Strengthening of timber structures with glued-in rods

Research output: Contribution to journalArticle


The research and development of connecting and strengthening timber structural elements with glued-in rods (GiR) has been ongoing since the 1980s. Despite many successful applications in practice, agreement regarding design criteria has not been reached. This state-of-the-art review summarises results from both research and practical applications regarding connections and reinforcement with GiR. The review considers manufacturing methods, mechanisms and parameters governing the performance and strength of GiR, theoretical approaches to estimate their load-bearing capacity and existing design recommendations.


  • René Steiger
  • Erik Serrano
  • Mislav Stepinac
  • Vlatka Rajcic
  • Caoimhe O'Neill
  • Daniel McPolin
  • Robert Widmann
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Mechanical Engineering


  • Reinforcement, Steel rod, FRP rod, Design, Application, Adhesive, Eurocode 5, Quality control, Linear elastic fracture mechanics, Non-linear elastic fracture mechanics
Original languageEnglish
Pages (from-to)90-105
JournalConstruction and Building Materials
Publication statusPublished - 2015
Publication categoryResearch