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Title: Design of precast prestressed SFRC T-girders for accelerated sustainable bridge construction

Author(s): Massicotte, B.; Cordoni, N.

Publication: Symposium Paper

Volume: 343


Appears on pages(s): 195-204

Keywords: Precast; Prestressing; SFRC; Bridges; Accelerated Bridge Construction; Sustainability https://

Date: 10/1/2020

Accelerated bridge construction is becoming a subject of major importance and, combined use of steel fibre reinforced concrete (SFRC) and prestressing, this construction technique offers a unique opportunity to fulfill the demand of more sustainable infrastructure with enhanced durability and life-cycle cost reduction. Research projects carried out at Polytechnique Montreal in the past 20 years have demonstrated that the combined use of prestressing, SFRC, prefabrication and ultra-high performance fibre reinforced concrete (UHPFRC) allows developing more economical and durable bridges. A project on precast Tgirders was initiated with the aim of developing a new set of prestressed girders for new bridges in the 10 to 30 m span range using conventional prestressing and shear reinforcement, reduced top flange transverse reinforcement and field-cast UHPFC longitudinal joints between girders. It is anticipated that bridge built with this concept will only require minimum maintenance over a 75-year service life in harsh environmental conditions.


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