Civil Girder vs PEB Girder

• Pre Cast Stay in place slab increases dead load.
• Otherwise shuttering and shoring is required on prolong site activity.

• Metal Deck reduces dead load.
• No shoring or shuttering is required.

• PSC Girders are heavier than composite I-girders.
• Example: for 30 m span single girder weighs 75 MT.
• Requires high capacity crane.
• Requires large erection space.
• Requires large yard at site.
• Transportation is costly.

• Only 16-18 MT weight of one girder as compared to PSC Girders.
• Requires low capacity crane.
• Requires less erection space.
• Requires being prepared at shop.
• Less costly due to lesser weights than PSC Girder Bridges.

• Needs elaborate arrangement.
• Skilled staff and equipment is required.
• Additional time is required for pre-stressed adjustment.

• Not necessary at all.

• Heavier vertical and seismic load at bearings due to Superstructure Dead weight component, resulting heavier size.
• Replacement required for heavier jacks.

• About 40% less load on bearings, resulting lower size bearings.
• Replacement required for low capacity jacks.
• Additional time is required for pre-stressed adjustment.

Heavier vertical and seismic load at bearings due to superstructure dead weight component, resulting heavier size.

About 40% less load on bearings, resulting lighter size.