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Threaded steel PSB930-50 bridge high yield strength non longitudinal ribbed steel bars
Threaded steel PSB930-50 bridge high yield strength non longitudinal ribbed steel bars Post-tensioning is a form of prestressing. Prestressing simply means that the steel is stressed (pulled or tensioned) before the concrete has to support the service loads. Most precast, prestressed concrete is actually pre-tensioned-the steel is pulled before the concrete is poured. Post-tensioned concrete means that the concrete is poured and then the tension is applied-but it is still stressed before the...
