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   Articles with "base isolated" as a keyword



Torsional response of fire-damaged base-isolated buildings with elastomeric bearings subjected to near-fault earthquakes

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recommendations! Published in 2017 at "Bulletin of Earthquake Engineering"

DOI: 10.1007/s10518-017-0103-0

Abstract: Information is lacking on the nonlinear dynamic response of r.c. base-isolated buildings where asymmetries are due to fire-induced lateral stiffness eccentricities in the frame members of the superstructure or in the base-isolation system. To study… read more here.

Keywords: isolated buildings; response; near fault; base isolated ... See more keywords
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Vibration control of structure by top base isolated storey as tuned mass damper

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recommendations! Published in 2020 at "International Journal of Dynamics and Control"

DOI: 10.1007/s40435-020-00614-1

Abstract: Presently, earthquake-resistant design provisions are based on the assumption of inelastic behaviour of structures in major earthquake occurrences. It is generally possible to achieve ductile behaviour with significant damage in steel and reinforced concrete structures.… read more here.

Keywords: mass damper; control; tuned mass; base isolated ... See more keywords

Effects of seismic action and material properties variations on seismic responses of base-isolated nuclear containment structure

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recommendations! Published in 2017 at "Annals of Nuclear Energy"

DOI: 10.1016/j.anucene.2017.08.007

Abstract: Abstract The mechanical properties of rubber bearing continuously change with the aging and environmental conditions. To evaluate the effects of deteriorating factors during the lifecycle of the base-isolated nuclear containment structure, a series of nonlinear… read more here.

Keywords: base isolated; nuclear containment; isolated nuclear; containment structure ... See more keywords

Behaviour during seismic aftershocks of r.c. base-isolated framed structure with fire-induced damage

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recommendations! Published in 2017 at "Engineering Structures"

DOI: 10.1016/j.engstruct.2017.03.008

Abstract: Abstract Fire following strong earthquakes is considered a very high-risk event and a fire-damaged structure could be subjected to seismic aftershocks. Most probably damage produced by the main shock will be absent in case a… read more here.

Keywords: seismic aftershocks; base isolated; base; structure ... See more keywords

Assessment of proposed lateral load patterns in pushover analysis for base-isolated frames

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recommendations! Published in 2018 at "Engineering Structures"

DOI: 10.1016/j.engstruct.2018.08.080

Abstract: Abstract The effectiveness of two proposed lateral load patterns (LLPs) to estimate the seismic demands of base-isolated building frames by the pushover analysis (POA) is assessed by comparing their estimates with the benchmark responses obtained… read more here.

Keywords: plastic; lateral load; base isolated; proposed lateral ... See more keywords

Earthquake responses of a base-isolated structure on a multi-layered soft soil foundation by using shaking table tests

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recommendations! Published in 2019 at "Engineering Structures"

DOI: 10.1016/j.engstruct.2018.10.060

Abstract: Abstract Soil-structure interaction (SSI) has a significant effect on the earthquake response of a base-isolated structure, particularly on the rotation response of the SSI system and the isolation performance of the isolation layer, as demonstrated… read more here.

Keywords: soil; structure; layer; base isolated ... See more keywords

Effect of ground motion directionality on the seismic response of base isolated buildings pounding against adjacent structures

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recommendations! Published in 2020 at "Engineering Structures"

DOI: 10.1016/j.engstruct.2020.110202

Abstract: Abstract Seismic isolation is considered an effective design approach in averting structural and non-structural damage under severe seismic excitations. However, considerable relative displacements at the isolation level during a strong ground motion may lead to… read more here.

Keywords: isolated buildings; adjacent structures; base isolated; effect ... See more keywords
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Seismic responses and energy dissipation of pure-friction and resilient‐friction base-isolated structures: A parametric study

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recommendations! Published in 2020 at "Journal of building engineering"

DOI: 10.1016/j.jobe.2020.101194

Abstract: Abstract A comprehensive parametric study is carried out on pure-friction base-isolated (P-FBI) and resilient‐friction base-isolated (R-FBI) structures in this paper. For this purpose, an 8-story building subjected to a band-limited white noise acceleration modeled based… read more here.

Keywords: energy; friction base; friction; base isolated ... See more keywords
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Smart structures through nontraditional design of Tuned Mass Damper Inerter for higher control of base isolated systems

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recommendations! Published in 2020 at "Mechanics Research Communications"

DOI: 10.1016/j.mechrescom.2020.103513

Abstract: Abstract This paper introduces a smart structure design through the definition of an innovative passive control strategy, referred to as New Tuned Mass Damper Inerter (New TMDI), coupled with a base isolation system (BI), to… read more here.

Keywords: control; tuned mass; base isolated; base ... See more keywords

Structural and non-structural intensity measures for the assessment of base-isolated structures subjected to pulse-like near-fault earthquakes

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recommendations! Published in 2017 at "Soil Dynamics and Earthquake Engineering"

DOI: 10.1016/j.soildyn.2017.02.013

Abstract: Abstract The objective of the present work is to improve selection procedures for intensity measures (IM) to be used for scaling near-fault earthquakes, in order to minimize the variability in the prediction of engineering demand… read more here.

Keywords: fault; near fault; base isolated; fault earthquakes ... See more keywords

Development of a two-phased nonlinear mass damper for displacement mitigation in base-isolated structures

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recommendations! Published in 2019 at "Soil Dynamics and Earthquake Engineering"

DOI: 10.1016/j.soildyn.2019.05.007

Abstract: Abstract This paper developed a two-phased arc nonlinear energy sink (2PA NES) for displacement mitigation in base-isolated structures. The 2PA NES is a type of nonlinear mass damper that can produce nonlinear restoring force through… read more here.

Keywords: isolated structures; displacement mitigation; base isolated; 2pa nes ... See more keywords