PROB. 14 15. A temporary wood flume serving as a channel for irrigation water is shown in the figure. The vertical boards forming the sides of the flume are sunk in the ground, which provides a fixed support. The top of the flume is held by tie rods that are tightened so that there is no deflection of the boards at that point. Thus, the vertical boards may be modeled as a beam AB, supported and loaded as shown in the last part of the figure. Assuming that the thickness t of the boards is 40 mm, the depth d of the water is 1 m, and the height h to the tie rods is 1.3 m, what is the maximum bending stress o in the boards? (Hint: The numerically largest bending moment occurs at the fixed support.) t%3D40 mm d = 1 m h = 1.3 m PROB. 15

Structural Analysis
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Chapter2: Loads On Structures
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PROB. 14
15. A temporary wood flume serving as a channel for irrigation water is shown in the figure. The vertical boards
forming the sides of the flume are sunk in the ground, which provides a fixed support. The top of the flume is held by
tie rods that are tightened so that there is no deflection of the boards at that point. Thus, the vertical boards may be
modeled as a beam AB, supported and loaded as shown in the last part of the figure.
Assuming that the thickness t of the boards is 40 mm, the depth d of the water is 1 m, and the height h to the
tie rods is 1.3 m, what is the maximum bending stress o in the boards? (Hint: The numerically largest bending
moment occurs at the fixed support.)
t= 40 mm
В
h =
1.3 m
d =
1 m
PROB. 15
Transcribed Image Text:AB PROB. 14 15. A temporary wood flume serving as a channel for irrigation water is shown in the figure. The vertical boards forming the sides of the flume are sunk in the ground, which provides a fixed support. The top of the flume is held by tie rods that are tightened so that there is no deflection of the boards at that point. Thus, the vertical boards may be modeled as a beam AB, supported and loaded as shown in the last part of the figure. Assuming that the thickness t of the boards is 40 mm, the depth d of the water is 1 m, and the height h to the tie rods is 1.3 m, what is the maximum bending stress o in the boards? (Hint: The numerically largest bending moment occurs at the fixed support.) t= 40 mm В h = 1.3 m d = 1 m PROB. 15
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