Methodology for Impact Factor of Horizontally Curved Box Bridges

Galdos, N. H.; Schelling, David R.; Şahin, Mehmet

doi:10.1061/(asce)0733-9445(1993)119:6(1917)

Cited by 21 publications

(11 citation statements)

References 8 publications

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“…An early treatise on this subject that covers vehicle models of various complexities is the book by FryH ba in 1972 [10]. In the past two decades, research on the vehicle-induced vibrations of bridges continued to grow, which was generally directed toward the use of more realistic vehicle modes [11,12] and bridge models [13,14], the inclusion of surface roughness [12,15], or the implementation of e$cient solution schemes including the use of vehicle}bridge interaction (VBI) elements [16,17]. Some partial reviews of the research on vehicle-induced vibrations of the bridge are available in references [18}20].…”

Section: Introductionmentioning

confidence: 99%

Dynamic Response of a Horizontally Curved Beam Subjected to Vertical and Horizontal Moving Loads

Yang¹,

Wu²,

Yau

2001

Journal of Sound and Vibration

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Section: Introductionmentioning

confidence: 99%

Dynamic Response of a Horizontally Curved Beam Subjected to Vertical and Horizontal Moving Loads

Yang¹,

Wu²,

Yau

2001

Journal of Sound and Vibration

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“…Galdos (1988), Galdos et al (1993), and Schelling et al (1992) did studies on the dynamic response of horizontally curved composite multispine box-girder bridges. Their findings formed the basis for the impact factors used by AASHTO (1993) for curved multi spine box-girder bridges (Sennah et al, 2001b).…”

Section: Dynamic and Seismic Responsementioning

confidence: 99%

Analysis, design and construction of curved composite girder bridges: State-of-the-art

Lin

Yoda

2010

International Journal of Steel Structures

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The horizontally curved composite girder bridges have excellent properties, such as quick construction, good seismic performance, saving construction formwork and convenience in spatial arrangement.etc, which have greatly promoted the application of such bridges. The objective of this paper is to provide and summarize important references related to the analysis, design and construction of curved composite girder bridges. Subjects discussed in this review include (1) different curved girder bridge configurations and their applied range; (2) current specifications; (3) construction issues; (4) design methods; (5) analytical methods; (6) load distribution; (7) torsional behavior; (8) warping stresses; (9) stability; (10) ultimate load-carrying capacity; (11) dynamic and seismic response; (12) loading test; (13) long-term behavior; and (14) design details. The literature survey presented herein mainly focuses on papers written in English, Japanese and Chinese in relation to curved composite girders.

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“…Among the scientific studies devoted to this problem, one should also mention Fryba [5], Yang et al. [15] and paper [14], Galdos [6], Paulter [9], Zhang [16], and others.…”

Section: Introductionmentioning

confidence: 99%

“…siła jest już poza belką (drgania swobodne). Przytoczono z monografii[6] wzory uogólniające, określające górne granice współczynników dynamicznych, uzyskane na podstawie obliczeń przeprowadzonych przy różnych wartościach parametru opisującego położenie ruchomej siły vt l . W przypadku współczynnika dynamicznego maksymalnego ugięcia i momentu zginającego środka pojedynczego przęsła są to odpowiednio wzory (3.4) i (3.5).Z kolei współczynnik dynamiczny siły poprzecznej tuż przy podporze dany jest wzorem (3.6).W przykładzie obliczeniowym, wykonanym przy pomocy pakietu Mathematica, przedstawiono przykładowe wykresy uzyskane dla belki lepko-sprężystej spoczywającej na podłożu Winklera.…”

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Amplification Factors in the Case of Beam Under Moving Force – Theoretical Analysis

Ataman

2019

Archives of Civil Engineering

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The impact of a moving load speed on the dynamic overload of beams, assuming that the track of the load has no unevenness, is examined. First the problem of a visco-elastic beam on a Winkler foundation subjected to a force moving at a constant speed will be solved. Using the Bubnov-Galerkin method, the deflections of the beam, and then the bending moments and shear forces will be determined. The solution of the problem will be obtained both for the case of a forced vibration and the case of a free vibration after the moving force has left the beam. Using these solutions, dynamic amplification factors will be determined for the deflections, bending moments, and shear forces, which are different for the two cases.The magnitude of the amplification factors increases and decreases alternately as a function of the speed. In the case of a single force on a beam, the dynamic overloads are limited, and do not exceed 60%. There is no resonance phenomenon in the beam subjected to the single moving force. The dynamic amplification factors determined in this way can be used as correction coefficients when designing engineering structures subjected to moving loads by static methods.

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Methodology for Impact Factor of Horizontally Curved Box Bridges

Cited by 21 publications

References 8 publications

Dynamic Response of a Horizontally Curved Beam Subjected to Vertical and Horizontal Moving Loads

Dynamic Response of a Horizontally Curved Beam Subjected to Vertical and Horizontal Moving Loads

Analysis, design and construction of curved composite girder bridges: State-of-the-art

Amplification Factors in the Case of Beam Under Moving Force – Theoretical Analysis

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