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Espectros de diseño sísmico
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En este documento se presentan los espectros de diseño, como se generan y como se utilizan.
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Universidad Diego PortalesIngeniería Civil en Obras Civiles
Ingeniería sísmica
2° semestre 2022.
Profesor Pablo Alcaíno R.
palcaino@uc.cl
, Ingeniería Sísmica
Capítulo 1. Introducción a la sismología genera
, 1. Motivación.
1.1. El problema sísmico.
“… vino repentinamente un temblor de tierra y terremoto en aquella ciudad, tan grande
cayeron la mayor parte de las casas, y el suelo se abrió por tantas partes que era admira
verlo; de manera que los que andaban por la ciudad no sabían qué se hacer, creyendo que
se acababa, porque veían por las aberturas de la tierra salir grandes borbollones de agua n
hedor a azufre pésimo y malo que parecía cosa de infierno: los hombres andaban des
atónitos, hasta que cesó el temblor. Luego vino la mar con tanta soberbia que anegó mucha
pueblo, y retirándose más de lo ordinario mucho, volvía con grandísimo ímpetu y braveza a
por la ciudad. Los vecinos y estantes se subían a lo alto del pueblo desamparando las pa
estaban bajas, creyendo perecer …“
(Terremoto del 8 de febrero de 1570 en Concepción, Alonso de Góngora Ma
, 1. Motivación.
• Terremoto de Chile, 27 de febrero de 2010.
Figure 6. Liquefaction and lateral spreading-induced Figure 7. Slope failure on Route 160 in Lota (photo:
damage at the Port of Coronel (photo: GEER, 2010). GEER 2010).
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