The Chile Earthquake of March 3, 1985—Introduction

doi:10.1193/1.1585311

Cited by 13 publications

(3 citation statements)

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“…For all selected subduction earthquakes, there is a significant reduction in the potential for collapse in structural wall buildings from that in frame buildings. These results are consistent with the observed building response in 1985 Chile (Wyllie et al 1986, Wood 1991), 1985Mexico (Noreña et al 1989), 2007Peru (INDECI 2009, 2010 Chile (Lagos et al 2012, Wallace et al 2012, 2011 Great East Japan (Miyamoto et al 2012), and 2016Ecuador (GEER Association 2016.…”

Section: Results Of Evaluation Of I D For Subduction Earthquakes (Group Ii Ground Motions)supporting

confidence: 81%

“…The selected accelerograms were recorded in locations where building damage occurred. These were the 1985 Chile earthquake (Wyllie et al 1986, Wood 1991, the 1994 Northridge earthquake (Holmes and Somers 1996), the 1995 Kobe earthquake (EERI 1995), the 1999 Chi-Chi earthquake (Uzarski and Arnold 2001), the 1999 Duzce earthquake (Anderson et al 2000), (INDECI 2009), the 1985 Mexico earthquake (Noreña et al 1989), the 2010 Maule earthquake (Lagos et al 2012, Wallace et al 2012, the 2011 Great East Japan earthquake (Miyamoto et al 2012), the 2011 Christchurch earthquake (Kam and Pampanin 2011), and the 2016 Ecuador earthquake (GEER Association 2016). The last accelerogram was not included in the previous study by Rodriguez (2015).…”

Section: Earthquake Ground Motionsmentioning

confidence: 99%

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Damage Index for Different Structural Systems Subjected to Recorded Earthquake Ground Motions

Rodrı́guez¹

2018

Earthquake Spectra

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This study quantifies the damage index previously proposed by the writer ( Rodriguez 2015 ) for different structural systems subjected to a set of earthquake ground motions recorded during 12 strong earthquakes in different countries. Damage spectra were also computed using this seismic damage index. This study revisits the previously proposed index and shows that this index can also be interpreted as a ratio of velocities in the structural system responding to the earthquake demand. In addition, this study gives a more general damage analysis interpretation than that of the previous study since damage spectra were computed to assess the damage potential of a given recorded earthquake ground motion for different types of earthquake-resisting systems. The results from the damage analysis are consistent with the findings from previous research: most structural wall buildings show satisfactory earthquake performance, whereas frame buildings frequently show severe damage and collapse.

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Section: Results Of Evaluation Of I D For Subduction Earthquakes (Group Ii Ground Motions)supporting

confidence: 81%

Section: Earthquake Ground Motionsmentioning

confidence: 99%

Damage Index for Different Structural Systems Subjected to Recorded Earthquake Ground Motions

Rodrı́guez¹

2018

Earthquake Spectra

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“…In reality, however, seismic site response is influenced not only by the local (i.e., 1-D) site conditions but also by the three-dimensional (3-D) environment, such as bedrock slope, geometry of the soft soil layers, and topographical irregularities. One of the main pieces of empirical evidence of 3-D amplification effects comes both from the concentration of structural damage near topographic irregularities (such as a hill, a ridge, a canyon, a cliff, or a slope) as observed during past and recent earthquakes (e.g., Wyllie andBolt 1986, Çelebi 1987) and instrumental data (e.g., Davis and West 1973), clearly indicating that surficial morphology and topography can affect the propagation of seismic motion, which, in turn, can lead to significantly modified levels of ground shaking because of scattering, diffraction, or trapping of waves.…”

Section: Introductionmentioning

confidence: 99%

Does the One-Dimensional Assumption Hold for Site Response Analysis? A Study of Seismic Site Responses and Implication for Ground Motion Assessment Using KiK-Net Strong-Motion Data

Pilz

Cotton

2019

Earthquake Spectra

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The one-dimensional (1-D) approach is still the dominant method to incorporate site effects in engineering applications. To bridge the 1-D to multidimensional site response analysis, we develop quantitative criteria and a reproducible method to identify KiK-net sites with significant deviations from 1-D behavior. We found that 158 out of 354 show two-dimensional (2-D) and three-dimensional (3-D) effects, extending the resonance toward shorter periods at which 2-D or 3-D site effects exceed those of the classic 1-D configurations and imposing an additional amplification to that caused by the impedance contrast alone. Such 2-D and 3-D effects go along with a large within-station ground motion variability. Remarkably, these effects are found to be more pronounced for small impedance contrasts. While it is hardly possible to identify common features in ground motion behavior for stations with similar topography typologies, it is not over-conservative to apply a safety factor to account for 2-D and 3-D site effects in ground motion modeling.

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Evaluation of a proposed damage index for a set of earthquakes

Rodrı́guez

2014

Earthq Engng Struct Dyn

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Summary A damage index computed for a set of ground motions recorded in 11 earthquakes, including the 1985 Mexico City earthquake, the 2010 Chile earthquake, the 2011 Christchurch earthquake, and the 2011 Great East Japan earthquake, is proposed in this paper. The proposed damage index uses some basic parameters of the response of an SDOF system including the maximum hysteretic energy per unit mass that a structure can dissipate under strong ground motions. Control of lateral displacements, especially roof drift ratio of buildings, was found to be important in minimizing seismic damage. The values and distribution of the computed damage index are consistent with global building damage observations for the selected earthquakes. Copyright © 2014 John Wiley & Sons, Ltd.

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The Chile Earthquake of March 3, 1985—Introduction

Cited by 13 publications

References 0 publications

Damage Index for Different Structural Systems Subjected to Recorded Earthquake Ground Motions

Damage Index for Different Structural Systems Subjected to Recorded Earthquake Ground Motions

Does the One-Dimensional Assumption Hold for Site Response Analysis? A Study of Seismic Site Responses and Implication for Ground Motion Assessment Using KiK-Net Strong-Motion Data

Evaluation of a proposed damage index for a set of earthquakes

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