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TABLE 9.5(a) - MINIMUM THICKNESS OF NONPRESTRESSED BEAMS OR ONE-WAY SLABS UNLESS DEFLECTIONS ARE CALCULATED Member Solid one- way slabs Beams or ribbed one- way slabs Simply supported One end continuous continuous Cantilever Members not supporting or attached to partitions or other construction likely to be damaged by large deflections €/20 €/24 (28 U/10 /16 Minimum thickness, h Both ends U/18.5 24 inches 30 inches 36 inches 28 inches €21 U/18 Notes: Values given shall be used directly for members with normalweight concrete and Grade 60 reinforcement. For other conditions, the values shall be modified as follows: a) For lightweight concrete having equilibrium density, we, in the range of 90 to 115 lb/ft³, the values shall be multiplied by (1.65 -0.005 we) but not less than 1.09. b) For fy other than 60,000 psi, the values shall be multiplied by (0.4+ f/100,000).

TABLE 9.5(a) - MINIMUM THICKNESS OF NONPRESTRESSED BEAMS OR ONE-WAY SLABS UNLESS DEFLECTIONS ARE CALCULATED Member Solid one- way slabs Beams or ribbed one- way slabs Simply supported One end continuous continuous Cantilever Members not supporting or attached to partitions or other construction likely to be damaged by large deflections €/20 €/24 (28 U/10 /16 Minimum thickness, h Both ends U/18.5 24 inches 30 inches 36 inches 28 inches €21 U/18 Notes: Values given shall be used directly for members with normalweight concrete and Grade 60 reinforcement. For other conditions, the values shall be modified as follows: a) For lightweight concrete having equilibrium density, we, in the range of 90 to 115 lb/ft³, the values shall be multiplied by (1.65 -0.005 we) but not less than 1.09. b) For fy other than 60,000 psi, the values shall be multiplied by (0.4+ f/100,000).

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Material properties are: - Concrete weight: wt = 150 pcf - Concrete compressive strength: f'c = 4000 psi - Steel tensile strength: fy = 60 ksi - Stirrup consists of #4 bar - Framing members are not exposed to weather or in contact with soil. Per the ACI, what is the minimum girder depth (Select a uniform depth for all girders) 30-0 B4 B4 B4 B3 Column 52 30-0 Bean- -Slab Mark B4 84 84 83 B G2 30-0 BI 82 B2 BI -Girder 3'-4' 13'-4' 40-0 13'-4' 2
Transcribed Image Text:Material properties are: - Concrete weight: wt = 150 pcf - Concrete compressive strength: f'c = 4000 psi - Steel tensile strength: fy = 60 ksi - Stirrup consists of #4 bar - Framing members are not exposed to weather or in contact with soil. Per the ACI, what is the minimum girder depth (Select a uniform depth for all girders) 30-0 B4 B4 B4 B3 Column 52 30-0 Bean- -Slab Mark B4 84 84 83 B G2 30-0 BI 82 B2 BI -Girder 3'-4' 13'-4' 40-0 13'-4' 2
TABLE 9.5(a) - MINIMUM THICKNESS OF NONPRESTRESSED BEAMS OR ONE-WAY SLABS UNLESS DEFLECTIONS ARE CALCULATED Member Solid one- way slabs Beams or ribbed one- way slabs Simply supported One end continuous continuous Cantilever Members not supporting or attached to partitions or other construction likely to be damaged by large deflections €/20 €/24 (28 U/10 /16 Minimum thickness, h Both ends U/18.5 24 inches 30 inches 36 inches 28 inches €21 U/18 Notes: Values given shall be used directly for members with normalweight concrete and Grade 60 reinforcement. For other conditions, the values shall be modified as follows: a) For lightweight concrete having equilibrium density, we, in the range of 90 to 115 lb/ft³, the values shall be multiplied by (1.65 -0.005 we) but not less than 1.09. b) For fy other than 60,000 psi, the values shall be multiplied by (0.4+ f/100,000).
Transcribed Image Text:TABLE 9.5(a) - MINIMUM THICKNESS OF NONPRESTRESSED BEAMS OR ONE-WAY SLABS UNLESS DEFLECTIONS ARE CALCULATED Member Solid one- way slabs Beams or ribbed one- way slabs Simply supported One end continuous continuous Cantilever Members not supporting or attached to partitions or other construction likely to be damaged by large deflections €/20 €/24 (28 U/10 /16 Minimum thickness, h Both ends U/18.5 24 inches 30 inches 36 inches 28 inches €21 U/18 Notes: Values given shall be used directly for members with normalweight concrete and Grade 60 reinforcement. For other conditions, the values shall be modified as follows: a) For lightweight concrete having equilibrium density, we, in the range of 90 to 115 lb/ft³, the values shall be multiplied by (1.65 -0.005 we) but not less than 1.09. b) For fy other than 60,000 psi, the values shall be multiplied by (0.4+ f/100,000).
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