Are Adjusted Partial Factors Required for Each Element in Structural Design?

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SUMMARY

The discussion centers on the application of partial factors in structural design, specifically for a mobile truck loader project. Naresh has utilized partial factors of 1.35 for dead load and 1.5 for live load, diverging from the BS EN 1991-6 standards of 1.4 and 1.6. It is established that Naresh's design does not comply with the required standards, necessitating a review and potential modification of the design to align with BS EN 1991-6. Furthermore, it is confirmed that partial factors should be consistently applied to adjacent elements during the design process.

PREREQUISITES
  • Understanding of BS EN 1991-1 and BS EN 1991-6 standards
  • Knowledge of structural load calculations
  • Familiarity with partial factors in structural design
  • Experience in designing crane structures and mobile equipment
NEXT STEPS
  • Review BS EN 1991-6 for compliance requirements
  • Learn about the implications of using different partial factors in structural design
  • Investigate best practices for load application on adjacent structural elements
  • Consult with a structural engineer for design validation and adjustments
USEFUL FOR

Structural engineers, civil engineering students, and professionals involved in crane structure design and compliance with European standards will benefit from this discussion.

NARESH NULU
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Hi everyone my name naresh. I'm doing post graduation, currently working on my project. I've completed all the calculations for it, but i have a small doubut. I've designed a mobile truck loader for which I've taken partial factors 1.35 and 1.5 for dead load and live load respectively. but BS EN 1991-6 Design of crane structures the partial factors are 1.4 and 1.6 respectively. The operation is smooth so i preferred 1.35 and 1.5 for general structural design BS EN 1991-1. What do i do, I've done all the calculations. do i need to change them. my guide is not helping in anything. and

Other most important thing is, I've taken the loads multiplied by 1.35 and 1.5 for a beam and for the supporting structure, i give the reaction of the beam directly on the supporting structure. do i need to multiply 1.35 and 1.5 corresponding values everytime I'm designing adjecent element. or once is enough. please let me.. I've eagarly waiting for your reply,

Thanks for your attention.
 
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Your design currently does not meet the standard, so your next step is to evaluate if in fact you are required to meet or exceed this standard. If yes, you'll need to modify the design.
 
Mech_Engineer said:
Your design currently does not meet the standard, so your next step is to evaluate if in fact you are required to meet or exceed this standard. If yes, you'll need to modify the design.
What about partial factors, do i need to multiply this value everytime i want to design the adjecent members.
 

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