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5 in. 3. Design the flexural steel for a 5-inch thick simply-supported interior reinforced concrete one-way slab. The slab dimensions, dead and live loads, and concrete and steel properties are provided in the figures below. Compute the ultimate factored moment, Mu. for the slab. Compute the area of steel needed to resist tension in the section, A. Select a bar size and spacing to fit this requirement. ACI318-19 limitations on reinforcement spacing for one-way slabs are provided below. You may assume the minimum spacing is 1 inch. State all assumptions Compute a spacing required for the transverse reinforcement. The same limitations on reinforcement spacing apply as for part b. Note that No. 3 bars have already been selected for this reinforcement. Is your design exhibit ductile behavior? C. a. b. Wo=15/²+ slab weight W₁= 30b/² span length =8 ft Normal Weight Concrete f'c = 4000 psi fy = 60000 psi Flexural steel span length =8 ft 7.7.2 Reinforcement spacing 7.7.2.1 Minimum spacing s shall be in accordance with 25.2. 7.7.2.2 For nonprestressed and Class C prestressed slabs. spacing of bonded longitudinal reinforcement closest to the tension face shall not exceeds given in 24.3. 7.7.2.3 For nonprestressed and Class T and C prestressed slabs with unbonded tendons, maximum spacings of deformed longitudinal reinforcement shall be the lesser of 3h and 18 in. 7.7.2.4 Maximum spacing, s, of reinforcement required by 7.5.2.3 shall be the lesser of 5h and 18 in. No. 3 bars (temperature and shrinkage) d=4 in.

5 in. 3. Design the flexural steel for a 5-inch thick simply-supported interior reinforced concrete one-way slab. The slab dimensions, dead and live loads, and concrete and steel properties are provided in the figures below. Compute the ultimate factored moment, Mu. for the slab. Compute the area of steel needed to resist tension in the section, A. Select a bar size and spacing to fit this requirement. ACI318-19 limitations on reinforcement spacing for one-way slabs are provided below. You may assume the minimum spacing is 1 inch. State all assumptions Compute a spacing required for the transverse reinforcement. The same limitations on reinforcement spacing apply as for part b. Note that No. 3 bars have already been selected for this reinforcement. Is your design exhibit ductile behavior? C. a. b. Wo=15/²+ slab weight W₁= 30b/² span length =8 ft Normal Weight Concrete f'c = 4000 psi fy = 60000 psi Flexural steel span length =8 ft 7.7.2 Reinforcement spacing 7.7.2.1 Minimum spacing s shall be in accordance with 25.2. 7.7.2.2 For nonprestressed and Class C prestressed slabs. spacing of bonded longitudinal reinforcement closest to the tension face shall not exceeds given in 24.3. 7.7.2.3 For nonprestressed and Class T and C prestressed slabs with unbonded tendons, maximum spacings of deformed longitudinal reinforcement shall be the lesser of 3h and 18 in. 7.7.2.4 Maximum spacing, s, of reinforcement required by 7.5.2.3 shall be the lesser of 5h and 18 in. No. 3 bars (temperature and shrinkage) d=4 in.

Steel Design (Activate Learning with these NEW titles from Engineering!)
Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN:9781337094740
Author:Segui, William T.
Publisher:Segui, William T.
Chapter5: Beams
Section: Chapter Questions
Problem 5.11.3P
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5 in. 3. Design the flexural steel for a 5-inch thick simply-supported interior reinforced concrete one-way slab, The slab dimensions, dead and live loads, and concrete and steel properties are provided in the figures below. Compute the ultimate factored moment, Mu, for the slab. Compute the area of steel needed to resist tension in the section, As. Select a bar size and spacing to fit this requirement. ACI318-19 limitations on reinforcement spacing for one-way slabs are provided below. You may assume the minimum spacing is 1 inch. State all assumptions Compute a spacing required for the transverse reinforcement. The same limitations on reinforcement spacing apply as for part b. Note that No. 3 bars have already been selected for this reinforcement. Is your design exhibit ductile behavior? C. a. b. Wo=15 b/ft²2+ slab weight WL= 30¹b/ft² span length =8 ft Normal Weight Concrete f'c = 4000 psi fy = 60000 psi Flexural steel span length =8 ft 7.7.2 Reinforcement spacing 7.7.2.1 Minimum spacing s shall be in accordance with 25.2. 7.7.2.2 For nonprestressed and Class C prestressed slabs, spacing of bonded longitudinal reinforcement closest to the tension face shall not exceed s given in 24.3. 7.7.2.3 For nonprestressed and Class T and C prestressed slabs with unbonded tendons, maximum spacing s of deformed longitudinal reinforcement shall be the lesser of 3h and 18 in. 7.7.2.4 Maximum spacing, s, of reinforcement required by 7.5.2.3 shall be the lesser of 5h and 18 in. No. 3 bars (temperature and shrinkage) d = 4 in.
Transcribed Image Text:5 in. 3. Design the flexural steel for a 5-inch thick simply-supported interior reinforced concrete one-way slab, The slab dimensions, dead and live loads, and concrete and steel properties are provided in the figures below. Compute the ultimate factored moment, Mu, for the slab. Compute the area of steel needed to resist tension in the section, As. Select a bar size and spacing to fit this requirement. ACI318-19 limitations on reinforcement spacing for one-way slabs are provided below. You may assume the minimum spacing is 1 inch. State all assumptions Compute a spacing required for the transverse reinforcement. The same limitations on reinforcement spacing apply as for part b. Note that No. 3 bars have already been selected for this reinforcement. Is your design exhibit ductile behavior? C. a. b. Wo=15 b/ft²2+ slab weight WL= 30¹b/ft² span length =8 ft Normal Weight Concrete f'c = 4000 psi fy = 60000 psi Flexural steel span length =8 ft 7.7.2 Reinforcement spacing 7.7.2.1 Minimum spacing s shall be in accordance with 25.2. 7.7.2.2 For nonprestressed and Class C prestressed slabs, spacing of bonded longitudinal reinforcement closest to the tension face shall not exceed s given in 24.3. 7.7.2.3 For nonprestressed and Class T and C prestressed slabs with unbonded tendons, maximum spacing s of deformed longitudinal reinforcement shall be the lesser of 3h and 18 in. 7.7.2.4 Maximum spacing, s, of reinforcement required by 7.5.2.3 shall be the lesser of 5h and 18 in. No. 3 bars (temperature and shrinkage) d = 4 in.
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