Pre Tensioning
#1

Pre Tensioning

Pre-tensioned concrete is almost always done in a precast plant. A pre- tensioned Prestressed concrete member is cast in a preformed casting bed. The BONDED wires (tendons) are tensioned prior to the concrete hardening. After the concrete hardens to approximately 75% of the specified compressive strength f’c, the tendons are released and axial compressive load is then transmitted to the cross-section of the member.

[Image: prestress.png]
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