher Education Institute
  • Department: DISEG -Dipartimento di Ingegneria Strutturale, Edile e Geotecnica
  • Main supervisor: Prof. Pietro Cornetti
  • Research Field:
    • Engineering > Civil engineering
    • Engineering > Mechanical engineering
Project Description


Externally reinforced structures are composite structures where the heterogeneity is due to the application of an external reinforcement to an existing structure in order to restore it or to increase its bearing load. The main objective of this ESR project is the analysis of the delamination of the external reinforcement in rectilinear and curved beams strengthened by thin Fiber Reinforced Polymer (FRP) or Fiber Reinforced Cementitious Matrix (FRCM) composite.

The problem has a great relevance since external bonding of Fiber Reinforced Composites is nowadays a common practice in strengthening of existing structures in general and in restoring of stone and masonry arches in particular. Furthermore, among the different failure mechanisms of strengthened structures, the reinforcement debonding is probably the most important one to be investigated because of his typical brittle and catastrophic character.

A first goal of the project is to develop an analytical approximate solution for the interfacial stresses between the structure and the reinforcement, under different mechanical and thermal loading conditions. A second goal is the application of LEFM, FFM and its comparison with the numerical solution of the problem by means of the Cohesive Crack Model (CCM). A third goal is to understand the effect of cyclic loads by assessing the fatigue behavior of FRP-to-concrete joints. Cooperation with a research team testing large-size beams from an existing infrastructure undergoing different kinds of retrofitting is also expected.

Additional Information


A full-time fixed-term contract is offered. Marie Curie ITNs provide competitive financial support to the ESR including: a competitive monthly living and mobility allowance and salary, coverage of the expenses related to the participation of the ESR in research and training activities (contribution to research-related costs, meetings, conference attendance, training actions, etc.). The recruited researchers will have a regular contract with the same rights and obligations as any other staff member of the institution.

Eligibility criteria

Applicants must at the time of recruitment:

  1. Be in the first four years (full-time equivalent) of their research careers. The four years start to count from the date when a researcher obtained the degree (e.g. Master’s degree) which would formally entitle him/her to embark on a doctorate.
  2. Candidates could be of any nationality but have not resided in the host country for more than 12 months in the last 3 years.
  3. Have not been awarded a doctoral degree.

Selection process

Applicants are evaluated by a selection committee on the basis of past academic performance (grades) and background, scientific relevance and aptitude to research, and any other additional pertinent data submitted in the application (such as scientific publications, if any).

The candidates that pass the initial assessment of the applications will be invited for an interview with the selection committee, either in person at the campus, or via standard internet videoconference. Equal opportunities are ensured to all candidates throughout the evaluation process.

EURAXESS offer ID: 491918

ESR7 - PhD Student Position within EU MSCA-ITN-ETN NewFrac


Offer requirements

  • Required Education Level: Engineering - Master Degree or equivalent
  • Required Languages: English - Excellent

Skills / Qualifications

  • Master’s degree in Mechanical/Aeronautical/Civil Engineering/ Physics/ Applied Mathematics, earned before 31/10/2020
  • Excellent undergraduated and Master’s degree grades
  • High level of written and spoken English
  • Teamwork ability

Specific Requirements

  • Excellent mathematical knowledge
  • Focus on solid mechanics and fracture mechanics
  • Familiarity with Mathematica, Matlab and FEM programs
All PhD positions

ESR project

Host Institution


IRP/ESR 1: Total energy minimization with stress conditions for mixed mode fracture in anisotropic heterogeneous materials and structures

Universidad de Sevilla (Spain)

IRP/ESR 2: Toughening composites by micro and meso structural optimization

Universidad de Sevilla (Spain)

IRP/ESR 3: Fracture analysis of advanced layered ceramics

Sorbonne Université (France)

IRP/ESR 4: Fracture of LFRP ultra-thin ply laminates in aeronautical applications

Universidade do Porto (Portugal) 

IRP/ESR 5: Nucleation and propagation of compressive cracks

Sorbonne Université (France)

IRP/ESR 6: Multiscale modeling of fracture processes in injection molded SFRPs

Robert Bosch GmbH (Germany)

IRP/ESR 7: Debonding of the reinforcement in LFRP externally strengthened curved beams

Politecnico di Torino (Italy)

IRP/ESR 8: Fracture in biological anisotropic hard tissues (human bones)

Tel-Aviv University (Israel)

IRP/ESR 9: Multi-field and multi-scale modeling of fracture for renewable energy applications

IMT School for Advanced Studies Lucca (Italy)

IRP/ESR 10: PF modeling of fracture in the human femur

Eidgenoessische Technische Hochschule Zürich (Switzerland)

IRP/ESR 11: Analysis of the failure mechanisms associated to the unfolding failure in CFRP profiles

Fundación Investigación, Desarrollo y Aplicación de Materiales Compuestos (Spain)

IRP/ESR 12: Fracture in fibre-reinforced thermoplastics (FRTPs) across the scales

Universidade do Porto (Portugal)

IRP/ESR 13: Phase Field and Finite Fracture Mechanics for dynamic crack propagation and delamination in brittle materials and composites

Politecnico di Torino (Italy)

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European Commission under a Marie Skłodowska-Curie Actions

Funded by the European Commission under a Marie Skłodowska-Curie Actions. Grant Agreement n° 861061