P.6.4 In the three-pinned arch ACB shown in Fig. P.6.4 the portion AC has the shape of a parabola with its origin at C, while CB is straight. The portion AC carries a uniform horizontally distributed load of intensity 30 kN/m, while the portion CB carries a uniform horizontally distributed load of intensity 18 kN/m. Calculate the normal force, shear force and bending moment at the point D. Ans. 91-2 kN (compression), 8-9 kN, 210-0 kN m (sagging).

P.6.4 In the three-pinned arch ACB shown in Fig. P.6.4 the portion AC has the shape of a parabola with its origin at C, while CB is straight. The portion AC carries a uniform horizontally distributed load of intensity 30 kN/m, while the portion CB carries a uniform horizontally distributed load of intensity 18 kN/m. Calculate the normal force, shear force and bending moment at the point D. Ans. 91-2 kN (compression), 8-9 kN, 210-0 kN m (sagging).

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

P.6.4 In the three-pinned arch ACB shown in Fig. P.6.4 the portion AC has the
shape of a parabola with its origin at C, while CB is straight. The portion AC carries
a uniform horizontally distributed load of intensity 30 kN/m, while the portion CB
carries a uniform horizontally distributed load of intensity 18 kN/m. Calculate the
normal force, shear force and bending moment at the point D.
Ans. 91-2 kN (compression), 8-9 kN, 210-0 kN m (sagging).
30 kN/m
18 kN/m
5 m
A
B
4 m
9 m
3 m
Fig. P.6.4

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