For the rectangular beam shown here, calculate the development lengths of top No. 7 bars and bottom No. 9 bars. No. 4 bars are used for stirrups. The spacing of stirrups is 6 in. The clear side cover depth is 1.5 inch. (Clear cover depth means the distance from the beam face to the outer surface of a bar).Normalweight concrete is used., .Equation (6.5) and (6.6) will be used respectively. And the results shall be compared. 1. For the rectangular beam shown here, calculate the development lengths of top No. 7 bars and bottom No. 9 bars. No. 4 bars are used for stirrups. The spacing of stirrups is 6 in. The clear side cover depth is 1.5 inch. (Clear cover depth means the distance from the beam face to the outer surface of a bar).Normal weight concrete is used.Therefore, Equation (6.5) and (6.6) will be used respectively. And the results shall be compared.**Diagram Explanation:**The diagram shows a cross-section of a rectangular concrete beam with dimensions labeled. - **Top Reinforcement:** 2 No. 7 bars (indicated as No. 22, typically referring to a specific diameter or type of bar).- **Bottom Reinforcement:** 4 No. 9 bars (indicated as No. 29).- **Stirrups:** No. 4 bars are used, placed around the perimeter of the reinforcement.The beam's dimensions are:- Width: 10 inches- Total height: 20 inches- Height from the bottom to the top reinforcement: 14 3/4 inchesThe diagram also shows the following additional measurements:- A side cover of 2 1/2 inches on both left and right sides.- Center-line spacing around the reinforcement and stirrups.

A beam is given we need to find out the the development lengths of top No. 7 bars and bottom No. 9…

Answered: 1. For the rectangular beam shown here,…

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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For the rectangular beam shown here, calculate the development lengths of top No. 7 bars and bottom No. 9 bars. No. 4 bars are used for stirrups. The spacing of stirrups is 6 in. The clear side cover depth is 1.5 inch. (Clear cover depth means the distance from the beam face to the outer surface of a bar). Normalweight concrete is used. , . Equation (6.5) and (6.6) will be used respectively. And the results shall be compared.

1. For the rectangular beam shown here, calculate the development lengths of top No. 7 bars and bottom No. 9 bars. No. 4 bars are used for stirrups. The spacing of stirrups is 6 in. The clear side cover depth is 1.5 inch. (Clear cover depth means the distance from the beam face to the outer surface of a bar).

Normal weight concrete is used.

Therefore, Equation (6.5) and (6.6) will be used respectively. And the results shall be compared.

**Diagram Explanation:**

The diagram shows a cross-section of a rectangular concrete beam with dimensions labeled.

- **Top Reinforcement:** 2 No. 7 bars (indicated as No. 22, typically referring to a specific diameter or type of bar).
- **Bottom Reinforcement:** 4 No. 9 bars (indicated as No. 29).
- **Stirrups:** No. 4 bars are used, placed around the perimeter of the reinforcement.

The beam's dimensions are:
- Width: 10 inches
- Total height: 20 inches
- Height from the bottom to the top reinforcement: 14 3/4 inches

The diagram also shows the following additional measurements:
- A side cover of 2 1/2 inches on both left and right sides.
- Center-line spacing around the reinforcement and stirrups.

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