Seismic hazard in San Andrés y Providencia
Aa, Av, Ae and Ad for its 2 municipalities under the NSR-10.
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According to Appendix A-4 of the NSR-10, of the 2 municipalities of San Andrés y Providencia, all are in the low seismic hazard zone. The capital, San Andrés, has Aa = 0.10 and Av = 0.10, low hazard.
- Municipalities
- 2
- Capital
- San Andrés
- Aa / Av of the capital
- 0.10 / 0.10
- High hazard
- 0
- Intermediate hazard
- 0
- Low hazard
- 2
Municipalities of San Andrés y Providencia
Values from Appendix A-4 of the NSR-10. Tap a municipality to open its design spectrum.
| Municipality | Code | Aa | Av | Zone | Ae | Ad |
|---|---|---|---|---|---|---|
| San Andrés | 88001 | 0.10 | 0.10 | Low | 0.05 | 0.03 |
| Providencia y Santa Catalina | 88564 | 0.10 | 0.10 | Low | 0.05 | 0.03 |
What does it mean for design in San Andrés y Providencia?
Municipalities in the low hazard zone. In reinforced concrete, the NSR-10 accepts structures with minimum energy dissipation capacity (DMI) in the low hazard zone, with the simplest detailing, and for occupancy groups I and II it limits the irregularity checks to a few types (A.3.3.6).
The municipality's value is only the starting point: the soil profile sets the coefficients Fa and Fv, and the occupancy group sets the importance factor. Work out the full spectrum with the NSR-10 design spectrum, or look up another municipality in the seismic hazard tool.
Frequently asked questions
What seismic hazard zone is San Andrés in?
In the low seismic hazard zone: Aa = 0.10 and Av = 0.10, according to Appendix A-4 of the NSR-10.
Which municipalities of San Andrés y Providencia have the highest seismic hazard?
The department's highest coefficient, 0.10, is found in San Andrés y Providencia and Santa Catalina.
How many municipalities of San Andrés y Providencia are in each seismic hazard zone?
Of 2 municipalities, 0 are in the high hazard zone, 0 in the intermediate zone and 2 in the low zone (NSR-10, Appendix A-4).
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Last updated:
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