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Design a welded connection for an MC9x23.9 of A572 Grade 50 steel connected to a 3/8-inch-thick gusset plate (Figure 6). The gusset plate is A36 steel. Show your results on a sketch, complete with dimensions. = 3/8" Figure 6 D = 48 k L = 120 k MC9 x 23.9 a. Use LRFD. b. Use ASD.

Design a welded connection for an MC9x23.9 of A572 Grade 50 steel connected to a 3/8-inch-thick gusset plate (Figure 6). The gusset plate is A36 steel. Show your results on a sketch, complete with dimensions. = 3/8" Figure 6 D = 48 k L = 120 k MC9 x 23.9 a. Use LRFD. b. Use ASD.

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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### Welded Connection Design for Steel Members #### Overview In this exercise, you are required to design a welded connection for an MC9x23.9 member of A572 Grade 50 steel. This member is connected to a 3/8-inch-thick gusset plate, as shown in Figure 6. The gusset plate is made from A36 steel. Your task is to produce a sketch, complete with dimensions, showing the design of the welded connection. The goal is to ensure the connection can safely transfer the given loads. #### Details - **Member Details**: MC9x23.9, A572 Grade 50 steel - **Gusset Plate**: 3/8-inch thick, A36 steel - **Loads**: - Design shear force, \( D \) = 48 kip (k) - Design load, \( L \) = 120 kip (k) #### Figure 6 Explanation The figure provided illustrates the following elements: - **MC9x23.9 Section**: This is a channel section with specific dimensions. - **Gusset Plate Thickness**: The thickness \( t \) of the gusset plate is noted as 3/8 inch. - **Load Application**: The figure indicates two key load values acting on the connection: a shear force (D) and an axial force (L). These are represented with arrows showing the direction and points of load application. ### Tasks 1. **Design Using LRFD (Load and Resistance Factor Design)**. 2. **Design Using ASD (Allowable Stress Design)**. These tasks involve calculating the necessary weld sizes, lengths, and patterns to safely carry the given loads. Adhere to the respective design methods (LRFD and ASD) as per standard engineering practices and safety factors. ### Conclusion Once calculations are finalized, produce a detailed sketch that incorporates all relevant dimensions and elements mentioned above, ensuring the design meets the requirements for the specified loads. ### Figure 6 The accompanying figure is provided to help conceptualize the design scenario and should be referred to during the design process. --- #### Additional Notes: - Ensure compliance with the latest design codes. - Verify all calculations with appropriate load and resistance factors for LRFD and allowable stress limits for ASD.
Transcribed Image Text:### Welded Connection Design for Steel Members #### Overview In this exercise, you are required to design a welded connection for an MC9x23.9 member of A572 Grade 50 steel. This member is connected to a 3/8-inch-thick gusset plate, as shown in Figure 6. The gusset plate is made from A36 steel. Your task is to produce a sketch, complete with dimensions, showing the design of the welded connection. The goal is to ensure the connection can safely transfer the given loads. #### Details - **Member Details**: MC9x23.9, A572 Grade 50 steel - **Gusset Plate**: 3/8-inch thick, A36 steel - **Loads**: - Design shear force, \( D \) = 48 kip (k) - Design load, \( L \) = 120 kip (k) #### Figure 6 Explanation The figure provided illustrates the following elements: - **MC9x23.9 Section**: This is a channel section with specific dimensions. - **Gusset Plate Thickness**: The thickness \( t \) of the gusset plate is noted as 3/8 inch. - **Load Application**: The figure indicates two key load values acting on the connection: a shear force (D) and an axial force (L). These are represented with arrows showing the direction and points of load application. ### Tasks 1. **Design Using LRFD (Load and Resistance Factor Design)**. 2. **Design Using ASD (Allowable Stress Design)**. These tasks involve calculating the necessary weld sizes, lengths, and patterns to safely carry the given loads. Adhere to the respective design methods (LRFD and ASD) as per standard engineering practices and safety factors. ### Conclusion Once calculations are finalized, produce a detailed sketch that incorporates all relevant dimensions and elements mentioned above, ensuring the design meets the requirements for the specified loads. ### Figure 6 The accompanying figure is provided to help conceptualize the design scenario and should be referred to during the design process. --- #### Additional Notes: - Ensure compliance with the latest design codes. - Verify all calculations with appropriate load and resistance factors for LRFD and allowable stress limits for ASD.
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