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 3
Limit State Design
3.1 Introduction
The basic design requirements of structures are that they should be safe from collapse, serviceable during their design life and should be economic.
In the beginning, design Codes for concrete structures were based on Working Stress Method (WSM) in which safety is ensured by restricting the stresses in materials caused due to service or working loads (i.e., the loads acting on the structure during its normal use). The permissible or working stresses in materials are obtained by dividing the material strength by the factor of safety. Since the permissible stresses of the materials are very small compared to their material strength, in WSM, the materials are assumed to be linearly elastic.
Though ...
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