H.W 1A beam is subjected to equal bending moments of M, = 45 kip ft, as shown in Figure 1 a. sions (Figure 1b) 6.0 in., bz = 3.0 in., and da = 2.0 in. Determine The cross-sectional dimen- are bi = 7.5 in., d = 1.5 in., b2 = 0.75 in., d2 = M. d (a) the centroid location, the moment of inertia about the z axis, and the controlling section modulus about the z axis. (b) the bending stress at point H. State whether the normal stress at H is tension or compression. (c) the bending stress at point K. State whether the normal stress at K is tension or compression. (d) the maximum bending stress produced in the cross section. State whether the stress is tension or compression. b2 M. FIGURE 1. a FIGURE 1.b
H.W 1A beam is subjected to equal bending moments of M, = 45 kip ft, as shown in Figure 1 a. sions (Figure 1b) 6.0 in., bz = 3.0 in., and da = 2.0 in. Determine The cross-sectional dimen- are bi = 7.5 in., d = 1.5 in., b2 = 0.75 in., d2 = M. d (a) the centroid location, the moment of inertia about the z axis, and the controlling section modulus about the z axis. (b) the bending stress at point H. State whether the normal stress at H is tension or compression. (c) the bending stress at point K. State whether the normal stress at K is tension or compression. (d) the maximum bending stress produced in the cross section. State whether the stress is tension or compression. b2 M. FIGURE 1. a FIGURE 1.b
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![H.W 1 A beam is subjected to equal bending moments of M, =
45 kip- ft, as shown in Figure 1 a.
sions (Figure 1b)
6.0 in., bz = 3.0 in., and dz = 2.0 in. Determine
The cross-sectional dimen-
are b1 = 7.5 in., d = 1.5 in., b2 = 0.75 in., dz =
K
(a) the centroid location, the moment of inertia about the z axis,
M.
dz
b,
and the controlling section modulus about the z axis.
(b) the bending stress at point H. State whether the normal stress
at H is tension or compression.
(c) the bending stress at point K. State whether the normal stress
at K is tension or compression.
(d) the maximum bending stress produced in the cross section.
State whether the stress is tension or compression.
M.
dz
ba
FIGURE 1.a
FIGURE 1.b](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F827e6306-dc40-4261-a507-f33727c33fa4%2F10e2b599-237b-4607-abe0-d30ab1733af1%2Fvn30m6s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:H.W 1 A beam is subjected to equal bending moments of M, =
45 kip- ft, as shown in Figure 1 a.
sions (Figure 1b)
6.0 in., bz = 3.0 in., and dz = 2.0 in. Determine
The cross-sectional dimen-
are b1 = 7.5 in., d = 1.5 in., b2 = 0.75 in., dz =
K
(a) the centroid location, the moment of inertia about the z axis,
M.
dz
b,
and the controlling section modulus about the z axis.
(b) the bending stress at point H. State whether the normal stress
at H is tension or compression.
(c) the bending stress at point K. State whether the normal stress
at K is tension or compression.
(d) the maximum bending stress produced in the cross section.
State whether the stress is tension or compression.
M.
dz
ba
FIGURE 1.a
FIGURE 1.b
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