The distributed dead load on this beam, wDL, is k/ft. The combined factored distributed load, wfactored,_________is k/ft. The...
The distributed dead load on this beam, wDL, is k/ft.
The combined factored distributed load, wfactored,_________is k/ft.
The demand moment, Mdemand, is _________k-ft.
The depth of the compression block, a, is________in.
The minimum area of steel, As,req'd, is________in2.
Homework Answers
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The distributed dead load on this beam, wDL,
is k/ft.
The combined factored distributed load,
wfactored,_________is k/ft.
The...
The T-beam shown in Figure 1 supports the un-factored dead load of 1.4 kips/ft and live...
The T-beam shown in Figure 1 supports the un-factored dead load
of 1.4 kips/ft and live load of 1.5 kips/ft. The dead load does not
include the self-weight of the beam. The material properties are as
follows: fc’=3000 psi; fy=60,000 psi. Design the shear
reinforcement (stirrups). Plot the stirrups distribution along the
span of the beam.
DL= 1.4 kips/ft ; L2=1.5 kips/Ft * 75 Sz=7 X * b=3616. hr-6in k ) انا امه hw-lain + * bw=12 in
Consider the beam subjected to a concentrated load consisting of 2.25 kips of dead load and...
Consider the beam subjected to a concentrated load consisting of
2.25 kips of dead load and 5.55 kips of live load at point B. Find
maximum factored beam shear, moment, and deflection.
Consider the beam and loading given below. The beam is subjected to a concentrated load consisting of 2.25 kips of dead load and 5.55 kips of live load at point B. Neglect beam weight. You may use any information from the AISC Manual, a) Draw the general shape...
A rectangular, tension-reinforced beam is to be designed for dead load of 500 Ib/ft plus self...
A rectangular, tension-reinforced beam is to be designed for dead load of 500 Ib/ft plus self weight and service live load of 1200 Ib/ft, with a 22 ft simple span. Material strengths will be fy 60 ksi and J 16 in. Calculate the required beam width and tensile steel requirement, using a reinforcement ratio of 0.60po.o0s. Use ACI load factors and strength reduction factors. The effective depth may be assumed to be 2.5 in. less than the total depth steel...
UDL BB 300mm 200mm 8m ELEVATION SECTION Live Load: WQ = 2kN/m Uniformly Distributed Dead Load:...
UDL BB 300mm 200mm 8m ELEVATION SECTION Live Load: WQ = 2kN/m Uniformly Distributed Dead Load: WG = 11.5kN/m Uniformly Distribted Ultimate Design Load: W* = 16.8kN/m 35mm effective cover 32MPa grade concrete Unit Weight of Concrete = 25kN/m2 Ec = 30,000MPa n = 6.6 Design Bending Moment: M* = 134kN/m Short - Term Bending Moment: M*5 = 103kNm Long-Term Bending Moment: M*sus = 98kNm Direct Tensile Stength: f'ct = 2.0MPa Flexural Tensile Stength: f'ct = 3.4MPa Determine the area...
A rectangular beam that must carry a service live load of 2.47 kips/ft and a calculated...
A rectangular beam that must carry a service live load of 2.47
kips/ft and a calculated dead load of 1.05 kips/ft on an 18 ft
simple span is limited in cross section for architectural reasons
to 10 in. width and 20 in. total depth. If fy=60,000 psi and
fc′=4,000 psi, what steel area(s) must be provided.
A rectangular beam that must carry a service live load of 2.47 kips/ft and a calculated dead load of 1.05 kips/ft on an 18...
The frame below has wind load and dead as shown. Use w(Dead) = 6 kip/ft and...
The frame below has wind load and dead as shown. Use w(Dead) = 6
kip/ft and w(Live) = 3 kip/ft, L = 30 ft and H = 15 ft. The beams
and columns have modulus of elasticity E of 29000 ksi and moment of
inertias I(beam) = 2000 in4 and I(column) = 800
in4. Similarly they have cross-sectional areas A(beam) =
20 in2 and A(column) = 25 in2. Consider that
the wind can act in both horizontal directions.
Determine:
The...
А w18 x 40 steel spandrel (edge) beam spans 20'. The beam supports a uniform floor live load of 1 kip/ft and a uniform floor dead load of 0.5 kip/ft. The beam also supports brick veneer weigh...
А w18 x 40 steel spandrel (edge) beam spans 20'. The beam supports a uniform floor live load of 1 kip/ft and a uniform floor dead load of 0.5 kip/ft. The beam also supports brick veneer weighing .6 kip/ft as a uniform dead load. The maximum allowable total load deflection for beams supporting masonry (brick or block) is L/640. Calculate the live load and total load deflections. Do the live load and total load deflections exceed the allowable deflections for...
A rectangular steel-reinforced concrete beam supports a uniformly distributed load of 875 lb/ft (including the beam...
A rectangular steel-reinforced concrete beam supports a uniformly distributed load of 875 lb/ft (including the beam weight) for a span of 24 ft. The breadth of the beam is 12 in. Concrete with a specified compressive of 3000 lb/sqin and grade 60 steel for tensile and web reinforcement are specified. Four longitudinal tensile bars are to be used. If required, No. 3 stirrups will be used. Determine the minimum effective depth of the beam section (Round to the nearest inch...
