Section modulus
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In structural engineering, the section modulus of a beam is the ratio of a cross section's second moment of area to its greatest distance from the neutral axis.
The section modulus is directly related to the strength of a corresponding beam. It is expressed in units of volume, e.g., mm3.
[edit] References
- http://www.answers.com/topic/section-modulus?cat=technology
- http://www.groupsrv.com/science/post-865320.html
- http://books.google.com/books?id=Xfx-DoT3YhMC&pg=PT83&lpg=PT83&dq=section+modulus+sx&source=web&ots=8vkWVNQDJp&sig=mz_0j1lguj4J-pBgrP2J5m0p5Ms#PPT83,M1
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