May 2013
Beginner to intermediate
324 pages
7h 2m
English
Content preview from Prestressed Concrete Design, 1/eBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 12
Slabs
12.1 Introduction
Prestressed concrete slabs are widely used as floors in structures like warehouses, shopping centres, offices, apartments etc. The deflection of the slab which governs the thickness is better controlled in prestressed concrete slabs. By properly choosing the amount of prestress, the designer can in fact eliminate deflection. Thus more slender and crack-free slab systems are possible by using prestressed concrete.
For design purposes, it is necessary to distinguish slabs as one-way slabs and two-way slabs. A one-way slab acts like a wide beam with predominant bending in one direction. Hence in these slabs, the main reinforcement is placed in this direction and secondary reinforcement is provided in the other ...
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