Design a welded connection (E70) for an MC 9x23.9 of A992 Grade 50 steel connected to a 3/8-inch-thick gusset plate. The gusset plate is A36 steel. Minimize the length of the longitudinal welds by using the maximum fillet weld size permitted (AISC J-2b). Show your results on a sketch, complete with dimensions. Use LRFD. Hint: Design it with both longitudinal welds and a transverse weld. For simplicity in the iteration of this problem take U = 1.0 and thus no shear lag effects. Also, do not forget to consider the block shear that will occur in the gusset plate. ### Transcription of Image from Educational ResourceThe image displays a technical diagram of a cylindrical object. Key elements of the diagram are labeled as follows:- **Diameter (D):** 40 feet- **Length (L):** 100 feet- **Wall Thickness (t):** 3/8 inchesThe structure appears to be hollow, as indicated by the cross-section and thickness measurement. - **Material Specification:** MC9 x 23.9This specification likely refers to a type of structural steel or metal channel, often used in construction and engineering contexts.In this diagram:- Two lines extending from the sides of the cylinder indicate the measurement of the wall thickness (t = 3/8”).- The cylinder's overall proportions are shown with a length significantly greater than its diameter, typical for certain pipeline or structural elements.- The dimensions suggest the object is sizable, likely intended for industrial or large-scale applications. This detailed representation provides essential information for understanding the object's design and material properties.

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Answered: Design a welded connection (E70) for an…

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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Design a welded connection (E70) for an MC 9x23.9 of A992 Grade 50 steel connected to a 3/8-inch-thick gusset plate. The gusset plate is A36 steel. Minimize the length of the longitudinal welds by using the maximum fillet weld size permitted (AISC J-2b). Show your results on a sketch, complete with dimensions. Use LRFD. Hint: Design it with both longitudinal welds and a transverse weld. For simplicity in the iteration of this problem take U = 1.0 and thus no shear lag effects. Also, do not forget to consider the block shear that will occur in the gusset plate.

### Transcription of Image from Educational Resource

The image displays a technical diagram of a cylindrical object. Key elements of the diagram are labeled as follows:

- **Diameter (D):** 40 feet
- **Length (L):** 100 feet
- **Wall Thickness (t):** 3/8 inches

The structure appears to be hollow, as indicated by the cross-section and thickness measurement.

- **Material Specification:** MC9 x 23.9

This specification likely refers to a type of structural steel or metal channel, often used in construction and engineering contexts.

In this diagram:

- Two lines extending from the sides of the cylinder indicate the measurement of the wall thickness (t = 3/8”).
- The cylinder's overall proportions are shown with a length significantly greater than its diameter, typical for certain pipeline or structural elements.
- The dimensions suggest the object is sizable, likely intended for industrial or large-scale applications.

This detailed representation provides essential information for understanding the object's design and material properties.

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