Force and initial stiffness of the bolt based on Eurocode 3 part 1.8

Here is a simple sheet and summary of how to determine force and initial stiffness of the bolt based on Eurocode 3 part 1.8.

  • For determining the force, we only need to know the bolt size/type.
  • For determining the initial stiffness, there are two important parameters that have direct effect on bolt’s initial stiffness/elongation: Size of the nut and size of the washer.
Determining bolt's force and initial stiffness
Determining bolt’s force and initial stiffness

Simple sheet for determining force and initial stiffness of the bolt based on Eurocode 3 part 1.8

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