1) Find minimum depth. Assuming it does not support partitions likely to be damaged.
2) If the beam were to fail in bond, the cracks (relative to the plane defined by the longitudinal steel) will most likely be:
A. Vertical
B. Horizontal
C. Combination of vertical and horizontal
D. Inclined
E. None of the above
3) Find the spacing of the #3 U stirrups corresponding to a design shear of 100 k
Homework Answers
Add Answer to:
1) Find minimum depth. Assuming it does not support partitions
likely to be damaged.
2) If...
1) The strain in the steel at failure is most nearly: A. 0.002 B. 0.005 C....
1) The strain in the steel at failure is most
nearly:
A. 0.002
B. 0.005
C. 0.018
D. 0.023
E. 0.003
2) Find the development length of the # 8 bar in tension.
A 12 ft cantilever beam 21 in. wide x 30 in, deep is reinforced by four # 8 bars as shown. Given fc 4000 psi and fy 60,000 psi. 3 in. is the cover to the center of the # 8 bar 21" #8 bars are spaced...
1) Assuming Mcr = 125 k-ft, Ig = 47,250 in4 , Icr = 24,000 in3 , the moment of inertia for calculating a deflection cor...
1) Assuming Mcr = 125 k-ft, Ig = 47,250 in4 , Icr = 24,000 in3 ,
the moment of inertia for calculating a deflection corresponding to
Ma = 200 k-ft, is most nearly:
A. 47,250 in4
B. 24, 000 in4
C. 30,000 in 4
D. 38,500 in 4
E. Other (specify) (g)
2) Assuming ΔD = 0.5 in.; ΔLL = 0.3 in., and ξ = 1.5, the total
deflection of the beam is most nearly:
A. 0.8 in
B. 1.3...
1. A rectangular beam with b 16 in., d-17 in., and h 20 in. has a clear span of 24 ft. as shown b...
1. A rectangular beam with b 16 in., d-17 in., and h 20 in. has a clear span of 24 ft. as shown below. The beam has 1 ft. of bearing at each end, so for analysis purposes it is treated as a 25 ft. simple span (to center of bearing at each end). The beam supports an unfactored concentrated live load of P-65 kips. The beam is reinforced with 6-#10 longitudinal bars and #4 stirrups. Material strengths are fc-4,000,...
HELP! Problem 6 Development Length (30 pts.) The required reinforcement steel area "As" for the lightweight reinforced concrete beam of figure 3 is 2.88 si. The No. 8 top bars are uncoated. C...
HELP!
Problem 6 Development Length (30 pts.) The required reinforcement steel area "As" for the lightweight reinforced concrete beam of figure 3 is 2.88 si. The No. 8 top bars are uncoated. Compute the development length (d), İffy 60,000 psi and fc 3.500 psi. a) Use the simplified equation Table 8-1) b) Use the ACI Equation 25.4.2.3a (Equation 8-10) c) Use the ACI Equation 25.4.2.3a with Ktr 0 (Equation 8-10) 18 3" 3@4 123 3" 448 bars 3.14 in2 26...
1. T-Beams are used to support a floor in an industrial building. The floor is used...
1. T-Beams are used to support a floor in an industrial building. The floor is used for product storage so it must be designed for a heavy 600 psf. The floor must also support a superimposed dead load of 20 psf (in addition to the self-weight of the beams and slab. The layout of the beams and slabs is shown below. The beams span 30.0% and are spaced at 4.0” center to center. The slab is 3” thick. The concrete...
Reinforced Concrete Design Please answer it with good write . Problem 1: The reinforced concrete cantilever beam shown is subjected to a concentrated load P- 2 kips, at its free end. Determine th...
Reinforced Concrete Design
Please answer it with good write .
Problem 1: The reinforced concrete cantilever beam shown is subjected to a concentrated load P- 2 kips, at its free end. Determine the development length of the shown bars using the detailed and simplified methods for the following cases: a) straight bars b) 90 hooks c )180, hooks The column width is 22 inches. Concrete cover is measured from the concrete surface to the center of the reinforcement. fc 4...
Problem 1. (40 pts) Here is a design for a beam as shown in Figs Check...
Problem 1. (40 pts) Here is a design for a beam as shown in Figs Check if this section can resist the following loading conditions in the beam according to ACI-318. Use fc -4000 psi and fy - 60,000 psi. Assume that the clear cover is 1.5" (typical) for all and the vertical spacing between #8 bars is 1 inch. Both End (L Center (L2) #8 bars #8 Stirrup #3@ 8" 8#8 bars 20 in Stirrup: 6# 8 bars Pu=15...
Please answer question 1 thank you Reinforced Concrete HW 18%20(2).pdf CEE433- Homework Assignment 9 Assigned: 12...
Please answer question 1 thank you
Reinforced Concrete HW
18%20(2).pdf CEE433- Homework Assignment 9 Assigned: 12 April 2018 Due: 19 April 2018 1. Design the shear reinforcement (vertical stirrups) for the beam shown in the figure. Design stirrups based on the shear envelope using the approximate procedure discussed in class. Note that for the overhangs the maximum shear at the support is induced by placing dead and live loads throughout the cantilever portion. Satisfy all strength and spacing requirements specified...
Please answer question 1 thank you Reinforced Concrete HW 18%20(2).pdf CEE433- Homework Assignment 9 Assigned: 12...
