Modelling the vehicle in vehicle—infrastructure dynamic interaction studies

Cantero, Daniel; O’Brien, Eugene J.; González, Arturo

doi:10.1243/14644193jmbd228

Cited by 30 publications

(51 citation statements)

References 35 publications

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“…The mass of the wheel/axle assembly is mw and finally the tyre is modelled as a spring with stiffness Ks. The vehicle equations are formulated following recommendations by Cantero et al (2010). Table 2 provides the parameters of the vehicle (Cantero et al 2011, ElMadany 1988.…”

Section: (Approx Location Table 1)mentioning

confidence: 99%

A bridge-monitoring tool based on bridge and vehicle accelerations

Hester

González

2014

Structure and Infrastructure Engineering

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Previous research on damage detection based on the response of a structure to a moving load has reported decay in accuracy with increasing load speed. Using a 3-D vehicle-bridge interaction model, this paper shows that the area under the filtered acceleration response of the bridge increases with increasing damage, even at highway load speeds. Once a datum reading is established, the area under subsequent readings can be monitored and compared to the base line reading, if an increase is observed it may indicate the presence of damage. The sensitivity of the proposed approach to road roughness and noise is tested in several damage scenarios.The possibility of identifying damage in the bridge, by analysing the acceleration response of the vehicle traversing it is also investigated. While vehicle acceleration is shown to be more sensitive to road roughness and noise and therefore less reliable than direct bridge measurements, damage is successfully identified in favourable scenarios.

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Section: (Approx Location Table 1)mentioning

confidence: 99%

A bridge-monitoring tool based on bridge and vehicle accelerations

Hester

González

2014

Structure and Infrastructure Engineering

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“…where M v , C v and K v -the vehicle mass, damping and stiffness matrices respectively; z v -a vector containing the degrees of freedom of the vehicle; and vector F v (t) contains the external forces applied to the system (Cantero et al 2010). As cranes do not include a hinge, they are a special case of Fig.…”

Section: Vehicle Modelsmentioning

confidence: 99%

Comparison of Bridge Dynamic Amplifications due to Articulated 5-Axle Trucks and Large Cranes

Cantero

González

O’Brien

2011

Balt. J. Road Bridge E.

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Abstract. Extremely heavy vehicles are becoming more common on European highways due to the increasing demand for transport of heavy goods. These vehicles require permits from the road authorities to travel over a specified route. The authorities must ensure the bridge infrastructure remains safe when traversed by these very heavy vehicles and an escort is typically used to reduce loading in long-span bridges. In the case of short-and medium-span bridges, the closely spaced axle's forces of cranes form a critical traffic load configuration that must be carefully assessed before granting a permit. In this paper, the parameters of a 3-D vehicle-bridge interaction model are simulated using Monte Carlo technique to find the dynamic increment in the bridge response due to large cranes. A number of bridge spans, simply supported and fixed, and road conditions (with and without a damaged expansion joint) are tested and the bridge response is compared to conventional 5-axle trucks.

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“…2) and 3-D FE models. A 3-D FE model can be made of 3-D solid elements (Kwasniewski et al, 2006;Deng & Cai, 2010) Plate bridge models have been used to investigate VBI by Olsson (1985), Kirkegaard et al (1997), Henchi et al (1998), Zhu & Law (2002), Cantero et al (2009) and González et al (2010). They are based on thin plate theory, which assumes the normal and shear strains in the 'z' direction (perpendicular to the plate plane) to be negligible.…”

Section: Wwwintechopencommentioning

confidence: 99%

“…While the equations of motion of the bridge are obtained using the FEM, there are three alternative methods to derive the equations of motion of the vehicle: (a) imposing equilibrium of all forces and moments acting on the vehicle and expressing them in terms of their DOFs (Hwang & Nowak, 1991;Kirkegaard et al, 1997;Tan el al., 1998;Cantero et al, 2010), (b) using the principle of virtual work or a Lagrange formulation (Henchi et al, 1998), and (c) applying the code of an available FE package. The equations of equilibrium deal with vectors (forces) and they can be applied to relatively simple vehicle models, while an energy approach has the advantage of dealing with scalar amounts (i.e., contribution to virtual work) that can be added algebraically and are more suitable for deriving the equations of complex vehicle models.…”

Section: The Vehiclementioning

confidence: 99%

“…So, spatial FE vehicle models are typically composed of mass, spring, bar and rigid elements that are combined to model tyre, suspension, axle/body masses and connections between them. The equations of motion of a spatial vehicle model can be established for rigid (Tan et al, 1998;Zhu & Law, 2002;Kim et al, 2005) or articulated configurations (EIMadany, 1988;Fafard et al, 1997;Kirkegaard et al, 1997;Nassif & Liu, 2004;Cantero et al, 2010). In the latter, equations of motion can be formulated for the tractor and trailer separately, and the DOFs of both parts can be related through a geometric condition that takes into account the hinge location.…”

Section: Types Of Fe Models For Vehiclesmentioning

confidence: 99%

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