Fig. 2From: Modeling life expectancy and cost effectiveness for UHPC bridge retrofitting techniquesSchematic configurations for common closure joints. A post-tensioning, (B) mechanical connectors, (C) ultra-high performance with straight bars, (D) normal-strength concrete with straight bars, (E) normal-strength concrete with headed bars, (F) normal-strength concrete with 180◦ hooked bar, (G) normal-strength concrete with 90◦ hooked barBack to article page