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ORFEUS OBSERVATORY COORDINATION WORKSHOP

ORFEUS OBSERVATORY COORDINATION WORKSHOP Seismic Networks and Acceleration Networks İstanbul , 12-14 November 2012. The Strong-Motion Data in the Western Balkans Zoran Milutinovic.

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ORFEUS OBSERVATORY COORDINATION WORKSHOP

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  1. ORFEUS OBSERVATORY COORDINATION WORKSHOP • Seismic Networks and Acceleration Networksİstanbul, 12-14 November 2012 The Strong-Motion Data in the Western Balkans Zoran Milutinovic Institute of Earthquake Engineering and Engineering SeismologyUniversity “Ss. Cyril and Methodius” in Skopje Skopje, Macedonia

  2. Contents • The Strong-Motion Data in the Western Balkans • Seismic Monitoring, Macedonia • The 3D Strong Motion Array, Ohrid Lake Macedonia

  3. Period: 17.02.1975 - 19.09.1997

  4. Free Field Strong Motion Stations

  5. Instrumented Buildings

  6. Instrumented Dams

  7. MRATINJE DAM (HE PIVA) Pluzine, Montenegro

  8. SALAKOVAC DAM (HE SALAKOVAC) Mostar, Bosnia and Herzegovina

  9. Period: 17.02.1975 - 19.09.1997

  10. Period: 17.02.1975 - 19.09.1997

  11. http://smbase.itsak.gr

  12. EU-SMDB35 (57)

  13. DATABASE

  14. Seismic Monitoring, Macedonia

  15. Seismotectonic and Maximum Observed Seismic Intensity Map

  16. SEISMOLOGICAL AND STRONG MOTION NETWORK Y u g o s l a v i a B u l g a r i a A l b a n i a G r e c e e

  17. Strong Motion Network of Macedonia SMA-1 Accelerographs

  18. NATOSfP983054 | BSHAP NATOSfP 984374 | Improvements in the Harmonized Seismic Hazard Maps for the Western Balkan Countries

  19. NATOSfP983054 | BSHAP NATOSfP 984374 | Improvements in the Harmonized Seismic Hazard Maps for the Western Balkan Countries

  20. The 3D Strong Motion Array, Ohrid Lake Macedonia

  21. Commencement 1976 • Realization in three phases: • Phase I (1980 – 1985): • Investigations: (Geotechnical, Geophysical, Hydrotechnical) • Installation of the entire array • Phase II (1986 – 1988): • Testing (excitations, field forced vibration, frequency range 2 – 40 cpc) • Phase III (1989 – …….): • Exploatation of the network • Several earthquakes (M = 5.0 – 5.5; Albania, Greece, Macedonia)

  22. Plan of Sites of the Ohrid Lake Strong Motion Three Dimensional Array L1 - Building site; L2 and L3 ­characteristic soil; L4 - Outcroping rock

  23. Instrumented Building including the soil profile up to the bedrock (36 Ch) Free field (9 Ch) Outcropping rock (3 Ch) Foundation DENSE 3D STRONG MOTION ARRAY OHRID LAKE VALLEY

  24. Location-1: Building. 9th story Building. 6th story Foundation, Fl Fouodation, F2 Foundation, F3 Foundation, F4 Surface, S 1 Downhole, B1 (101 m) Downhole, B2 (22.9 m) Downhole, B3 (13 m) Location-2: Surface, S 1 Downhole, B1 (125 m) Downhole, B2 (22. m) Downhole, B3 (9,5 m) Location-3: Surface, S 1 Downhole, B1 (99.6 m) Downhole, B2 (21.5 m) Downhole, B3 (9 m) Location-4: Outcropping rock R1

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