case A Figure 31: Simple triangulation of a frame case B D

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

Compare the frame design in Figure 31 with the one in Figure 32.

(a) Can you use steel cables instead of beams for the braces in both of these frame designs? Explain your answer.

Another
way to
prevent a frame from skewing is to triangulate it twice, to make
a cross. One brace goes from the top left to the bottom right of the rectangle. The
other brace goes from the top right to the bottom left of the rectangle.
区区
case A
case B
Figure 32: Cross-bracing a frame
This is called cross-bracing. It is a special kind of triangulation. With cross-bracing,
the frame does not skew when forces are applied as in case A or case B.
Transcribed Image Text:Another way to prevent a frame from skewing is to triangulate it twice, to make a cross. One brace goes from the top left to the bottom right of the rectangle. The other brace goes from the top right to the bottom left of the rectangle. 区区 case A case B Figure 32: Cross-bracing a frame This is called cross-bracing. It is a special kind of triangulation. With cross-bracing, the frame does not skew when forces are applied as in case A or case B.
case A
case B
Figure 31: Simple triangulation of a frame
Transcribed Image Text:case A case B Figure 31: Simple triangulation of a frame
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