Results 201 to 210 of about 1,722 (253)
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Seismic Design of Lifeline Bridge using Hybrid Seismic Isolation
Journal of Bridge Engineering, 2002This paper presents the merits of a hybrid seismic isolation system used for the seismic design of a major bridge. The bridge is analyzed for two different arrangements of seismic isolation systems. The first arrangement consists of friction pendulum bearings at all substructure locations; the other incorporates a hybrid system where laminated ...
Murat DİCLELİ
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On the effect of seismic base isolation on seismic design requirements of RC structures
Structures, 2020Abstract According to the basic concept of seismic isolation, the base-isolated structures must remain elastic during an earthquake. On the one hand, the existing technical documentation and codes strongly noted that the superstructure of isolated buildings should be designed the same as a fixed base structure. The only difference is the isolator. So,
Mahdi Ghasemi, Sayed Behzad Talaeitaba
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SILER Project: Design of the Seismic Isolators
Volume 8: Seismic Engineering, 2014This paper describes the SILER (Seismic-Initiated event risk mitigation in LEad-cooled Reactors) Project results obtained so far in the design of the seismic isolation system of two nuclear power plants: the ELSY configuration for the LFR (Lead-Cooled Fast Reactor) design and the MYRRHA configuration for the accelerator-driven systems (ADS).
Alessandro Poggianti +9 more
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Optimization Criteria In Design Of Seismic Isolated Building
AIP Conference Proceedings, 2008Use of new anti‐seismic techniques is certainly suitable for buildings of strategic importance and, in general, in the case of very high risk. For ordinary buildings, instead, the cost of base isolation system should be balanced by an equivalent saving in the structure.
Paolo Clemente +3 more
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Seismic Isolation Design of Multistory Building
Applied Mechanics and Materials, 2012Design process and the nonlinear time history analysis for base isolation system is performed in this paper. The results show that the earthquake acceleration and displacement response of isolated structure can be significantly reduced. Application of the isolation system to improve the seismic capacity of the structure,can effectively reduce the ...
Xiao Song, Peng Li, Guang Sheng Xu
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On the Design of an Optimal Seismic Isolation System
SAE Technical Paper Series, 1985<div class="htmlview paragraph">A competing variables approach is developed for determining an optimal choice of stiffness and damping for minimization of the dynamic response of a single-degree-of-freedom (SDOF) system subjected to random base excitation.
Richard K. Miller, Robert M. Setbacken
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Design of Structures with Seismic Isolation
2001This chapter surveys the principles, benefits, and the feasibility of seismic isolation. The basic principles of seismic isolation are introduced first. Contrary to a perception held by many engineers, neither the concept of seismic isolation is new nor its application is necessarily complex.
Ronald L. Mayes, Farzad Naeim
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Deformation‐based design of seismically isolated bridges
Earthquake Engineering & Structural Dynamics, 2022AbstractA performance‐based design procedure is proposed for seismically isolated bridges with/without supplemental energy dissipation devices. Considering multiple performance levels (PLs), the proposed method initially identifies the critical hazard level and “near‐optimal” alternatives of the isolation system.
Konstantinos I. Gkatzogias +1 more
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Design and analysis of seismically isolated structures
Nuclear Engineering and Design, 1991Abstract This paper describes developing methodology for performing three-dimensional (3D) analysis of individual seismic bearings and for simulating the 3D system response of isolated reactor structures (superstructure, isolators, basemats, etc.) including the surrounding soil under earthquake excitation. In addition, programs for elastomer research
R.F. Kulak, C.Y. Wang
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SEISMIC RELIABILITY-BASED DESIGN OF STRUCTUTRES ISOLATED BY FPS
Proceedings of the VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016), 2016The paper deals with the seismic reliability of base-isolated structural systems equipped with friction pendulum isolators (FPS) in order to provide useful design recommen-dations. A two-degree-of-freedom model is adopted by accounting for the superstructure flex-ibility, whereas the FPS isolator behaviour is described by adopting a widespread model ...
CASTALDO, PAOLO +2 more
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