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Herrera Airport

Herrera Airport. Group 2 Michael Ming Hei CalTech María C Araya RSN Cecilio Morales FUNVISIS Dorian Restrepo CMU Kenny García FUNVISIS Claude Jean- Poix Haiti Gov. Outline. Methods HVSR REMI MASW SPAC Results Conclusions. N. Herrera Airport ( ReMI , Masw and SPAC).

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Herrera Airport

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  1. Herrera Airport Group 2 Michael Ming HeiCalTech María C Araya RSN Cecilio Morales FUNVISIS Dorian Restrepo CMU Kenny García FUNVISIS Claude Jean-PoixHaitiGov

  2. Outline • Methods • HVSR • REMI • MASW • SPAC • Results • Conclusions N Herrera Airport (ReMI, Masw and SPAC) HSVR West Profile HVSR East Profile

  3. HVSR • HVSR • Profile1 and Profile2 N East Profile West Profile

  4. HVSR

  5. HVSR

  6. HVSR Result East Profile West Profile

  7. ReMi – MASW Profiles • 3 profiles Remi & MASW 1 Remi 2 Remi 3

  8. ReMi

  9. MASW

  10. ReMiProfiles

  11. MASW Profile

  12. ReMi & MASW Profiles

  13. Methods • SPAC • TwoArrays Array 2 Array 1

  14. SPAC: Three step procedure Geopsy Spac2disp dinver TARGETED PROFILE

  15. Results At Herrera Airport • SPAC South • ReMi 1 (Black solid line)

  16. Results At Herrera Airport • SPAC North • ReMi 2 (Black solid line)

  17. Conclusions Herrera Airport

  18. Conclusions HVSR 3 periods for each site discarded the biggest cause of high uncertainty. The other 2 were between 0.3 - 0.4 hz and 0.8 - 1.4 hz • MASW • The only profile was compared with REMI showing a good fit between them • REMI • 5 layers • Max depth around160m and > 2000 m/s for Vs. • Low velocity layer between 45 - 100m of depth • Airport soil is Class B • SPAC • No low frequencies at the p-f plot, which make it difficult to identify this range. • Spac results present high misfit. They however are in good agreement with other methods

  19. Conclusions HVSR • High influence on high frequencies. • Uncertainty in the analysis. • Provides a fast estimate of the basin shape and depth. • MASW • Easy to make the site caracterizacion but it takes more time for the acquition of data. • REMI • Easy to classify a site and do the caracterization. • Very fast analysis, and good resolution of penetration. • SPAC • Time consuming on data acquisition and analysis. • Special needs for the site to be able to do the acquisition.

  20. ThankYou Anyquestions?

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