**Problem 34: Determining the Available Strength of a WT7×15 Section**Determine the available strength of a WT7×15, A992 steel, with the flanges welded to a 1/2 in. gusset plate by a 10 in. weld along each side of the flange. Considering yielding and net section rupture, determine the (a) design strength by LRFD and (b) allowable strength by ASD.---### Detailed Explanation:#### Factors to Consider:1. **Material Specifications:** - WT section: WT7×15 - Steel grade: A992 - Gusset plate thickness: 1/2 in. 2. **Connection Details:** - Weld length: 10 in. per side of each flange. 3. **Design Considerations:** - **Yielding:** Check for yielding of the section. - **Net Section Rupture:** Check for rupture on the net section.#### Methods: - **LRFD (Load and Resistance Factor Design):** Used to determine the design strength. - **ASD (Allowable Stress Design):** Used to calculate the allowable strength.*Note: Diagrams are not provided in this text. Calculations should incorporate material strength data, weld specifications, and standard engineering reference tables to fully utilize LRFD and ASD methods.*

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34. Determine the available strength of a WT7×15, A992 steel, with the flanges welded to a 1/2 in. gusset plate by a 10 in. weld along each side of the flange. Considering yielding and net section rupture, determine the (a) design strength by LRFD and (b) allowable strength by ASD.

34. Determine the available strength of a WT7×15, A992 steel, with the flanges welded to a 1/2 in. gusset plate by a 10 in. weld along each side of the flange. Considering yielding and net section rupture, determine the (a) design strength by LRFD and (b) allowable strength by ASD.

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

**Problem 34: Determining the Available Strength of a WT7×15 Section**

Determine the available strength of a WT7×15, A992 steel, with the flanges welded to a 1/2 in. gusset plate by a 10 in. weld along each side of the flange. Considering yielding and net section rupture, determine the (a) design strength by LRFD and (b) allowable strength by ASD.

---

### Detailed Explanation:

#### Factors to Consider:
1. **Material Specifications:**
- WT section: WT7×15
- Steel grade: A992
- Gusset plate thickness: 1/2 in.

2. **Connection Details:**
- Weld length: 10 in. per side of each flange.

3. **Design Considerations:**
- **Yielding:** Check for yielding of the section.
- **Net Section Rupture:** Check for rupture on the net section.

#### Methods:
- **LRFD (Load and Resistance Factor Design):** Used to determine the design strength.
- **ASD (Allowable Stress Design):** Used to calculate the allowable strength.

*Note: Diagrams are not provided in this text. Calculations should incorporate material strength data, weld specifications, and standard engineering reference tables to fully utilize LRFD and ASD methods.*

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