calculation joint plate girder Overhead Crane

Certainly! The calculation of joint plates for a girder typically involves determining the size and thickness of the plate required to transfer the stresses at the joint between the girder and another structural member, such as a column or beam.

Here are the general steps for calculating joint plates for a girder:

1. Determine the load conditions and stresses at the joint. This includes the magnitude and direction of the forces and moments acting on the girder.

2. Calculate the required area of the joint plate using the allowable stress design (ASD) or load and resistance factor design (LRFD) method. This involves dividing the total force and moment at the joint by the allowable stress or resistance factor for the plate material.

3. Select a plate thickness that meets the required area and provides adequate stiffness and stability. This will depend on the loading conditions, the size of the girder and other factors such as the material properties of the plate.

4. Check the plate for other design considerations such as bolt spacing, plate edge distances, and weld capacity

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calculation Stress girder Overhead Crane

Figure 7‐5 This is a close‐up view of Figure 7‐4. The arrow points to the end of the crack. The crack is propagating toward the bottom flange of the girder. Cracks in the bottom flange of a girder can cause a catastrophic girder failure.

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