Contribución al estudio de cargas sísmicas sobre edificios : Serie Geofísica, tomo VIII, no. 1

According to usual formulae to estímate seismic charges on buildings, strains and stress- es become infinite when resonance is reached. In many buildings proper periods are of the same order as those of the ground during an earthquake. It is to be expected therefore that they inevitably will break d...

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Detalles Bibliográficos
Autor principal: Gershanik, Simón
Formato: Publicacion seriada
Lenguaje:Español
Publicado: 1951
Materias:
Geofísica
edificios
cargas sísmicas
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/159696
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-159696
record_format dspace
spelling I19-R120-10915-1596962023-11-02T20:06:52Z http://sedici.unlp.edu.ar/handle/10915/159696 Contribución al estudio de cargas sísmicas sobre edificios : Serie Geofísica, tomo VIII, no. 1 Gershanik, Simón 1951 2023-11-02T12:28:11Z es Geofísica edificios cargas sísmicas According to usual formulae to estímate seismic charges on buildings, strains and stress- es become infinite when resonance is reached. In many buildings proper periods are of the same order as those of the ground during an earthquake. It is to be expected therefore that they inevitably will break down, and there is no rule to dimensión their resisting structures. As these results do not seem satisfactory, the whole question is reviewed and it is shown that assuming for the ground a transient sinus movement with finite acceleration, and that the building is at rest at the beginning of the quake, strains become infinite when resonance is reached, only if duration of earthmovement is infinite too. Strains may be infinite, buildings being or not in resonance, when earthmovement acceleration is infinite. Since none of this cases is real, strains and stresses to be expected are finite. New formulas are given to calcúlate them. To do this, not only a reasonable period and an amplitude of the earthmovement must be given, but a reasonable finite duration too. Strains on damped buildings can be determined with formulae (54) and (66); on no damp- ed ones when there is resonance with formulae (59) and (68) and with formulae (55) and (67), when resonance is not reached. Material digitalizado en SEDICI gracias a la Biblioteca de la Facultad de Ciencias Astronómicas y Geofísicas. Observatorio Astronómico de la Universidad Nacional de La Plata Publicacion seriada Publicacion seriada http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Geofísica
edificios
cargas sísmicas
spellingShingle Geofísica
edificios
cargas sísmicas
Gershanik, Simón
Contribución al estudio de cargas sísmicas sobre edificios : Serie Geofísica, tomo VIII, no. 1
topic_facet Geofísica
edificios
cargas sísmicas
description According to usual formulae to estímate seismic charges on buildings, strains and stress- es become infinite when resonance is reached. In many buildings proper periods are of the same order as those of the ground during an earthquake. It is to be expected therefore that they inevitably will break down, and there is no rule to dimensión their resisting structures. As these results do not seem satisfactory, the whole question is reviewed and it is shown that assuming for the ground a transient sinus movement with finite acceleration, and that the building is at rest at the beginning of the quake, strains become infinite when resonance is reached, only if duration of earthmovement is infinite too. Strains may be infinite, buildings being or not in resonance, when earthmovement acceleration is infinite. Since none of this cases is real, strains and stresses to be expected are finite. New formulas are given to calcúlate them. To do this, not only a reasonable period and an amplitude of the earthmovement must be given, but a reasonable finite duration too. Strains on damped buildings can be determined with formulae (54) and (66); on no damp- ed ones when there is resonance with formulae (59) and (68) and with formulae (55) and (67), when resonance is not reached.
format Publicacion seriada
Publicacion seriada
author Gershanik, Simón
author_facet Gershanik, Simón
author_sort Gershanik, Simón
title Contribución al estudio de cargas sísmicas sobre edificios : Serie Geofísica, tomo VIII, no. 1
title_short Contribución al estudio de cargas sísmicas sobre edificios : Serie Geofísica, tomo VIII, no. 1
title_full Contribución al estudio de cargas sísmicas sobre edificios : Serie Geofísica, tomo VIII, no. 1
title_fullStr Contribución al estudio de cargas sísmicas sobre edificios : Serie Geofísica, tomo VIII, no. 1
title_full_unstemmed Contribución al estudio de cargas sísmicas sobre edificios : Serie Geofísica, tomo VIII, no. 1
title_sort contribución al estudio de cargas sísmicas sobre edificios : serie geofísica, tomo viii, no. 1
publishDate 1951
url http://sedici.unlp.edu.ar/handle/10915/159696
work_keys_str_mv AT gershaniksimon contribucionalestudiodecargassismicassobreedificiosseriegeofisicatomoviiino1
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