Answer only number 2 please ### Image Transcription for Educational PurposesThe image consists of two diagrams and accompanying notes, detailing the specifications for different reinforced concrete columns. Each itemized entry corresponds to a specific structural setup, highlighting variations in dimensions and material properties.#### Diagram Descriptions:1. **First Diagram (Top Left)** - **Column Dimensions:** - Height: 24 inches - Width: 12 inches - **Reinforcement:** - 4 #8 bars - #3 stirrups - **Specifications:** - \(f'_c = 5000 \, \text{psi}\) - \(f_y = 60 \, \text{ksi}\) - NWC (normal weight concrete) - Cover: 2 inches - **Query:** - \(\phi M_n = ?\)2. **Second Diagram (Bottom Left)** - **Column Dimensions:** - Height: 28 inches - Width: 12 inches - **Reinforcement:** - 6 #9 bars - #4 stirrups - **Specifications:** - \(f'_c = 4000 \, \text{psi}\) - Grade 60 steel - NWC - Cover: 1.5 inches - **Query:** - \(\phi M_n = ?\)#### Notes:3. **Third Configuration:** - Same shape as the first diagram. - **Specifications:** - \(f'_c = 3000 \, \text{psi}\) - Grade 60 steel - NWC - Cover: 1.5 inches - **Reinforcement:** - 4 #8 bars - #4 stirrups - **Query:** - \(\phi M_n = ?\)4. **Fourth Configuration:** - Same shape as the second diagram. - **Specifications:** - \(f'_c = 6000 \, \text{psi}\) - Grade 60 steel - NWC - Cover: 2.0 inches - **Reinforcement:** - 6 #9 bars - #3 stirrups - **Query:

Compressive strength of concrete, Yield strength of steel, Clear cover, Stirrupsteel barWidth of…

Answered: (2) #9 12" #4 28" fe= 4000 psi Grade 60…

Engineering

Civil Engineering

(2) #9 12" #4 28" fe= 4000 psi Grade 60 steel Cover = 1.5", #4 stirrups & Mn = ? " NWC

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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Question

Answer only number 2 please

### Image Transcription for Educational Purposes

The image consists of two diagrams and accompanying notes, detailing the specifications for different reinforced concrete columns. Each itemized entry corresponds to a specific structural setup, highlighting variations in dimensions and material properties.

#### Diagram Descriptions:

1. **First Diagram (Top Left)**
- **Column Dimensions:**
- Height: 24 inches
- Width: 12 inches
- **Reinforcement:**
- 4 #8 bars
- #3 stirrups
- **Specifications:**
- \(f'_c = 5000 \, \text{psi}\)
- \(f_y = 60 \, \text{ksi}\)
- NWC (normal weight concrete)
- Cover: 2 inches
- **Query:**
- \(\phi M_n = ?\)

2. **Second Diagram (Bottom Left)**
- **Column Dimensions:**
- Height: 28 inches
- Width: 12 inches
- **Reinforcement:**
- 6 #9 bars
- #4 stirrups
- **Specifications:**
- \(f'_c = 4000 \, \text{psi}\)
- Grade 60 steel
- NWC
- Cover: 1.5 inches
- **Query:**
- \(\phi M_n = ?\)

#### Notes:

3. **Third Configuration:**
- Same shape as the first diagram.
- **Specifications:**
- \(f'_c = 3000 \, \text{psi}\)
- Grade 60 steel
- NWC
- Cover: 1.5 inches
- **Reinforcement:**
- 4 #8 bars
- #4 stirrups
- **Query:**
- \(\phi M_n = ?\)

4. **Fourth Configuration:**
- Same shape as the second diagram.
- **Specifications:**
- \(f'_c = 6000 \, \text{psi}\)
- Grade 60 steel
- NWC
- Cover: 2.0 inches
- **Reinforcement:**
- 6 #9 bars
- #3 stirrups
- **Query:

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