Please answer question 1 thank you
Reinforced Concrete HW
18%20(2).pdf CEE433- Homework Assignment 9 Assigned: 12 April 2018 Due: 19 April 2018 1. Design the shear reinforcement (vertical stirrups) for the beam shown in the figure. Design stirrups based on the shear envelope using the approximate procedure discussed in class. Note that for the overhangs the maximum shear at the support is induced by placing dead and live loads throughout the cantilever portion. Satisfy all strength and spacing requirements specified...
Can you do #2 please 1. For the beam section presented here below, calculate the reduced...
Can you do #2 please
1. For the beam section presented here below, calculate the reduced nominal moment capacity O M and corresponding ultimate curvature 0u. The beam section is made of concrete with a compressive strength, fe 4,000 psi and reinforcement with a yield strength of fy 60 ksi. The beam has 4 No. 9 bars in tension side and the following number of bars are provided at the compression side of the beam section: 15" (a) A, (b)...
1) The strain in the steel at failure is most
nearly:
A. 0.002
B. 0.005
C. 0.018
D. 0.023
E. 0.003
2) Find the development length of the # 8 bar in tension.
A 12 ft cantilever beam 21 in. wide x 30 in, deep is reinforced by four # 8 bars as shown. Given fc 4000 psi and fy 60,000 psi. 3 in. is the cover to the center of the # 8 bar 21" #8 bars are spaced...
1) Assuming Mcr = 125 k-ft, Ig = 47,250 in4 , Icr = 24,000 in3 ,
the moment of inertia for calculating a deflection corresponding to
Ma = 200 k-ft, is most nearly:
A. 47,250 in4
B. 24, 000 in4
C. 30,000 in 4
D. 38,500 in 4
E. Other (specify) (g)
2) Assuming ΔD = 0.5 in.; ΔLL = 0.3 in., and ξ = 1.5, the total
deflection of the beam is most nearly:
A. 0.8 in
B. 1.3...
1. A rectangular beam with b 16 in., d-17 in., and h 20 in. has a clear span of 24 ft. as shown below. The beam has 1 ft. of bearing at each end, so for analysis purposes it is treated as a 25 ft. simple span (to center of bearing at each end). The beam supports an unfactored concentrated live load of P-65 kips. The beam is reinforced with 6-#10 longitudinal bars and #4 stirrups. Material strengths are fc-4,000,...
HELP!
Problem 6 Development Length (30 pts.) The required reinforcement steel area "As" for the lightweight reinforced concrete beam of figure 3 is 2.88 si. The No. 8 top bars are uncoated. Compute the development length (d), İffy 60,000 psi and fc 3.500 psi. a) Use the simplified equation Table 8-1) b) Use the ACI Equation 25.4.2.3a (Equation 8-10) c) Use the ACI Equation 25.4.2.3a with Ktr 0 (Equation 8-10) 18 3" 3@4 123 3" 448 bars 3.14 in2 26...
1. T-Beams are used to support a floor in an industrial building. The floor is used for product storage so it must be designed for a heavy 600 psf. The floor must also support a superimposed dead load of 20 psf (in addition to the self-weight of the beams and slab. The layout of the beams and slabs is shown below. The beams span 30.0% and are spaced at 4.0” center to center. The slab is 3” thick. The concrete...
Reinforced Concrete Design
Please answer it with good write .
Problem 1: The reinforced concrete cantilever beam shown is subjected to a concentrated load P- 2 kips, at its free end. Determine the development length of the shown bars using the detailed and simplified methods for the following cases: a) straight bars b) 90 hooks c )180, hooks The column width is 22 inches. Concrete cover is measured from the concrete surface to the center of the reinforcement. fc 4...
Problem 1. (40 pts) Here is a design for a beam as shown in Figs Check if this section can resist the following loading conditions in the beam according to ACI-318. Use fc -4000 psi and fy - 60,000 psi. Assume that the clear cover is 1.5" (typical) for all and the vertical spacing between #8 bars is 1 inch. Both End (L Center (L2) #8 bars #8 Stirrup #3@ 8" 8#8 bars 20 in Stirrup: 6# 8 bars Pu=15...
Please answer question 1 thank you
Reinforced Concrete HW
18%20(2).pdf CEE433- Homework Assignment 9 Assigned: 12 April 2018 Due: 19 April 2018 1. Design the shear reinforcement (vertical stirrups) for the beam shown in the figure. Design stirrups based on the shear envelope using the approximate procedure discussed in class. Note that for the overhangs the maximum shear at the support is induced by placing dead and live loads throughout the cantilever portion. Satisfy all strength and spacing requirements specified...
Please answer question 1 thank you
Reinforced Concrete HW
18%20(2).pdf CEE433- Homework Assignment 9 Assigned: 12 April 2018 Due: 19 April 2018 1. Design the shear reinforcement (vertical stirrups) for the beam shown in the figure. Design stirrups based on the shear envelope using the approximate procedure discussed in class. Note that for the overhangs the maximum shear at the support is induced by placing dead and live loads throughout the cantilever portion. Satisfy all strength and spacing requirements specified...
Can you do #2 please
1. For the beam section presented here below, calculate the reduced nominal moment capacity O M and corresponding ultimate curvature 0u. The beam section is made of concrete with a compressive strength, fe 4,000 psi and reinforcement with a yield strength of fy 60 ksi. The beam has 4 No. 9 bars in tension side and the following number of bars are provided at the compression side of the beam section: 15" (a) A, (b)...
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