A shop crane consists of a boom AC that is supported by a pin at A and by a rectangular tension bar BD, as shown in Fig. 1.1. Details of the pin joints at A and B are shown in Views a-a and b- b, respectively. The tension bar BD has a width w = 1.5 in. and a thickness t = 0.5 in. If the vertical load at C is P = 5 kips, then determine the following: 1. What is the calculated normal stress ? in the bar BD. 2. Determine the calculated shear stress? at pins A, B, and D. Assume that the pins are 3/4" in diameter. 4 ft Ja 6 ft 5 P=5 kips View b-b View a-a Figure 1.1 Shop Crane
A shop crane consists of a boom AC that is supported by a pin at A and by a rectangular tension bar BD, as shown in Fig. 1.1. Details of the pin joints at A and B are shown in Views a-a and b- b, respectively. The tension bar BD has a width w = 1.5 in. and a thickness t = 0.5 in. If the vertical load at C is P = 5 kips, then determine the following: 1. What is the calculated normal stress ? in the bar BD. 2. Determine the calculated shear stress? at pins A, B, and D. Assume that the pins are 3/4" in diameter. 4 ft Ja 6 ft 5 P=5 kips View b-b View a-a Figure 1.1 Shop Crane
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A shop crane consists of a boom AC that is supported
by a pin at A and by a rectangular tension bar BD, as
shown in Fig. 1.1. Details of the pin joints at A and B
are shown in Views a-a and b- b, respectively. The
tension bar BD has a width w = 1.5 in. and a thickness
t = 0.5 in. If the vertical load at C is P = 5 kips, then
determine the following:
1. What is the calculated normal stress? in the bar
BD.
2. Determine the calculated shear stress ? at pins A,
B, and D. Assume that the pins are 3/4" in diameter.
D
4 ft
Ja
6 ft
5 P=5 kips
View b-b
View a-a
Figure 1.1 Shop Crane
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