1. A method of reinforcing concrete by applying tension to steel cables or tendons after the concrete has hardened, used to increase structural strength and reduce cracking.
Usage: technical; construction/engineering

1. To apply posttension to concrete; to reinforce concrete using the posttension method.
Usage: technical; construction/engineering

Examples

• The bridge was designed using posttension to handle heavy traffic loads.
• Engineers decided to posttension the concrete deck to improve its durability.
• Posttension allows for longer spans in concrete structures with less material.
• The contractor will posttension the cables after the concrete cures for seven days.
• Modern parking garages often use posttension to reduce the thickness of floor slabs.