2010
DOI: 10.1016/j.engstruct.2009.12.043
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An innovative isolation device for aseismic design

Abstract: ResumenBasado en la idea de reducir la demanda sísmica en lugar de aumentar la capacidad resistente de las estructuras, el aislamiento sísmico es un método simple para mitigar o reducir los posibles daños producidos por los terremotos. La correcta aplicación de esta tecnología conduce a un mejor comportamiento de las estructuras, que sigue siendo esencialmente elástico durante los terremotos de gran magnitud. El núcleo de esta tecnología es el aislador. La mayoría de los aisladores sísmicos disponibles en la a… Show more

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Cited by 78 publications
(70 citation statements)
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“…Those curvatures absorb exactly the gradually developed uplift that results in rolling of the quasi-ellipsoidal rolling body keeping the same vertical offset between lower-most and uppermost surfaces of the RNC isolator. More detailed description and thorough treatment of the RNC isolator is found in [29].…”
Section: Modeling Of Rnc Isolatormentioning
confidence: 99%
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“…Those curvatures absorb exactly the gradually developed uplift that results in rolling of the quasi-ellipsoidal rolling body keeping the same vertical offset between lower-most and uppermost surfaces of the RNC isolator. More detailed description and thorough treatment of the RNC isolator is found in [29].…”
Section: Modeling Of Rnc Isolatormentioning
confidence: 99%
“…A new seismic isolation device, called roll-n-cage (RNC) isolator, has been recently proposed in [17][18][19][20]. Fig.…”
Section: Introductionmentioning
confidence: 99%
“…The Roll-N-Cage (RNC) isolator has been recently proposed [1,6] as an attempt to enhance aseismic design. It is a rolling-based isolation system that allows to achieve the maximum possible structure-ground decoupling and, therefore, to minimize the seismic force transfer to the isolated structure.…”
Section: The Rnc Devicementioning
confidence: 99%
“…Following the formulation in [12], the restoring force vector in a hysteretic system may be expressed as: (1) in which u is the displacement vector with orthogonal components u x and u y , in x and y directions respectively; q the restoring force vector with components q x and q y ; K is the initial stiffness matrix; α is the post-yielding stiffness ratio; Z represents the hysteretic displacement vector.…”
Section: A Bi-directional Hysteresis: Basic Formulationsmentioning
confidence: 99%
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