Three-dimensional cohesive crack model prediction of the flexural capacity of concrete slabs on soil

Gaedicke, Cristián; Roesler, Jeffery R.; Evangelista, Francisco

doi:10.1016/j.engfracmech.2012.04.029

Cited by 30 publications

(26 citation statements)

References 36 publications

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“…In all the cases of volumetric slab models, the difference of the results of the FEM with respect to the PCA method are less than 2.9% while in the shell models the difference are less than 10.03%. These errors were concordant with those obtained by Gaedicke et al (2012), who obtained a difference of 1%-5% between the simulated and experimental peak load capacity considering 150 mm depth slabs.…”

Section: Application Of the Fem For Sizing Concrete Slabs For Forkliftsupporting

confidence: 80%

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Aplicabilidad del método de elementos finitos al análisis de las tensiones producidas en soleras de hormigón debido a las cargas transmitidas por los neumáticos de los tractores agrícolas

Malón¹,

García-Ramos²,

Hernández³

et al. 2013

Span. j. agric. res.

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En relación con el dimensionado de soleras de hormigón apoyadas sobre el suelo, existen metodologías rigurosas para el cálculo de las tensiones de trabajo, basadas en la teoría de Westergaard, pero desarrolladas para vehículos industriales (coches, camiones y carretillas elevadoras). En las soleras de edificios agrícolas, el vehículo más utilizado es el tractor agrícola, que dispone de neumáticos de elevada anchura y diámetro, pero con una superficie de contacto reducida. En este artículo se ha abordado el estudio de las tensiones generadas en las soleras de hormigón por las cargas transmitidas por los neumáticos de los tractores agrícolas utilizando el método de elementos finitos (FEM). Para ello, se han estudiado las cargas transmitidas por los neumáticos del eje trasero de tres tractores. En paralelo, se ha realizado el mismo estudio utilizando la metodología de cálculo clásica de Westergaard. Como paso previo se ha justificado la utilización del FEM realizando una validación de cálculo de soleras para vehículos tradicionales industriales (carretillas elevadoras) en comparación con métodos validados para ese tipo de vehículos (Portland Cement Association, PCA) y con la teoría clásica de Westergaard. Como resultado se puede concluir que el FEM es una herramienta válida para analizar las tensiones generadas por las cargas transmitidas por los neumáticos de los tractores agrícolas sobre soleras de hormigón apoyadas sobre el terreno.

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Section: Application Of the Fem For Sizing Concrete Slabs For Forkliftsupporting

confidence: 80%

“…5b shows the bending stresses in the section of the slab considering the load case 5. The evolution of the bending stresses is concordant with that obtained by Ferrer et al (2000) and Gaedicke et al (2012) considering loads on concrete slabs over ground.…”

Section: Application Of the Fem For Sizing Concrete Slabs For Agriculsupporting

confidence: 73%

Aplicabilidad del método de elementos finitos al análisis de las tensiones producidas en soleras de hormigón debido a las cargas transmitidas por los neumáticos de los tractores agrícolas

Malón¹,

García-Ramos²,

Hernández³

et al. 2013

Span. j. agric. res.

View full text Add to dashboard Cite

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“…Although these elements were two-dimensional, responses obtained were compared with experimental measurements and adequately good agreement was reported. Subsequently several independent investigations of crack propagation in beams and slabs on grade subjected to mechanical loads was carried out, with some very encouraging results [46,47,48,49]. Gaedicke and Roesler [46] found that the linear softening model applied to slabs was able to reasonably predict the flexural load capacity of the experimental slabs while significantly reducing the computation time.…”

Section: Introductionmentioning

confidence: 99%

3-D cohesive finite element model for application in structural analysis of heavy duty composite pavements

Skar

Poulsen

2015

Construction and Building Materials

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“…The principles of the fictitious crack model have been extended to practical problems for concrete-and composite pavement structures applying cohesive interface elements or contact for-mulations, with some very encouraging results (Meda et al 2004;Ioannides et al 2006;Gaedicke and Roesler 2009;Gaedicke et al 2012;Aure and Ioannides 2012;Evangelista et al 2013;Aure and Ioannides 2015;Skar and Poulsen 2015). Gaedicke and Roesler (2009) and Gaedicke et al (2012), who published one of the few simulations with experimental results, used the interface element with tabular traction-displacement relation featured by ABAQUS (2013).…”

Section: Introductionmentioning

confidence: 99%

“…Gaedicke and Roesler (2009) and Gaedicke et al (2012), who published one of the few simulations with experimental results, used the interface element with tabular traction-displacement relation featured by ABAQUS (2013). The authors reported lack of convergence, instability problems, snap-backs, and aborted simulations upon local unloading and reloading paths.…”

Section: Introductionmentioning

confidence: 99%

Cohesive cracked-hinge model for simulation of fracture in one-way slabs on grade

Skar

Poulsen

Olesen

2017

International Journal of Pavement Engineering

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Numerical analysis of slab on grade structures subjected to mechanical loads is a complex matter often requiring computationally expensive models. In order to develop a simplified and general concept for non-linear analysis of slab on grade structures, this paper presents a cohesive cracked-hinge model aimed at the analysis of the bending fracture of the cemented material. The model is based on the fracture mechanics concepts of the fictitious crack model with a linear stress-crack opening relationship. Moreover, the paper presents a two-parameter spring foundation model applied to realistically capture the continuity in the supporting medium. The functionality of the proposed model is compared to numerical analysis with application of the more conventional cohesive zone model. The results obtained show that the methodology is attractive and powerful one well-suited for practical use and further development.

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Three-dimensional cohesive crack model prediction of the flexural capacity of concrete slabs on soil

Cited by 30 publications

References 36 publications

Aplicabilidad del método de elementos finitos al análisis de las tensiones producidas en soleras de hormigón debido a las cargas transmitidas por los neumáticos de los tractores agrícolas

Aplicabilidad del método de elementos finitos al análisis de las tensiones producidas en soleras de hormigón debido a las cargas transmitidas por los neumáticos de los tractores agrícolas

3-D cohesive finite element model for application in structural analysis of heavy duty composite pavements

Cohesive cracked-hinge model for simulation of fracture in one-way slabs on grade

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