Results 11 to 20 of about 1,392 (164)

Seismic Energy Response of SDOF Systems Subjected to Long-Period Ground Motion Records

open access: yesAdvances in Civil Engineering, 2021
To provide an important reference for the energy-based seismic design of long-period structures, the elastoplastic dynamic analysis program is employed to study the seismic energy response of single-degree-of-freedom (SDOF) systems under two types of ...
Yu Cheng   +4 more
doaj   +1 more source

Investigation of Uplift force effects on Seismic Damage of Concrete Gravity Dam in the Near-Fault and Far-Fault Ground Motions:Case Study Shafaroud Dam [PDF]

open access: yesJournal of Structural and Construction Engineering, 2019
Uplift force has significant role on dynamic response of concrete gravity dams and also seismic response of dams in near field motion can be considerably different from those observed in the far field and the near –fault ground motions can cause ...
Farhoud Kalateh, Amir Ghamatloo
doaj   +1 more source

Seismic Response of Skewed Integral Abutment Bridges under Near-Fault Ground Motions, Including Soil–Structure Interaction

open access: yesApplied Sciences, 2021
Studies on the seismic response of skewed integral abutment bridges have mainly focused on response under far-field non-pulse-type ground motions, yet the large amplitude and long-period velocity pulses in near-fault ground motions might have significant
Qiuhong Zhao, Shuo Dong, Qingwei Wang
doaj   +1 more source

Seismic Response of a Historical Masonry Bridge under Near and Far-fault Ground Motions

open access: yesPeriodica Polytechnica Civil Engineering, 2021
Historical masonry arch bridges which might be vulnerable to natural disasters are important part of the cultural heritage. Natural disasters, especially earthquakes can inflict damage to these structural systems. This paper aims to investigate a comparison of the effects of near and far-fault ground motions on the seismic response of masonry arch ...
Alper Özmen, Erkut Sayın
openaire   +2 more sources

Assessment of Near-Fault Ground Motion Effects on the Fragility Curves of Tall Steel Moment Resisting Frames [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2020
Nowadays it is common to use the fragility curves in probabilistic methods to determine the collapse probability resulting from an earthquake. The uncertainties exist in intensity and frequency content of the earthquake records are considered as the most
Seyed Ahmad Mobinipour   +1 more
doaj   +1 more source

Seismic Response Analysis of a Curved Bridge under Near-Fault and Far-Field Ground Motions

open access: yesApplied Sciences, 2022
To study the influence of near-fault and far-field (FF) ground motions on a curved girder bridge, a 1:10 scale curved bridge shaking table test model was constructed. Three types of ground motions, namely, near-fault pulse (NP), near-fault non-pulse (NN),
Peng Su   +4 more
doaj   +1 more source

Study on the shock-absorbing effect of a new staggered story isolated structure under the long-period earthquake motion

open access: yesFrontiers in Earth Science, 2023
The finite element model of a new staggered story isolated structure is established. Using the time-history analysis method, the dynamic response state of the structure at each time step is calculated by integrating the acceleration time-history data ...
Tong Shu   +6 more
doaj   +1 more source

Shaking Table Test of a Base-Isolated Frame Structure under Near-Fault Ground Motions

open access: yesBuildings, 2022
A five-story moment frame structural model with a base isolation system was tested on a shaking table. The isolation system comprised both linear natural rubber bearing (LNR) and nonlinear viscous dampers (NLVDs).
Qing Lyu   +7 more
doaj   +1 more source

Seismic vulnerability assessment of precast post-tensioned segmental bridge piers subject to far-fault ground motions

open access: yesStructures, 2021
Abstract Precast post-tensioned segmental (PPS) bridge piers mitigate global and local damages of bridge structures through natural hinges (joints between their segments) and rocking motion of their segments. The application of the PPS piers is currently growing in Accelerated Bridge Construction (ABC) where the segments are manufactured offsite with
Ahmadi, Ehsan, Kashani, Mohammad M.
openaire   +3 more sources

Estimation of Floor Response Spectra for Self-Centering Structural Systems with Flag-Shaped Hysteretic Behavior

open access: yesBuildings, 2022
Spectral floor-acceleration demands are necessary for the seismic design of acceleration-sensitive non-structural components (NSCs). Existing studies to estimate floor response spectra (FRS) using empirical equations are based on elasto-plastic and ...
Binod Kumar Shrestha   +3 more
doaj   +1 more source

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