Results 31 to 40 of about 108,443 (306)
Evaluation of human-induced vibration of continuous footbridges [PDF]
MATEC Web of Conferences, 2015 مع تطوير مواد البناء وإدخال الفولاذ والخرسانة عالية القوة، أصبح الاهتزاز الناجم عن الإنسان معيارًا سائدًا لتصميم جسور المشاة. في الوقت الحالي، تم تضمين مساحات أطول وجسور خفيفة الوزن في معظم اتجاهات التصميم. وهذا يؤدي إلى انخفاض الترددات الطبيعية للنظام والتي لها تأثير كبير على الأداء الديناميكي للجسور الخاضعة للأنشطة البشرية. على الرغم من أن تصميم جسور
El-Robaa Ahmed +2 more
openaire +2 more sources
The effect of vibration on the possibility of a threat to the health of workers on scaffolding
MATEC Web of Conferences, 2018 Scaffoldings are specific structures that are particularly predisposed to vibrations. The article analyses the impact of vibrations induced by human activity on the stage for the possibility of a threat to the health of workers working in these ...
Grosel Jacek +4 more
doaj +1 more source
Assessment of dynamic and long-term performance of an innovative multi-story timber building via structural monitoring and dynamic testing [PDF]
, 2012 Peer ...
Desgeorges, Yohann +5 more
core +1 more source
Vibrational Modal Frequencies and Shapes of Two-Span Continuous Timber Flooring Systems [PDF]
, 2019 Based on classic vibrational bending theory on beams, this paper provides comprehensive analytical formulae for dynamic characteristics of two equal span continuous timber flooring systems, including frequency equations, modal frequencies, and modal ...
Kilpatrick, Tony, Zhang, Binsheng
core +1 more source
Human-induced vibration of steel–concrete composite floors [PDF]
Proceedings of the Institution of Civil Engineers - Structures and Buildings, 2018 Long-span composite floors have many desirable properties and have been increasingly employed in building construction. However, these long-span structures are prone to excessive and complex vibration under human rhythmic activities such as walking, running, jumping and aerobics, which may result in people's discomfort and complaints. A finite-element
Shiming Chen, Rui Zhang, Jie Zhang
openaire +1 more source
Seismocardiographic Signal Timing with Myocardial Strain
, 2017 Speckle Tracking Echocardiography (STE) is a relatively new method for cardiac function evaluation. In the current study, STE was used to investigate the timing of heart-induced mostly subaudible (i.e., below the frequency limit of human hearing) chest ...
Kakavand, Bahram +3 more
core +1 more source
Quantification of dynamic excitation potential of pedestrian population crossing footbridges [PDF]
, 2011 Due to their slenderness, many modern footbridges may vibrate significantly under pedestrian traffic. Consequently, the vibration serviceability of these structures under human-induced dynamic loading is becoming their governing design criterion.
Pavić, Aleksandar, Živanović, Stana
core +2 more sources
Applied SciencesPedestrian bridges, which are essential in urban and rural infrastructures, are vulnerable to vibrations induced by pedestrian traffic owing to their low mass, stiffness, and damping.
Juan D. Aux +3 more
doaj +1 more source
Frontiers in Built Environment, 2020 The rise of human activities and the constant increase of vehicles traffic in the cities, and in particular of heavy vehicles such as buses and trucks, causes continues ambient vibrations that can detrimentally affect the conservation of built artifacts,
Simonetta Baraccani +4 more
doaj +1 more source
Experimental and Numerical Study on Dynamics of Two Footbridges with Different Shapes of Girders
Applied Sciences, 2020 The paper presents the experimental and numerical results of the dynamic system identification and verification of the behavior of two footbridges in Poland. The experimental part of the study involved vibration testing under different scenarios of human-
Anna Banas, Robert Jankowski
doaj +1 more source