A 30' B 4@ 5' = 20'- FIGURE P5.11-7 5.11-8 Use LRFD and design a typical girder for the floor system of Problem 5.11-7. Do not check deflections. Assume that the girder is supporting beams on each side, and assume that the beams weigh 35 lb/ft. Consider the beam reactions to act as point loads on the girder. a. Use LRFD. b. Use ASD. 5.11-9 Same as Problem 5.11-8, but let all the loads on the girder act as a uniform load (be sure to include the weight of the beams).
A 30' B 4@ 5' = 20'- FIGURE P5.11-7 5.11-8 Use LRFD and design a typical girder for the floor system of Problem 5.11-7. Do not check deflections. Assume that the girder is supporting beams on each side, and assume that the beams weigh 35 lb/ft. Consider the beam reactions to act as point loads on the girder. a. Use LRFD. b. Use ASD. 5.11-9 Same as Problem 5.11-8, but let all the loads on the girder act as a uniform load (be sure to include the weight of the beams).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Answer problem 5.11-9: Same as problem 5.11-8, but let all the loads on the girder act as a uniform load (be sure to include the weight of the beam).
Transcribed Image Text:**Transcription and Explanation for Educational Purposes:**
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### Diagram: Figure P5.11-7
- **Description:** The diagram is a schematic of a floor system showing five vertical lines labeled as "A" and "B," which represent beams. There are four spaces between these beams, each measuring 5 feet, totaling 20 feet. The vertical length of the figure is 30 feet.
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### Problem Description
**5.11-8**
- **Objective:** Design a typical girder for the floor system shown in Figure P5.11-7.
- **Method:**
- Use Load and Resistance Factor Design (LRFD).
- **Instructions:**
- Do not check deflections.
- Assume the girder supports beams on each side.
- Each beam weighs 35 pounds per foot.
- Consider beam reactions as point loads on the girder.
**Tasks:**
- **a.** Use LRFD.
- **b.** Use Allowable Strength Design (ASD).
**5.11-9**
- **Objective:** Similar to Problem 5.11-8, but change the loading condition.
- **Instructions:**
- Consider all loads on the girder as a uniform load.
- Include the weight of the beams when calculating the load.
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This content would be suitable for teaching structural engineering students about designing girders using different design methods, particularly focusing on LRFD and ASD.
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