A beam 10 meters long 400mm x 600mm in cross section is post tensioned with a tendon 550 sq.mm. in area and stretched to
Posted: Mon May 16, 2022 12:01 pm
A beam 10 meters long 400mm x 600mm in cross section is post tensioned with a tendon 550 sq.mm. in area and stretched to a stress of 660 KN. The tendon passed through a hole 60mm x 70mm. The center of the hole is 75mm from the bottom. The loss of prestress at the time of anchoring is 6%. Find the stress in the concrete immediately after prestressing