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 11
Indeterminate Structures
11.1 Introduction
A statically indeterminate structure has the following benefits when compared with a determinate structure:
- The continuity of the indeterminate structure greatly reduces the bending moments and deflections leading to economic design.
- Indeterminate structure offers better resistance to horizontal forces developed by wind, blast or earthquake.
- Tensioning of cables over several supports in a continuous member greatly reduce the number of expensive anchorages and the labour cost involved during the prestressing operation.
- Due to the presence of multiple load paths, failure of one member (or section) does not result in the collapse of the entire structure.
- Due to redistribution of moments, ...
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