The queen-post trussed beam is used to support a uniform load of 4 k/ft. Determine the...
The queen-post trussed beam is used to support a uniform load of 4 k/ft. Determine the force developed in each of the five struts. Neglect the thickness of the beam and assume the truss members are pin connected to the beam. Also, neglect the effect of axial compression and shear in the beam. The cross-sectional area of each strut is 3 in2, and the moment of inertia for the beam is 600 in4. Also, E 29(103) ksi. Prob. 9-36 4...
2. (30 point) w 1.2 for dead load, and 1.6t is used the total factored lood and the reactions that a d 8 ft For the...
2. (30 point) w 1.2 for dead load, and 1.6t is used the total factored lood and the reactions that a d 8 ft For the dead load, assume concrete and a slab that used to tors of l a thst ct o and as in a light storage the 4-inch con16or live load, determine and sketch r-dead load, ang 5 and ABC. The loads should be The steel framework is used to support warehouse. Using the load factors of...
The T-beam shown in Figure 1 supports the un-factored dead load
of 1.4 kips/ft and live load of 1.5 kips/ft. The dead load does not
include the self-weight of the beam. The material properties are as
follows: fc’=3000 psi; fy=60,000 psi. Design the shear
reinforcement (stirrups). Plot the stirrups distribution along the
span of the beam.
DL= 1.4 kips/ft ; L2=1.5 kips/Ft * 75 Sz=7 X * b=3616. hr-6in k ) انا امه hw-lain + * bw=12 in
Consider the beam subjected to a concentrated load consisting of
2.25 kips of dead load and 5.55 kips of live load at point B. Find
maximum factored beam shear, moment, and deflection.
Consider the beam and loading given below. The beam is subjected to a concentrated load consisting of 2.25 kips of dead load and 5.55 kips of live load at point B. Neglect beam weight. You may use any information from the AISC Manual, a) Draw the general shape...
A rectangular, tension-reinforced beam is to be designed for dead load of 500 Ib/ft plus self weight and service live load of 1200 Ib/ft, with a 22 ft simple span. Material strengths will be fy 60 ksi and J 16 in. Calculate the required beam width and tensile steel requirement, using a reinforcement ratio of 0.60po.o0s. Use ACI load factors and strength reduction factors. The effective depth may be assumed to be 2.5 in. less than the total depth steel...
UDL BB 300mm 200mm 8m ELEVATION SECTION Live Load: WQ = 2kN/m Uniformly Distributed Dead Load: WG = 11.5kN/m Uniformly Distribted Ultimate Design Load: W* = 16.8kN/m 35mm effective cover 32MPa grade concrete Unit Weight of Concrete = 25kN/m2 Ec = 30,000MPa n = 6.6 Design Bending Moment: M* = 134kN/m Short - Term Bending Moment: M*5 = 103kNm Long-Term Bending Moment: M*sus = 98kNm Direct Tensile Stength: f'ct = 2.0MPa Flexural Tensile Stength: f'ct = 3.4MPa Determine the area...
A rectangular beam that must carry a service live load of 2.47
kips/ft and a calculated dead load of 1.05 kips/ft on an 18 ft
simple span is limited in cross section for architectural reasons
to 10 in. width and 20 in. total depth. If fy=60,000 psi and
fc′=4,000 psi, what steel area(s) must be provided.
A rectangular beam that must carry a service live load of 2.47 kips/ft and a calculated dead load of 1.05 kips/ft on an 18...
The frame below has wind load and dead as shown. Use w(Dead) = 6
kip/ft and w(Live) = 3 kip/ft, L = 30 ft and H = 15 ft. The beams
and columns have modulus of elasticity E of 29000 ksi and moment of
inertias I(beam) = 2000 in4 and I(column) = 800
in4. Similarly they have cross-sectional areas A(beam) =
20 in2 and A(column) = 25 in2. Consider that
the wind can act in both horizontal directions.
Determine:
The...
А w18 x 40 steel spandrel (edge) beam spans 20'. The beam supports a uniform floor live load of 1 kip/ft and a uniform floor dead load of 0.5 kip/ft. The beam also supports brick veneer weighing .6 kip/ft as a uniform dead load. The maximum allowable total load deflection for beams supporting masonry (brick or block) is L/640. Calculate the live load and total load deflections. Do the live load and total load deflections exceed the allowable deflections for...
The queen-post trussed beam is used to support a uniform load of 4 k/ft. Determine the force developed in each of the five struts. Neglect the thickness of the beam and assume the truss members are pin connected to the beam. Also, neglect the effect of axial compression and shear in the beam. The cross-sectional area of each strut is 3 in2, and the moment of inertia for the beam is 600 in4. Also, E 29(103) ksi. Prob. 9-36 4...
2. (30 point) w 1.2 for dead load, and 1.6t is used the total factored lood and the reactions that a d 8 ft For the dead load, assume concrete and a slab that used to tors of l a thst ct o and as in a light storage the 4-inch con16or live load, determine and sketch r-dead load, ang 5 and ABC. The loads should be The steel framework is used to support warehouse. Using the load factors of...
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