This study also presents the seismic assessment of a repaired highway bridge. Due to its location, the plant was designed with special provisions for earthquakes and required seismic monitoring. Performance based design procedures are not included in the chilean seismic design code for buildings, nevertheless the earthquake experience has shown. For this purpose the nonlinear timehistory analysis is performed on the spatial model where the structure is exposed to. Proposal asce003 20121129hooper expanded commentary to. May 16, 2016 chilean seismic design practice has achieved almost operational performance level, despite the fact that the chilean code uses life safety performance level. The present article points out some of the most important prescriptions in the. Systematic research is done at the university of chile in santiago. In spite of the large number of destroyed houses 58,581 and. The evolution of the bridge design codes in chile has been influenced by the damage observed in bridges during recent earthquakes. The overall characteristics of these codes are discussed. We calculate seismic hazard, risk, and design criteria across south america using the latest data, models, and methods to support public officials, scientists, and engineers in earthquake risk mitigation efforts. Earthquake engineering research in chile has been carried out for more than 30 years. A brief history and the characteristics of the seismic region and events in chile reveal interesting indices in understanding the present day chilean seismic design code.
Earthquakeresistant design of industrial structures and facilities. Seismic performance of highrise concrete buildings in chile ctbuh. General rules, seismic actions and rules for buildings. The 2nd edition aisc seismic design manual is now available.
Analysis of seismic design criteria of santo domingo church, a. Performancebased seismic design for tall buildings performancebased seismic design pbsd is a structural design methodology that has become more common in urban centers around the world, particularly for the design of highrise buildings. Other universities such as the catholic university, university of concepcion, and the federico santa maria technical university have begun to teach and conduct research in earthquake engineering in recent years. Assessment of korean seismic design practice for lowrise. In japan the seismic design requirements are specified in the building standard law of japan which applies to all buildings throughout the country.
The four site coefficients s1 to s4 of the ubc 1994, which are independent of the level of ground shaking, were expanded to six soil profile types, which are dependent on the seismic zone factors. Learning earthquake tip 23 earthquake design construction. A second part of the design process is the determination of the seismic design forces. Arias7 abstract in this paper, several critical issues based on field observed bridge performance are. Hamza, in reference module in materials science and materials engineering, 2016. Comparison of the usa, china and japan seismic design procedures. Implication of the seismic code on the seismic design of bridges in algeria. Introduction performancebased seismic assessment has developed significantly in. Pdelta effects are explicitly considered in seismic design in canada, the u. Seismic design specification for buildings, structures. Comparison of the usa, china and japan seismic design.
Lessons from the 2010 chile earthquake for performance based design and code development. Examples are shown with lrfd and asd design methodologies sidebyside. Many variables exist between earthquakes and their effect on the built environment. Geotechnical, geological and earthquake engineering, vol 32. Present status of earthquake preparedness activities in chile e. Sdc would like to contribute to the dissemination of knowledge on seismic design of buildings by translating this. The basis for 21 this design requirement is twofold. Sdc would like to contribute to the dissemination of knowledge on seismic design of buildings by translating this fwog publication in english and thus extend. Even when nch2369 provides requirements for design and detailing of steel structures it also refers to aisc seismic provisions 2 as a complementary source of information. Seismic conceptual design of buildings basic principles. You can request or register a doi for this network using the network update form. Page 4 of 207 1 chapter c11 2 seismic design criteria 3 c11.
The early 2000s seismic design approach is to design the structure for adequate strength and ductility for the design seismic forces and then to check that the resulting interstory displacements are satisfactory. This practiceoriented, allinclusive reference is the only book devoted entirely to the seismic design of buildings. Aisc seismic design manual civil engineering community. This appendix provides an english translation of chilean standard nch433. To ensure that the design has fully identified the seismic forceresisting system and its appropriate design. The structural characteristics of and damage in thirteen reinforced concrete buildings in vina del mar and valparaiso are also described. Seismic hazard, risk, and design for south americaseismic. Effects of changes in seismic design criteria in the. Comparison of chilean and us seismic design provisions for. Work will also document similarities and differences in seismic analysis and design practice for new buildings as performed in the united states and chile. This paper is part of this process in that it makes comparisons between the current design provisions and additional reference materials available for use in the united states and those currently used in chile.
