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Mostrando ítems 1-10 de 31
Resultados del procesamiento de los acelerogramas del Instituto Nacional de Seguros. Sismo de Golfito, 3 de abril de 1983
(1987-07-06)
Procesamiento de los registros de aceleración obtenidos en la estación acelerográfica instalada por la Universidad de Costa Rica en un edificio de concreto reforzado (sede central del Instituto Nacional de Seguros). La ...
Proceedings of the NSF/UCR U.S.-Costa Rica Workshop on the Costa Rica earthquakes of 1990-1991 : Effects on soils and structures
(1993-01)
On April 22, 1991 a major earthquake (Ms= 7.5) shook the eastern part of Costa Rica and northeastern Panama. The earthquake caused 53 deaths, left 30,000 people homeless, and caused over half a billion dollars in property ...
Dynamic Properties of Modified Systems
(1985-08-19)
A set of methods is presented for convenient calculation of the changes in the frequency and shape of any mode of undamped vibration of a structure due to changes in the parameters of the system. Previously reported methods ...
Current seismic design regulations for Costa Rica
(1988-08-29)
Some comments on the earthquake engineering development in Costa Rica are given. A description of the newly started Strong Motion Instrumentation Program is given. The description includes remarks on both free field strong ...
Preliminary Report on the Seismological and Engineering Aspects of the January 17, 1994 Northridge Earthquake
(1994-01-24)
This report on the seismological and engineering aspects of the 17 January, 1994, Northridge earthquake was printed on 24 January, 1994, one week after the main event. Its purpose is to provide a brief overview of preliminary ...
Informe Preliminar de daños causados por el sismo de Cóbano, 25/03/90. Hospital Monseñor Sanabria, Puntarenas
(1990-03-29)
Informe preliminar sobre los daños observados en la Torre de Pacientes del Hospital Monseñor Sanabria como consecuencia del sismo de Cóbano del 25 de marzo 1990. Se trata de material obtenido en trabajo de campo exhaustivo ...
Ductile Concrete End-Diaphragms of Slab-on-Girder Concrete Bridges
(2022-01)
In this paper, the results of the proposed ductile precast concrete end-diaphragm beams for the transverse seismic resistance and protection of the substructure of slab-on-girder concrete bridges, tested at the facilities ...
Lucem Aspicio con compromiso sanitario
(2020-05-06)
Antes del 15 de abril de 2020, la más reciente renuncia de un rector en ejercicio habría ocurrido
el 19 de febrero de 1988, fecha en que el Dr. Fernando Durán Ayanegui presentó su carta de
renuncia diferida e irrevocable ...
Uso de barras de refuerzo en el concreto estructural
(2013-05-21)
Se presenta la justificación tecnica para el uso de barras de refuerzo en el concreto estructural de diferentes especificaciones. Se revisa brevemente el origen de dos tipos de barras de refuerzo, la ASTM A615 y la ASTM ...
Spectral Strong Motion Attenuation in Central America
(1994)
A bayesian regression analysis of response spectral ordinates based on 218 digitized strong ground motion accelerograms (largest horizontal component) from Central America, augmented by 62 similar, high-magnitude observations ...