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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

Herrera Airport

Group 2

Michael Ming HeiCalTech

María C Araya RSN

Cecilio Morales FUNVISIS

Dorian Restrepo CMU

Kenny García FUNVISIS

Claude Jean-PoixHaitiGov


Outline
Outline

  • Methods

    • HVSR

    • REMI

    • MASW

    • SPAC

  • Results

  • Conclusions

N

Herrera Airport (ReMI, Masw and SPAC)

HSVR West Profile

HVSR East Profile


HVSR

  • HVSR

  • Profile1 and Profile2

N

East Profile

West Profile




Hvsr result
HVSR Result

East Profile

West Profile


Remi masw profiles
ReMi – MASW Profiles

  • 3 profiles

Remi & MASW 1

Remi 2

Remi 3




Remi profiles
ReMiProfiles


Masw profile
MASW Profile


Remi masw profiles1
ReMi & MASW Profiles


Methods
Methods

  • SPAC

  • TwoArrays

Array 2

Array 1


Geopsy

SPAC: Three step procedure

Geopsy

Spac2disp

dinver

TARGETED PROFILE


Results at herrera airport
Results At Herrera Airport

  • SPAC South

  • ReMi 1 (Black solid line)


Results at herrera airport1
Results At Herrera Airport

  • SPAC North

  • ReMi 2 (Black solid line)


Conclusions
Conclusions

Herrera Airport


Conclusions1
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


Conclusions2
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.


Thank you
ThankYou

Anyquestions?


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