Civil Engineering - Strength of Materials - Discussion
Discussion Forum : Strength of Materials - Section 1 (Q.No. 38)
38.
A simply supported beam carrying a uniformly distributed load over its whole span, is propped at the centre of the span so that the beam is held to the level of the end supports. The reaction of the prop will be
Discussion:
13 comments Page 2 of 2.
HASIM ANSARY said:
8 years ago
Superb @Amro.
Mahesh said:
8 years ago
Superb explanation, thanks @Amro.
Amro said:
9 years ago
The beam held to the level of end means deflection equals to zero @ med span.
Deflection from distributed load = 5wl^4/384EI (EQ: 1).
Deflection from PROP load = PL^3/48EI (EQ: 2).
From eq1 & eq2.
5wl^4/384EI = PL^3/48EI.
P = 5wl/8.
Deflection from distributed load = 5wl^4/384EI (EQ: 1).
Deflection from PROP load = PL^3/48EI (EQ: 2).
From eq1 & eq2.
5wl^4/384EI = PL^3/48EI.
P = 5wl/8.
(5)
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