Results 31 to 40 of about 5,391,447 (354)

Cell-automaton energy model of the earthquake focus

open access: yesГеофизический журнал, 2011
The energy one-dimensional cellular automaton model of a seismic source is offered which represents modification of model of seismicity. The outcomes of numerical calculations are adduced and the comparison of obtained relations to physical model ...
V. E. Kulchytskyi
doaj   +1 more source

Seismic assessment of plain concrete arch bridges by three dimensional simulation using geometrical and mechanical properties [PDF]

open access: yesJournal of Structural and Construction Engineering, 2018
There are numerous old arch bridges in Iran that have been used as railway bridges for more than seventy years. Since most of these bridges are not designed for earthquake excitation, seismic vulnerability of these structures is uncertain.
Adel Mahmoudi Moazam   +2 more
doaj   +1 more source

Feasibility of using neural networks to obtain simplified capacity curves for seismic assessment [PDF]

open access: yes, 2018
The selection of a given method for the seismic vulnerability assessment of buildings is mostly dependent on the scale of the analysis. Results obtained in large-scale studies are usually less accurate than the ones obtained in small-scale studies.
Calvi, Estêvão, Waszczyszyn
core   +1 more source

Seismic assessment of earthquake‐resilient tall pier bridges using rocking foundation retrofitted with various energy dissipation devices

open access: yesStructural Control & Health Monitoring, 2020
While conventional seismic isolation bearings are usually inefficient for bridges with tall piers, rocking foundation is a promising approach mitigating their seismic demands and improving post‐earthquake resilience.
Xu Chen, Chunxiang Li
semanticscholar   +1 more source

Attenuation characteristics analysis of seismic energy and its application to risk assessment in underground coal mines

open access: yesGeomatics, Natural Hazards & Risk, 2022
Seismic energy analysis is the basis of coal burst risk assessment. The prerequisite for utilizing seismic energy to quantify coal burst hazards is the accurate understanding of seismic energy attenuation.
Yaoqi Liu   +6 more
doaj   +1 more source

Interpreting intraplate tectonics for seismic hazard : a UK historical perspective [PDF]

open access: yes, 2012
It is notoriously difficult to construct seismic source models for probabilistic seismic hazard assessment in intraplate areas on the basis of geological information, and many practitioners have given up the task in favour of purely seismicity-based ...
Arup   +16 more
core   +2 more sources

Strain and deformation angle for a steel pipe elbow using image measurement system under in-plane cyclic loading

open access: yesNuclear Engineering and Technology, 2018
Maintaining the integrity of the major equipment in nuclear power plants is critical to the safety of the structures. In particular, the soundness of the piping is a critical matter that is directly linked to the safety of nuclear power plants. Currently,
Sung-Wan Kim   +4 more
doaj   +1 more source

Seismic fragility evaluation of the base-isolated nuclear power plant piping system using the failure criterion based on stress-strain

open access: yesNuclear Engineering and Technology, 2019
In the design criterion for the nuclear power plant piping system, the limit state of the piping against an earthquake is assumed to be plastic collapse. The failure of a common piping system, however, means the leakage caused by the cracks.
Sung-Wan Kim   +3 more
doaj   +1 more source

Model of seismic hazard of the northwestern part of the Black Sea

open access: yesГеофизический журнал, 2012
Characteristics of seismic hazard assessment of marine areas have been considered. Modeling of seismic hazard of northwestern part of the Black Sea shelf is made on the basis of the developed models of seismicity, seismic sources, attenuation of the ...
B. G. Pustovitenko   +2 more
doaj   +1 more source

Combining ground penetrating radar and seismic surveys in the assessment of cultural heritage buildings: The study of roofs, columns, and ground of the gothic church Santa Maria del Mar, in Barcelona (Spain) [PDF]

open access: yes, 2019
Combined non-destructive techniques are applied in the study of a historical building in Barcelona. Santa Maria del Mar is a magnificent Mediterranean gothic church built between 1329 and 1383.
Caselles Magallón, Josep Oriol   +4 more
core   +2 more sources

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