Results 11 to 20 of about 8,759 (290)

Vertical Seismic Isolation Device for Three-Dimensional Seismic Isolation of Nuclear Power Plant Equipment—Case Study

open access: yesApplied Sciences, 2021
The purpose of this study was to develop a vertical seismic isolation device essential for the three-dimensional seismic isolation design of nuclear power plant equipment.
Gyeong-Hoi Koo   +4 more
doaj   +2 more sources

Near-Fault Earthquake Ground Motion and Seismic Isolation Design

open access: yes, 2023
Seismic isolation is one of the most reliable passive structural control techniques with adequately established standards for the earthquake protection of structures from earthquakes.
Erdik, Mustafa || Sadan, Bahadir || Tuzun, Cuneyt || Demircioglu-Tumsa, Mine B. || Ulker, Omer || Harmandar, Ebru
core   +2 more sources

Statistical Analysis of Rubber Compounds Material Tests for Seismic Isolation Bearings and Code Provisions Comparison [PDF]

open access: yes, 2023
Rubber compounds are extensively used for manufacturing rubber bearings for seismic isolation. Current seismic codes prescribe the use of design properties of seismic isolators derived from experimental evaluations to account for the effects of strain ...
Micozzi F.   +4 more
core   +3 more sources

Seismic Retrofit of r.c. Buildings with Base Isolation

open access: yes, 2023
Seismic isolation is today largely used as a passive mitigation system for seismic actions. While this technique can be easily implemented in new structures, more difficult, whenever possible, is the implementation in existing buildings, which can become
Ormando C.   +4 more
core   +2 more sources

Experimental study on the influence of glass fiber reinforced concrete isolation layer on the seismic dynamic response of tunnels

open access: yesCase Studies in Construction Materials, 2023
The use of isolation layer structures has been a proven and effective method in reducing the seismic dynamic response of tunnels. It is considered a crucial measure in enhancing the seismic capacity of tunnels.
Lun Dai   +3 more
doaj   +1 more source

State of the Art in Application of Seismic Isolation and Energy Dissipation in Turkey

open access: yes, 2023
This paper summarizes the passive structural control system applications and other related developments in Turkey, emphasizing the period between 2019 and 2022. The country hosts state-of-the-art seismic isolation applications, relatively greater in size,
Şadan, Bahadır
core   +1 more source

Comparison study on seismic isolation design of RC frame structure based on two different codes [PDF]

open access: yesArchives of Civil Engineering
With the development of building seismic isolation technology and the official release of the Isolation Code in September 2021, seismic isolation design in China will now rely on two foundational codes: the Seismic Code and the Isolation Code. This paper
Junyi Zhang, Jiawei Li, Zhiqiang Zhang
doaj   +1 more source

Model Test on the Vibration Reduction Characteristics of a Composite Foundation with Gravel Cushion under Different Seismic Wave Amplitudes

open access: yesShock and Vibration, 2021
Gravel cushions have been introduced as a practical and efficient seismic isolation technology to ensure the safety of nuclear power plants. This study investigated the seismic isolation effect of a gravel cushion by conducting a series of shaking table ...
Yingying Zhao   +5 more
doaj   +1 more source

Geotechnical design with apparent seismic safety factors well-bellow 1 [PDF]

open access: yes, 2014
The paper demonstrates that whereas often in seismic geotechnical design it is not realistically feasible to design with ample factor of safety against failure as is done in static design, an "engineering" apparent seismic factor of safety less than 1 ...
Gazetas, George   +2 more
core   +1 more source

Applications and recent studies on seismic isolation in Italy

open access: yes, 2023
The development and application of seismic isolation in Italy are presented in this paper. The absence of a suitable technical code limited the use of seismic isolation until the Molise earthquake of October 31st 2002.
Clemente P.
core   +1 more source

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