A sidesway frame ACDB, has pinned supports at A and B and are fixed at joint D and C as shown in Figure 1. 20kN/m 80KN 35° D 4.5m 21 21 В 4m Figure 1: Sidesway Frame (a) Using the slope deflection method, compute the end moments and visualize the bending moment diagram. The beam has constant E/I for all the spans. (b) If Support B changes to fixed support, what changes in the solutions? Express with calculation. (c) If Support A settles as much as 10 mm, what changes in the solutions? Express with calculation.
A sidesway frame ACDB, has pinned supports at A and B and are fixed at joint D and C as shown in Figure 1. 20kN/m 80KN 35° D 4.5m 21 21 В 4m Figure 1: Sidesway Frame (a) Using the slope deflection method, compute the end moments and visualize the bending moment diagram. The beam has constant E/I for all the spans. (b) If Support B changes to fixed support, what changes in the solutions? Express with calculation. (c) If Support A settles as much as 10 mm, what changes in the solutions? Express with calculation.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A sidesway frame ACDB, has pinned supports at 4 and B and are fixed at joint D and C as
shown in Figure 1.
20kN/m
80KN
35°
D
4.5m
21
21
В
4m
Figure 1: Sidesway Frame
(a)
Using the slope deflection method, compute the end moments and visualize the bending
moment diagram. The beam has constant E/I for all the spans.
(b)
If Support B changes to fixed support, what changes in the solutions? Express with
calculation.
(c)
If Support A settles as much as 10 mm, what changes in the solutions? Express with
calculation.
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