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Deflection tests were conducted on a steel joist and a timber joist both simply supported over...

Deflection tests were conducted on a steel joist and a timber joist both simply supported over a span of 5 m and carrying a point load of 45 kN at distance of ‘a’ from left support. Maximum deflection was observed at a position 2.4 m from the left support for steel joist and 1.85 m from the left support for steel joist. Calculate and compare the results for maximum deflection, slope at both ends and deflection under the load for both steel and timber joists. Take Flexural rigidity for steel joist as 14 x 1012 Nmm2 and the Flexural rigidity for timber joist as 6.9 x 1012 Nmm2. Suggest the changes to be made in the dimensions of the beam for reducing the deflection based on the
results obtained.

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