BONDED & UNBONDED POST-TENSIONING SYSTEM FOR THE BUILDING FLOOR SYSTEM

CIVIL

The Principal design objectives for structural engineers are safety, functionality, economy and now a day’s legality of design. When selecting a structural building system, it is important for the engineers and architects to understand the appropriate application of post-tensioned concrete and the effects that may result. If properly analyzed and assembled, concrete structures from high quality materials can provide a superior combination of durability, sound control and fire safety needed in today's building market. Considering above factors post tensioning floor systems has been considered for the present study. Prestressing of concrete is defined as the application of compressive stresses to concrete members. There are two types of prestressing named pre-tensioning and post-tensioning. Post tensioning has many reason which increases the use of the post-tensioning, such as increased span to depth ratio resulting in a reduction in construction materials and a subsequent reduction in overall cost, positive deflection control, design flexibility, minimum construction joints, improve durability and increase span length.

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