Showing posts with label beams. Show all posts
Showing posts with label beams. Show all posts
Sunday, 7 March 2010
Friday, 5 March 2010
Types of Loads
1- Concentrated load assumed to act at a point and immediately introduce an oversimplification since all practical loading system must be applied over a finite area.
2- Distributed load are assumed to act over part, or all, of the beam and in most cases are assumed to be equally or uniformly distributed.
a- Uniformly distributed load.
a- Uniformly varying load.
2- Distributed load are assumed to act over part, or all, of the beam and in most cases are assumed to be equally or uniformly distributed.
a- Uniformly distributed load.

Types of Beams
1- Cantilever beam: fixed or built-in at one end while it's other end is free.
2- Freely or simply supported beam: the ends of a beam are made to freely rest on supports.
2- Freely or simply supported beam: the ends of a beam are made to freely rest on supports.
3- Built-in or fixed beam: the beam is fixed at both ends.
4- Continuous beam: a beam which is provided with more than two supports.
5- Overhanging beam: a beam which has part of the loaded beam extends outside the supports.

4- Continuous beam: a beam which is provided with more than two supports.
5- Overhanging beam: a beam which has part of the loaded beam extends outside the supports.
Statically Determinate Beams
Cantilever, simply supported, overhanging beams are statically determinate beams as the reactions of these beams at their supports can be determined by the use of equations of static equilibrium and the reactions are independent of the deformation of the beam. There are two unknowns only.
Statically Indeterminate Beams
Fixed and continuous beams are statically indeterminate beams as the reactions at supports cannot be determined by the use of equations of static equilibrium. There are more than two unknown
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