Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN: 9781337094740
Author: Segui, William T.
Publisher: Cengage Learning
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Chapter 9, Problem 9.10.1P
To determine
The nominal strength of the column.
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A reinforced concrete beam 300 mm width has an effective depth of 450 mm. It is reinforced with 6 –32 mm Ф at the tension side and 2 – 28 mm Ф at the compression side located at 65 mm from the top. Fy = 345 MPa, fc’ = 34.5 MPa. Assume all steel yields and the contribution of compression steel may not be neglected.1. Which of the following gives the balance steel ratio? a. 3.8%b. 5.3%c. 4.5%d. 8.4%2. Which of the following gives the depth of compression stress block? a. 163 mmb. 123 mmc. 134 mmd. 145 mm3. Which of the following gives the nominal moment capacity of the beam? a. 734.5 kN – mb. 324.6 kN - mc. 631.2 kN – md. 543.4 kN - m
A rectangular reinforced concrete beam has b=300mm and d=480mm, concrete strength f'c=34 mpa and steel yield strength fy=415 MPa. Compression reinforcement, if necessary, will be placed 70 mm from the extreme concrete in compression. For this problem, the dead load moment is 140 kn-m and the live load moment is 180 kn-m.
a.) what is the value of the required moment in kn-m?
b.) what is the value of the maximum steel ratio when the beam is singly reinforced?
c.) what is the required tension steel area in mm^2?
if M(subscript)d= 250 kn-m and M(subscript)L= 240 kn-m
d.) determine the required tension steel area in mm^2
e.) determine the required compression steel area in mm^2
4)
A circular Column has dia of D = 30 in. Concrete Compressive strength at 28 days is (4 +15)ksiand yielding strength of steel is (60 + 15)ksi. Determine the design capacity of circular column and 8 # 11 bars is used.
Chapter 9 Solutions
Steel Design (Activate Learning with these NEW titles from Engineering!)
Ch. 9 - Prob. 9.1.1PCh. 9 - Prob. 9.1.2PCh. 9 - Prob. 9.1.3PCh. 9 - Prob. 9.1.4PCh. 9 - Prob. 9.1.5PCh. 9 - Prob. 9.1.6PCh. 9 - A W1422 acts compositely with a 4-inch-thick floor...Ch. 9 - Prob. 9.2.2PCh. 9 - Prob. 9.3.1PCh. 9 - Prob. 9.3.2P
Ch. 9 - Prob. 9.4.1PCh. 9 - Prob. 9.4.2PCh. 9 - Prob. 9.4.3PCh. 9 - Prob. 9.4.4PCh. 9 - Prob. 9.4.5PCh. 9 - Prob. 9.5.1PCh. 9 - Prob. 9.5.2PCh. 9 - Prob. 9.5.3PCh. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Note For Problems 9.6-1 through 9.6-5, use the...Ch. 9 - Prob. 9.7.1PCh. 9 - Prob. 9.7.2PCh. 9 - Prob. 9.7.3PCh. 9 - Prob. 9.7.4PCh. 9 - Prob. 9.8.1PCh. 9 - Prob. 9.8.2PCh. 9 - A beam must be designed to the following...Ch. 9 - Prob. 9.8.4PCh. 9 - Prob. 9.8.5PCh. 9 - Prob. 9.8.6PCh. 9 - Prob. 9.8.7PCh. 9 - Prob. 9.8.8PCh. 9 - Use the composite beam tables and select a W-shape...Ch. 9 - Prob. 9.8.10PCh. 9 - Prob. 9.10.1PCh. 9 - Prob. 9.10.2P
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