The
dimensions for the W 21x62 beam cross section (shown below) are in
inches: tf = .615, tw = .4, bf =
8.24, d = 21. What is the maximum transverse shear stress on the
beam cross section if the shear force acting on it is 5.2 kip?
The dimensions for the W 21x62 beam cross section (shown below) are in inches: tf =...
The dimensions for the W 21x62 beam cross section (shown below)
are in inches: tf = .615, tw = .4,
bf = 8.24, d = 21. What is the maximum transverse shear
stress on the beam cross section if the shear force acting on it is
5.2 kip?
0.706 ksi
0.25 ksi
0.365 ksi
1.023 ksi
Point E у tw 15 kips 1 bf Point F
The dimensions for the W 21x62
beam cross section (shown below) are in inches: tf =
.615, tw = .4, bf = 8.24, d = 21. Point
E located on the top surface. What is the bending stress
at point E if the internal moment acting on the cross section is
136.4 kip.ft.
Point E у tw 15 kips 1 bf Point F
The dimensions for the W 21x62
beam cross section (shown below) are in inches: tf =
.615, tw = .4, bf = 8.24, d = 21. What is the
moment of inertial I about the neutral axis?
Point E у tw 15 kips 1 bf Point F
The steel beam has the cross section shown. The beam length is L = 24 ft, and the cross-sectional dimensions are d = 18.6 in., bf = 9.1 in., tf = 0.615 in., and tw 0.305 in. Calculate the maximum bending stress in the beam if wo = 7.5 kips/ft. у В Answer: omax ksi = the tolerance is +/-2%
A beam is loaded by a shear force V. The beam cross-section is
shown below. The moment of inertia of the cross-section is 347.1
in4. The centroid of the cross-section is 6.25 inches
from the base. Determine:
a) the shear stress at point A.
b) the shear stress at point B.
c) the maximum shear stress in the cross-section.
V = 50 (kips)
The maximum shear stress at point A is _____(ksi)
The maximum shear stress at point B is...
The cantilever beam is subjected to a concentrated load of
P = 29 kips. The cross-sectional dimensions of the
wide-flange shape are shown in the second figure. Assume
yH=3.4 in., yK=1.6 in.,
d=10.6 in., tw=0.323 in.,
tf=0.507 in., bf=6.12 in.
Determine:
The cantilever beam is subjected to a concentrated load of P 29 kips. The cross-sectional dimensions of the wide-flange shape are shown in the second figure. Assume y,-3.4 in., Ук_ 1.6 in., d-10.6 in., t,-0.323 in., tf-0.507 in., bf-6.12...
The internal shear force at a certain section of a steel beam is
V=185 kN. The beam cross section shown in the figure has dimensions
of tf=17 mm, bf=300 mm, d=394 mm, and tw=10 mm. Determine:
(a) the shear stress at point A, which is located at
yA=71 mm below the centroid of the wide-flange shape.
(b) the maximum horizontal shear stress in the wide-flange
shape.
The internal shear force at a certain section of a steel beam is V=...
The cantilever beam is
subjected to a concentrated load of P = 52 kips. The
cross-sectional dimensions of the wide-flange shape are shown in
the second figure. Assume yH = 3.2 in.,
yK = 1.8 in., d = 10.8 in.,
tw = 0.354 in., tf = 0.414
in., bf = 6.62 in. Determine:
(a) the shear stress τH at point H, which is located 3.2
in. below the centroid of the wide-flange shape.
(b) the maximum horizontal shear stress τmax...
For the beam cross-section shown below and for an internal shear force Va150 kips and internal bending moment M 1,400 kip-in: opiem 3 3.1) Calculate the moment of inertia of the beam about the x-axis. 3.2) Calculate the maximum bending st 10 Points ress in the section. Indicate on the section where the maximum stress occurs. Points 3.3) Calculate the average shear stress over the cross-section
Class Activity Consider an unreinforced concrete beam cross section with the dimensions (in inches) shown in the figure. The comcrete is sormal-weight with 6000 psi145Ib/f The section is subjected to a positive beading moment of 500 kip-ft about its horizontal axis causing compression and tension on the faces as shown. Assume the section remains elastic under this moment 15 Tension 20 Determine centroid of the section from the compression face. Answer: c-7.622 in (A) Determine moment of inertia of the...