Open AccessCalculation of the prestressing force in the design of reinforced concrete structures strengthened by means of external reinforcement with prestress
Author(s) -
A. D. Denisova
Publication year - 2020
Publication title -
vestnik graždanskih inženerov
Language(s) - English
Resource type - Journals
ISSN - 1999-5571
DOI - 10.23968/1999-5571-2020-17-5-59-65
Subject(s) - reinforcement , fibre reinforced plastic , structural engineering , materials science , reinforced concrete , prestressed concrete , composite material , engineering
The article provides general information on external reinforcement systems with the use of fiber reinforced polymers (FRP) with prestressing for strengthening of reinforced concrete structures. A classification of existing systems is submitted. The author has performed calculation of the prestressing force taking into account all prestress losses for an externally strengthened reinforced concrete element. Herewith, there were applied steel plates, FRP laminates, based on the methodology set out in SP 63.13330, taking into account the properties of each of the prestressed materials and different levels of initial prestressing.