Evolution of Seismic Site Classification According to the Criteria in Chilean Design Codes

Design codes establish seismic site classifications to determine the seismic demand of a structure according to the response of the soil foundation under the action of earthquake ground motions; the site classification can even condition the feasibility of a project. The occurrence of great earthqua...

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Autor principal:	Edgar Giovanny Diaz-Segura
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	seismic site classification seismic design codes earthquake resistance design design criteria soil response Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/37a5920d390b44d8bea349ea8b846fe1
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spelling	oai:doaj.org-article:37a5920d390b44d8bea349ea8b846fe12021-11-25T16:37:26ZEvolution of Seismic Site Classification According to the Criteria in Chilean Design Codes10.3390/app1122107542076-3417https://doaj.org/article/37a5920d390b44d8bea349ea8b846fe12021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/22/10754https://doaj.org/toc/2076-3417Design codes establish seismic site classifications to determine the seismic demand of a structure according to the response of the soil foundation under the action of earthquake ground motions; the site classification can even condition the feasibility of a project. The occurrence of great earthquakes in Chile has tested its design codes, generating much information and experience regarding the seismic design of structures that have allowed researchers to identify variations in seismic demands according to the kind of ground foundation and to propose seismic site classification methods in Chilean regulations since the 1930s; countries in the vanguard of seismic design, such as the USA, Japan, and New Zealand, proposed methods even earlier. In this document, the evolution of methodologies for seismic site classification according to the criteria in Chilean codes is analysed from their implementation in the 1930s to the most recently proposed design code NCh 433, 2018–2021. Although the distinctive features of each country shape the criteria in their design codes, clear knowledge of the evolution of established criteria from their origins is considered an important tool that contributes to the better understanding, interpretation and application of the seismic site classification methodologies contained in a design code with better criteria. Likewise, the review indicates a distinct need to conduct a continuous evaluation of the classification criteria supported by records of new earthquakes, as well as by physical and numerical models that allow incorporating variables which condition the response of the terrain such as topography, lateral heterogeneities, and basic effects.Edgar Giovanny Diaz-SeguraMDPI AGarticleseismic site classificationseismic design codesearthquake resistance designdesign criteriasoil responseTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10754, p 10754 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	seismic site classification seismic design codes earthquake resistance design design criteria soil response Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	seismic site classification seismic design codes earthquake resistance design design criteria soil response Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Edgar Giovanny Diaz-Segura Evolution of Seismic Site Classification According to the Criteria in Chilean Design Codes
description	Design codes establish seismic site classifications to determine the seismic demand of a structure according to the response of the soil foundation under the action of earthquake ground motions; the site classification can even condition the feasibility of a project. The occurrence of great earthquakes in Chile has tested its design codes, generating much information and experience regarding the seismic design of structures that have allowed researchers to identify variations in seismic demands according to the kind of ground foundation and to propose seismic site classification methods in Chilean regulations since the 1930s; countries in the vanguard of seismic design, such as the USA, Japan, and New Zealand, proposed methods even earlier. In this document, the evolution of methodologies for seismic site classification according to the criteria in Chilean codes is analysed from their implementation in the 1930s to the most recently proposed design code NCh 433, 2018–2021. Although the distinctive features of each country shape the criteria in their design codes, clear knowledge of the evolution of established criteria from their origins is considered an important tool that contributes to the better understanding, interpretation and application of the seismic site classification methodologies contained in a design code with better criteria. Likewise, the review indicates a distinct need to conduct a continuous evaluation of the classification criteria supported by records of new earthquakes, as well as by physical and numerical models that allow incorporating variables which condition the response of the terrain such as topography, lateral heterogeneities, and basic effects.
format	article
author	Edgar Giovanny Diaz-Segura
author_facet	Edgar Giovanny Diaz-Segura
author_sort	Edgar Giovanny Diaz-Segura
title	Evolution of Seismic Site Classification According to the Criteria in Chilean Design Codes
title_short	Evolution of Seismic Site Classification According to the Criteria in Chilean Design Codes
title_full	Evolution of Seismic Site Classification According to the Criteria in Chilean Design Codes
title_fullStr	Evolution of Seismic Site Classification According to the Criteria in Chilean Design Codes
title_full_unstemmed	Evolution of Seismic Site Classification According to the Criteria in Chilean Design Codes
title_sort	evolution of seismic site classification according to the criteria in chilean design codes
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/37a5920d390b44d8bea349ea8b846fe1
work_keys_str_mv	AT edgargiovannydiazsegura evolutionofseismicsiteclassificationaccordingtothecriteriainchileandesigncodes
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Evolution of Seismic Site Classification According to the Criteria in Chilean Design Codes

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