Results 1 to 10 of about 11,212,315 (245)

Determining the Optimal Scalar Intensity Measure of Floor Communication Towers

Shock and Vibration, 2022
Various structural types and ground motion characteristics lead to distinct intensity measures of structural seismic performance. For the lattice high-rise steel structure of communication towers, determining the intensity measures to adjust ground ...
Bo Li, Qinghui Lai, Endong Guo, Chenxi Mao, Xiaofei Li   +4 more
doaj   +2 more sources

Developing a Pain Intensity Measure for Persons with Dementia: Initial Construction and Testing. [PDF]

Pain Med, 2019
Objective The goal of this study was to identify a limited set of pain indicators that were most predicive of physical pain. We began with 140 items culled from existing pain observation tools and used a modified Delphi approach followed by statistical ...
Ersek M, Herr K, Hilgeman MM, Neradilek MB, Polissar N, Cook KF, Nash P, Snow AL, McDarby M, Nelson FX.   +9 more
europepmc   +2 more sources

Optimal Seismic Intensity Measure Selection for Isolated Bridges under Pulse-Like Ground Motions

Advances in Civil Engineering, 2019
Isolated bridges are commonly designed in the near-fault region to balance excessive displacement and seismic force. Optimal intensity measures (IMs) of probabilistic seismic demand models for isolated bridges subjected to pulse-like ground motions are ...
Linwei Jiang, Jian Zhong, Min He, Wancheng Yuan   +3 more
doaj   +2 more sources

A vector-valued ground motion intensity measure incorporating normalized spectral area [PDF]

Bulletin of Earthquake Engineering, 2016
A vector-valued intensity measure is presented, which incorporates a relative measure represented by the normalized spectral area. The proposed intensity measure is intended to have high correlation with specific relative engineering demand parameters ...
AK Chopra, Andreas J. Kappos, Aris-Artemis I. Theophilou, BA Bradley, BÖ Ay, E Bojórquez, E Bojórquez, E Rosenblueth, GW Housner, HW Lilliefors, I Iervolino, J Ruiz-Garcia, J Ruiz-Garcia, J Soest Van, JL Thun Von, L Sachs, LS Jacobsen, Marios K. Chryssanthopoulos, MD Trifunac, N Buratti, N Shome, P Fajfar, SA Mahin, YJ Park, YJ Park   +24 more
core   +2 more sources

Leaves to Measure Light Intensity

Advanced Science
Quantitative measurement of light intensity is a key step in ensuring the reliability and the reproducibility of scientific results in many fields of physics, biology, and chemistry.
Aliénor Lahlou, Ian Coghill, Mhairi L. H. Davidson, Romain Billon, Fredy Barneche, Dusan Lazar, Thomas Le Saux, Ludovic Jullien   +7 more
doaj   +4 more sources

Sufficiency assessments of ground motion intensity measures employing kullback-leibler theory (applied for typical south pars offshore platforms) [PDF]

Numerical Methods in Civil Engineering, 2021
The potential ingrained uncertainty in ground motion records may significantly influence the structural seismic risk assessment in performance-based earthquake engineering (PBEE). One of the basic components of the socio-economic method of PBEE design is
Samira Babaei, Rouhollah Amirabadi, Mahdi Sharifi   +2 more
doaj   +1 more source

Efficiency assessment of ground motion intensity measures in the estimation of dynamic response of reinforced concrete moment frames [PDF]

Journal of Structural and Construction Engineering, 2020
Selection of appropriate accelerograms for nonlinear dynamic analysis is one of the most important challenges due to their significant influence on the interpretation of analysis results.
Moein Dayyani, Reza Esmaeilabadi, Salar Arian-Moghaddam   +2 more
doaj   +1 more source

An Intensity Measure for the Rocking Fragility Analysis of Rigid Blocks Subjected to Floor Motions

Sustainability, 2023
A novel intensity measure (IM), dimensionless floor displacement, is presented for evaluating the seismic fragility of freestanding rigid blocks subjected to one-sine acceleration pulses in this paper.
Hanquan Liu, Yong Huang, Xiaohui Liu
semanticscholar   +1 more source

Ground Motion Prediction Equation for Optimal Combination of Spectral Displacements as the intensity measure for short-period buildings using Iranian strong ground motion records [PDF]

مجله مدل سازی در مهندسی, 2022
Important parameters of strong ground motions in a site in terms of potential damage to structures can be represented by an intensity measure parameter.
Fateme Soleimani, Aliakbar Yahyaabadi
doaj   +1 more source

An energy‐frequency parameter for earthquake ground motion intensity measure

Earthquake Engineering & Structural Dynamics, 2022
A novel scalar ground motion intensity measure (IM), termed the energy‐frequency parameter, is proposed based on the Hilbert‐Huang transform. To validate the effectiveness of the proposed IM, the correlation analysis between the engineering demand ...
Guan Chen, Jiashu Yang, Yong Liu, T. Kitahara, Michael Beer   +4 more
semanticscholar   +1 more source