Eurocode 7 - geotechnical design

Q1. Please provide your contact details in case we need to clarify your submission. (These details will be kept strictly confidential.)

Q2. How many structures of this kind have you previously designed?

Q3. Having completed your design to Eurocode 7, how confident are you that the design is sound?

Q4. How did you account for the location of boreholes/cone tests relative to the foundation?

Q5. Please explain the reasons for your answer to Q4

Q6. Which parameters did you use for the SLS design of the pile foundation?

Q7. What correlations did you use to derive soil parameter values (if used) for the SLS verification? If more than one, please list others below.

Q7a. Any other correlations? (please give same info as above)

Q8. What assumptions did you make in choosing these correlations?

Q9. How did you account for any variation in parameters with depth?

Q10. Please explain the reasons for your answer to Q9

Q11. (If used) What is the characteristic value of N at these levels?

Q12. (If used) What is the characteristic value of q_{c} at these levels?

Q13. (If used) What is the characteristic value of plim at these levels?

Q14. (If used) What is the characteristic value of triaxial c_{u} at these levels?

Q15. How did you assess these values?

Q16. Which calculation model did you use to determine settlement?

Q17. What length does the pile need to avoid a serviceability limit state?

Q18. Which parameters did you use for the ULS design of the pile foundation?

Q19. What correlations did you use to derive soil parameter values (if used) for the ULS verification? If more than one, please list others under Q29.

Q19a. Any other correlations? (please give same info as above)

Q20. What assumptions did you make in choosing these correlations?

Q21. (If determined) What is the characteristic value of unit shaft resistance q_{s} at these levels?

Q22. (If determined) What is the characteristic value of unit base resistance q_{b} at these levels?

Q23. Which calculation model did you use to determine shaft and base resistance?

Q24. Which country's National Annex did you use to interpret EN 1997-1?

Q25. Which Design Approach did you use for verification of the Ultimate Limit State (ULS)?

Q26. What values of partial factors did you use for this ULS verification?

Q26a. If you used a second combination of partial factors, what values did you use for this second combination?

Q27. What correlation factors (if any) did you use for this verification?

Q28. What model factor (if any) did you use for this verification?

Q29. What length does the pile need to avoid an ultimate limit state?

Q30. What is the design compressive force that the pile must be designed for according to Eurocode 2?

Q31. What other assumptions did you need to make to complete your design?

Q32. Please specify any other data that you would have liked to have had to design this type of foundation

Q33. How conservative do you consider your previous national practice to be for this design example?

Q34. How conservative do you consider Eurocode 7 (with your National Annex) to be for this example?

Q35. How does your Eurocode 7 design compare with your previous national practice?

Q36. Please provide any other relevant information needed to understand your solution to this design exercise

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