Question

In: Mechanical Engineering

Discuss the sensitivity of modulus to shear correction factor and span to depth ratio in a...

Discuss the sensitivity of modulus to shear correction factor and span to depth ratio in a short beam shear and flexure lab

Solutions

Expert Solution

The sensitivity of modulus to shear correction factor and span to depth ratio in a short beam shear are of great importance. The multilayered plate and shell finite element usually have a constant shear distribution across the thickness. This causes a decrease of accuracy, especially for a sandwich structure. This problem is overcome by using modulus and shear correction factors which are defined by energy consideration.

The behaviour of beam usually depends on its depth. A beam is considered as deep, if the depth span ratio is 0.5 or more. The appropriate span depth ratio is selected depending on end or edge conditions, steel and concrete stress and on whether a beam or slab is being designed. This approach gives satisfactory results in most cases. The span to depth ratio for some beams is as

Cantilever-7

Simply supported- 20

Continuous- 26.


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