Results 21 to 30 of about 2,631,711 (310)

A study on the effect of site response on California seismic hazard map assessment

open access: yesFrontiers in Earth Science, 2022
Prior studies have repeatedly shown that probabilistic seismic hazard maps from several different countries predict higher shaking than that observed.
Molly M. Gallahue   +9 more
doaj   +1 more source

Two-Dimensional Seismic Response Analysis to Evaluate the Site Effects of the New Belvedere Bridge (L’Aquila, Central Italy)

open access: yesGeotechnics, 2023
To evaluate the importance of the site effects of large structures such as the new Belvedere Bridge (L’Aquila), which crosses a 25 m deep and 100 m valley in the city, one-dimensional and two-dimensional analyses were used to model the seismic response ...
Ferdinando Totani
doaj   +1 more source

Evaluating the Minimum Number of Earthquakes in Empirical Site Response Assessment: Input for New Requirements for Microzonation in the Swiss Building Codes

open access: yesFrontiers in Earth Science, 2022
Site-specific hazard analyses and microzonation are important products for densely populated areas and facilities of special risk. The empirical amplification function is classically estimated using the standard spectral ratio (SSR) approach.
Vincent Perron   +2 more
doaj   +1 more source

Effects of the 6th September 2002 earthquake: damage amplification in the south-eastern sector of Palermo explained by GIS technology

open access: yesAnnals of Geophysics, 2003
During the 6th September 2002 earthquake the highest damage level in Palermo was observed in the SE sector. This is a recent urbanization area where reinforced concrete structures predominate.
A. Zuccarello   +3 more
doaj   +1 more source

Site investigation for the effects of vegetation on ground stability [PDF]

open access: yes, 2006
The procedure for geotechnical site investigation is well established but little attention is currently given to investigating the potential of vegetation to assist with ground stability.
Wint, J   +5 more
core   +1 more source

Application of Urban Geology in Construction Projects (Case Study: Urban Geology of Sarpol-e Zahab, Kermanshah Province, Iran)

open access: yesIndonesian Journal of Geography, 2021
Urban geology is a preliminary study for the construction and development of cities, which has been more prominent in recent decades in some countries despite its long application history.
Sajad Afzali   +3 more
doaj   +1 more source

SEM3D: A 3D High-Fidelity Numerical Earthquake Simulator for Broadband (0–10 Hz) Seismic Response Prediction at a Regional Scale

open access: yesGeosciences, 2022
In this paper, we present SEM3D: a 3D high-fidelity numerical earthquake simulator that is tailored to predict the seismic wave field of complex earthquake scenarios from the fault to the epicenter site. SEM3D solves the wave-propagation problem by means
Sara Touhami   +6 more
doaj   +1 more source

Modeling Site Effects in the Design and Analysis of Multi-site Trials [PDF]

open access: yesThe American Journal of Drug and Alcohol Abuse, 2011
Careful consideration of site effects is important in the analysis of multi-site clinical trials for drug abuse treatment. The statistical choices for modeling these effects have implications for both trial planning and interpretation of findings.Three broad approaches for modeling site effects are presented: omitting site from the analysis; modeling ...
Daniel J, Feaster   +2 more
openaire   +2 more sources

Site of the Visual Suppression Effect [PDF]

open access: yesNature, 1967
THERE is no general answer to the question of the possible existence and function of a centrifugal pathway to the retina. Evidence for the presence of such a system in mammalian species is controversial, but Holden1 has pointed out that in the case of the pigeon there is substantial anatomical and physiological evidence for a centrifugal system.
openaire   +2 more sources

Site effects and site amplification due to the 2009 Abruzzo earthquake [PDF]

open access: yesWIT Transactions on The Built Environment, 2011
This paper presents the results of numerical analyses carried out to assess the different seismic response of two sites in the urban area of L’Aquila, selected as representative of typical subsoil conditions in the old city centre and in the recently developed suburban Pettino district.
MONACO, Paola   +4 more
openaire   +2 more sources

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