Results 11 to 20 of about 2,019,906 (300)

Comparative analysis of seismic performance of 122-meter long concrete-filled steel tube arched chord truss bridge before and after reinforcement

open access: yesJournal of Asian Architecture and Building Engineering, 2020
Finite element analysis of a 122-meter concrete-filled steel tube arched chord truss bridge was performed using ANSYS to obtain the natural vibration characteristics of the bridge, both before and after reinforcement.
Daihai Chen   +4 more
doaj   +1 more source

Damping correction formula considering the period‐dependent characteristics of the design response spectra of long‐period ground motions for the hypothetical Nankai Trough earthquake: An investigation of the simplified spectra and waveform example provided by the Ministry of Land, Infrastructure, Transport and Tourism

open access: yesJapan Architectural Review, 2020
In June 2016, the Ministry of Land, Infrastructure, Transport and Tourism in Japan announced a countermeasure against the Nankai Trough’s long‐period ground motions.
Masahito Kobayashi, Yuto Kataoka
doaj   +1 more source

A New Method for the Calibration of Site-Related Response Spectra

open access: yesAdvances in Civil Engineering, 2022
The calibration of response spectra is an important issue that needs further research in engineering earthquake resistance. This paper proposes an improved calibration method for site-related response spectra.
Xin Han   +5 more
doaj   +1 more source

Implementation of the Spectral Method for Determining of Measuring Instruments' Dynamic Characteristics

open access: yesПриборы и методы измерений, 2020
The spectral method for establishing dynamic response of measuring instruments basically requires determining the amplitude spectrum of the signal in its informative part that includes the amplitude spectrum at zero frequency.
A. F. Sabitov, I. A. Safina
doaj   +1 more source

Comparative Study on the Analysis Methods for the Seismic Resistance of Bridge Structure [PDF]

open access: yesMATEC Web of Conferences, 2019
As a kind of destructive natural disasters, earthquake can cause serious damage to the bridges of lifeline projects, which will bring great difficulties to the rescue and relief work.
Wang Danling
doaj   +1 more source

Statistical linearization based estimation of the peak response of nonlinear systems subject to the EC8 design spectrum [PDF]

open access: yes, 2008
A stochastic approach is proposed to obtain reliable estimates of the peak response of nonlinear systems to excitations specified via a response∕design seismic spectrum.
Giaralis, A., Spanos, P. D.
core   +1 more source

Spectral Representation-Based Multidimensional Nonstationary Ground Motion Model for Seismic Reliability Analysis of Frame Structures

open access: yesShock and Vibration, 2021
A framework for a multidimensional nonstationary ground motion model based on spectral representation theory is proposed in this paper. The multidimensional nonstationary ground motion model is built from a local target to fit the multidimensional ...
Lawali Moussa Laminou, Xinghua Chen
doaj   +1 more source

On Oligopoly Spectrum Allocation Game in Cognitive Radio Networks with Capacity Constraints [PDF]

open access: yes, 2009
Dynamic spectrum sharing is a promising technology to improve spectrum utilization in the future wireless networks. The flexible spectrum management provides new opportunities for licensed primary user and unlicensed secondary users to reallocate the ...
Chiu, Dah-Ming   +2 more
core   +1 more source

Effective linear damping and stiffness coefficients of nonlinear systems for design spectrum based analysis [PDF]

open access: yes, 2010
A stochastic approach for obtaining reliable estimates of the peak response of nonlinear systems to excitations specified via a design seismic spectrum is proposed. This is achieved in an efficient manner without resorting to numerical integration of the
Agathoklis Giaralis   +60 more
core   +2 more sources

Seismic Performance Analysis of Offshore Substation

open access: yes南方能源建设, 2019
[Introduction] In this paper, strength and toughness analysis under earthquake for the whole model of offshore substation is presented, performance of offshore substation is analyzed under effect of earthquake in the design reference period different ...
FAN Shaotao   +3 more
doaj   +1 more source

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