Dynamic analysis of composite systems made of concrete slabs and steel beams

Mello, A.V.A.; Silva, J.G.S. da; Vellasco, P.C.G. da S.; Andrade, S.A.L. de; Lima, Luciano Rodrigues Ornelas de

doi:10.1016/j.jcsr.2007.09.011

Cited by 36 publications

(45 citation statements)

References 6 publications

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“…Vibration of floors under human rhythmic activities is a very complex problem with respect to mathematical or physical characterisation of this phenomenon because the properties of dynamic vibration of these activities are interconnected to the individual body adversities and the ways which human performs a certain rhythmic activity [24]. A number of studies tried to evaluate the dynamic loads representing human activities.…”

Section: Human-induced Dynamic Loadsmentioning

confidence: 99%

“…A number of studies tried to evaluate the dynamic loads representing human activities. According to Mello et al [24], the first pioneer in determination of the forces induced by human motion was Otto Fischer, a German mathematician, who presented his study in 1895. Also, Ohmart presented walking motion forces graphically in 1968.…”

Section: Human-induced Dynamic Loadsmentioning

confidence: 99%

“…Racic et al [29] reviewed 271 references which deal with various experimental and analytical characterisations of human walking forces and their application in vibration serviceability design of civil engineering structures when subjected to pedestrian movement such as footbridges, floors, and staircases. Mello et al [24] reported that experimental studies were performed by Alves (1997) and Faisca (2003) on two kinds of concrete platforms; rigid and flexible, when a group of volunteers acted on them. The aim of their studies was a description of forces induced by human activities such as soccer and rock, aerobics, and jumps.…”

Section: Human-induced Dynamic Loadsmentioning

confidence: 99%

“…Various authors have evaluated the vibration serviceability of floors under human activities through determination of their dynamic responses, analysis, and experiment from few years ago [24]. Sandun de Silva and Thambiratnam [10], da Silve et al [8], da Silve et al [9], El-Dardiry and Ji [13], Williams and Waldron [37], Chen [6] determined dynamic responses of composite floors under human activities to assess their vibration serviceability.…”

Section: Introductionmentioning

confidence: 99%

“…The study was performed in two parts; floor and bridge with the FNF lower than 10 Hz, and also floor with the FNF above 10 Hz (HFF). Mello et al [24] also studied dynamic analysis of a composite system made of concrete slab and steel beams. The research on acceptability of studied models was conducted under four types of dynamic loads which were represented by human walking load, measurement of peak acceleration of panels, and comparison with limit of codes.…”

Section: Introductionmentioning

confidence: 99%

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Dynamic response of low frequency Profiled Steel Sheet Dry Board with Concrete infill (PSSDBC) floor system under human walking load

Gandomkar

Badaruzzaman

Osman

2012

Lat. Am. j. solids struct.

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This paper investigates the dynamic response of a composite structural system known as Profiled Steel Sheet Dry Board with Concrete infill (PSSDBC) to evaluate its vibration serviceability under human walking load. For this point, thirteen (13) PSSDBC panels in the category of Low Frequency Floor (LFF) were developed using Finite Element Method (FEM). The natural frequencies and mode shapes of the studied panels were determined based on the developed finite element models. For more realistic evaluation on dynamic response of the panels, dynamic load models representing human walking load were considered based on their Fundamental Natural Frequency (FNF), and also time and space descriptions. The peak accelerations of the panels were determined and compared to the limiting value proposed by the standard code ISO 2631-2. Effects of changing thickness of the Profiled Steel Sheet (PSS), Dry Board (DB), screw spacing, grade of concrete, damping ratio, type of support, and floor span on the dynamic responses of the PSSDBC panels were assessed. Results demonstrated that although some factors reduced dynamic response of the PSSDBC system under human walking load, low frequency PSSDBC floor system could reach high vibration levels resulting in lack of comfortableness for users. Keywords structural composite floor system, profiled steel sheet dry board, vibration serviceability, human walking load, dynamic response, human comfort.

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Section: Human-induced Dynamic Loadsmentioning

confidence: 99%

Section: Human-induced Dynamic Loadsmentioning

confidence: 99%