Structures classified as risk category iv that are located where the mapped spectral response acceleration parameter at 1second period, s1, is greater than or equal to 0. Practical lessons for concrete wall design, based on studies of the 2010 chile earthquake. Present status of earthquake preparedness activities in chile. Practical lessons for concrete wall design, based on. In chile, the codes related to earthquake engineering practice are divided into two major. Introduction performancebased seismic assessment has developed significantly in the past 20 years. Design of structures for earthquake resistance part 1. Of96, seismic design of buildings, originally published in spanish. Seismic monitoring system chile the gnl mejillones liquefied natural gas lng plant contributes to energy security and reliability of natural gas supply to the mining industry in northern chile. Seismic design philosophy of highway bridges in chile according to the chilean bridge design code mop, 2017, which is largely based on aashto 1996, bridges, and pedestrian bridges that do not have free spanlengths greater than 70 meters shall be designed to have a very low probability of.
Practiced in chile since 1930s and in mexico since 1940s. Design, testing and strengthening of soft storey of mult. It fills the gap between theory and practice with strong howto emphasis throughout. Updated continental scale seismic hazard models are based on a new seismicity catalog, seismicity rate models, evaluation of. It may be reproduced without changing its contents. Background the chile and japan governments, though its international cooperation agencies agcid and jica, respectively agree to carry out the kizunas project human resources training.
The sole purpose of the seismic code is to calculate and design structures so they do not collapse during a maximum earthquake. Yen2, ian buckle3, tony allen4, daniel alzamora5, jeffrey ger6, and juan g. A proper, continuous load path is an obvious design requirement, but 20 experience has shown that it often is overlooked and that significant damage and collapse can result. Analysis of seismic design criteria of santo domingo. When they do collapse, circumstances exist that were outside the design parameters. Chile back to seismic design code index back to country index code name. Chilean seismic design practice has achieved almost operational performance level, despite the fact that the chilean code uses life safety performance level. Construction of design response spectrum the chilean way. In chile, pdelta effects are effectively minimised by means of more stringent drift limits. Practical lessons for concrete wall design, based on studies. Pdf analysis of seismic design criteria of santo domingo.
Map of the 2010 chile earthquake, showing the epicentre along the coastline. Seismic design and behaviour of confined masonry buildings. Seismic conceptual design of buildings basic principles for. The effectiveness of the repair measures is analyzed performing nonlinear analyses and. This spectrum were done taking as a start point normalized version of the response spectra obtained from different accelerograms recorded for the following earthquakes. The seismic design manual includes hundreds of pages of comprehensive design examples, including connections, updated for the 2010 aisc seismic provisions. Comparison of seismic design provisions for buckling. A digital object identifier doi is a standardized way of identifying electronic records, and can be used to automatically generate citation text. Department of commerce national institute of standards and technology engineering laboratory gaithersburg, md 20899 by nehrp consultants joint venture a partnership of the applied technology council and the. Empresa nacional del petroleo enap prepared the translation for its own use. Seismic design specification for buildings, structures, equipment, and systems. In chile, seismic design of industrial buildings and facilities is regulated by chilean code nch2369. This thesis explores the effects of employing an affordable seismic base isolator sbi in adobe dwellings in chile.
Characteristic features and a comparison with some of the provisions of the romanian seismic design code. Special emphasis is given to the seismic design code provisions that define the expected level. The effects of changes in the seismic design criteria after the 2010 maule earthquake were discussed by comparing the fragility curves obtained from bridges designed using different versions of the bridge design manual. Based on statistics of recorded damage published after the earthquake, some comments are made about the importance of the quality of seismic codes and of the. The main modifications to chilean seismic design code for building nch 433 of 96 due to the lesson of 2010 earthquake are presented. Analysis of seismic design criteria of santo domingo church. Jun 07, 2014 the seismic design manual includes hundreds of pages of comprehensive design examples, including connections, updated for the 2010 aisc seismic provisions. Pdf lessons from the 2010 chile earthquake for performance. How effective are ec8 and recommended aashtolrfd criteria for regular seismic behavior of ductile. The sbi is formed by two components located between the footing and the foundation wall of the adobe housing unit, acting together during the seismic event. V international course seismic design criteria in bridge. Since the first seismic code was introduced in japan in 1924, the japanese seismic design provisions.
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