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(3) Same shape fé= 3000 psi. 4 #8 Grade 60 steel as (1) NWC Cover = 1.5". #4 stirrups.

(3) Same shape fé= 3000 psi. 4 #8 Grade 60 steel as (1) NWC Cover = 1.5". #4 stirrups.

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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Only answer number 3 please
### Structural Design Problems #### Diagram (1) - **Reinforcement Details**: - *Vertical Bars*: 4 #8 - *Stirrups*: #3 - **Dimensions**: - Width: 12 inches - Height: 24 inches - **Material Properties**: - \( f'_c = 5000 \, \text{psi} \) - \( f_y = 60 \, \text{ksi} \) - *Concrete Type*: Normal Weight Concrete (NWC) - **Cover**: 2 inches - **Query**: Find \( \phi M_n \) #### Diagram (2) - **Reinforcement Details**: - *Vertical Bars*: 6 #9 - *Stirrups*: #4 - **Dimensions**: - Width: 12 inches - Height: 28 inches - **Material Properties**: - \( f'_c = 4000 \, \text{psi} \) - *Steel Grade*: Grade 60 - *Concrete Type*: NWC - **Cover**: 1.5 inches - **Query**: Find \( \phi M_n \) #### Diagram (3) - **Same Shape as (1)** - **Material Properties**: - \( f'_c = 3000 \, \text{psi} \) - *Steel Grade*: Grade 60 - **Reinforcement**: - 4 #8 - *Stirrups*: #4 - **Cover**: 1.5 inches #### Diagram (4) - **Same Shape as (2)** - **Material Properties**: - \( f'_c = 6000 \, \text{psi} \) - *Steel Grade*: Grade 60 - **Reinforcement**: - 6 #9 - *Stirrups*: #3 - **Cover**: 2 inches - **Query**: Find \( \phi M_n \)
Transcribed Image Text:### Structural Design Problems #### Diagram (1) - **Reinforcement Details**: - *Vertical Bars*: 4 #8 - *Stirrups*: #3 - **Dimensions**: - Width: 12 inches - Height: 24 inches - **Material Properties**: - \( f'_c = 5000 \, \text{psi} \) - \( f_y = 60 \, \text{ksi} \) - *Concrete Type*: Normal Weight Concrete (NWC) - **Cover**: 2 inches - **Query**: Find \( \phi M_n \) #### Diagram (2) - **Reinforcement Details**: - *Vertical Bars*: 6 #9 - *Stirrups*: #4 - **Dimensions**: - Width: 12 inches - Height: 28 inches - **Material Properties**: - \( f'_c = 4000 \, \text{psi} \) - *Steel Grade*: Grade 60 - *Concrete Type*: NWC - **Cover**: 1.5 inches - **Query**: Find \( \phi M_n \) #### Diagram (3) - **Same Shape as (1)** - **Material Properties**: - \( f'_c = 3000 \, \text{psi} \) - *Steel Grade*: Grade 60 - **Reinforcement**: - 4 #8 - *Stirrups*: #4 - **Cover**: 1.5 inches #### Diagram (4) - **Same Shape as (2)** - **Material Properties**: - \( f'_c = 6000 \, \text{psi} \) - *Steel Grade*: Grade 60 - **Reinforcement**: - 6 #9 - *Stirrups*: #3 - **Cover**: 2 inches - **Query**: Find \( \phi M_n \)
Expert Solution
Step 1: step 1

Given data,

breadth of beam b=12in

overall depth of beam h=28in

cover to reinforcement=1.5in

spacing assumed=1in

strength of concrete=fc'=3000 psi

yield strength of steel fy=60000 psi


FIND

design moment capacity

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