What is the L D ratio of a cantilever beam?

What is the L D ratio of a cantilever beam?

In case of limit state of serviceability, excessive deflection of structural elements are contained by limiting the “l/d” ratio. That is the ratio of effective length to effective depth of the member. IS 456: 2000 prescribed a limiting value of ‘l/d’=7, for cantilever beams for spans up to 10m.

What is simply supported slab?

A simply supported slab is one type of slab with its ends simply supported on two walls or beams free to bend at the ends without any restraint unlike a fixed beam. This has only one span. All the spans may be equal or unequal span. Thus if the number of supports are n, then the number of spans would be (n-1).

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What is simply supported two way slab?

Two-way slabs are surface members acting in a both directions. They are supported on all four sides. The ratio of length to width of one slab should less than 2 otherwise one-way action is obtained, even though supports are provided on all sides.

What is the span to depth ratio for a cantilever slab?

The span to depth ratio for a cantilever slab should not exceed 7. Also maximum size of cantilever provided should be 10m i.e ;length of the cantilever should not be more than 10 meters. ref: IS 456:2000, art 23.2.1.

What is the “L/D” ratio for cantilever beams?

In case of limit state of serviceability, excessive deflection of structural elements are contained by limiting the “l/d” ratio. That is the ratio of effective length to effective depth of the member. IS 456: 2000 prescribed a limiting value of ‘l/d’=7, for cantilever beams for spans up to 10m.

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What is the L/B ratio of supported slabs?

L/B ratio is equal to or greater than 2. Simply supported slabs don’t give adequate provision to resist torsion at corner to prevent corner from lifting. The maximum bending moment will be given if the slabs are restrained.

What is the L/D ratio for spans upto 10 m?

L/D Ratio for spans upto 10 m For cantileveelr beam = 7 SSB = 20 Continuous beam = 26 For spans > 10 m For SSB = (10/span)*20 For cantinuous beam =(10/span)*26