Shear strength evaluation of RC bridge deck slabs according to CSCT with multi – layered shell elements and PARC-CL Crack Model

Belletti, Beatrice; Scolari, Matteo; Muttoni, Aurelio; Cantone, Raffaele

doi:10.2749/222137815818358385

Cited by 9 publications

(6 citation statements)

References 15 publications

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“…The calculation methods from the fib Model Code 2010 have been applied for the shear strength evaluation of bridge deck slabs . Other authors propose updating finite element models with measurements .…”

Section: Literature Reviewmentioning

confidence: 99%

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Levels of approximation for the shear assessment of reinforced concrete slab bridges

Lantsoght

Boer

Veen

2017

Structural Concrete

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Funding informationDutch Ministry of Infrastructure and the Environment.Many existing reinforced concrete bridges in The Netherlands are suspected of having insufficient shear strength, hence a methodical approach is necessary to assess them. The aim of this paper is to provide a structured approach for assessment of the reinforced concrete slab bridges, which make up a considerable proportion of the Dutch bridge stock. The proposed method uses the levels of approximation introduced in the fib Model Code for Concrete Structures 2010. The recommendations at all levels are linked to experimental research. The different levels include spreadsheet-based calculations (the "Quick Scan"), linear finite element models, nonlinear finite element models, the analysis of a structure with cracked concrete, and, for exceptional cases, proof loading of the structure. The result of this approach is a structured method of levels of assessment that can be used when many bridges need to be assessed. For most bridges, assessment at the lowest level will prove sufficient. For a limited number of cases, higher levels of assessment will offer options and guidelines for a more in-depth study of the structure being assessed. K E Y W O R D Sassessment, bridges, finite element models, hand calculations, levels of approximation, reinforced concrete, shear, slabs, slab bridges 1 | INTRODUCTION | Bridges in The NetherlandsThe Dutch road network went through a large period of expansion in the decades of reconstruction after the Second World War. The bridges that were built at this time are reaching the end of the service lives originally envisaged, but replacing all these structures is not practical. The economic cost of replacing these structures is high, as are likewise the ecological cost (associated with the CO 2 emissions in the production and transportation of the materials) and the social cost (such as traffic delays, which lead to large indirect costs in a densely populated country like the Netherlands). numerous reinforced concrete slab bridges that were built without shear reinforcement in the Netherlands need to be assessed with regard to their shear capacity. The scope of this study covers 600 reinforced concrete solid slab bridges, most of which were built during the 1960s and 1970s. | Levels of approximationThe recently published fib Model Code for Concrete Structures 2010 6 allows the shear and punching capacities to be calculated for different "levels of approximation." The

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Section: Literature Reviewmentioning

confidence: 99%

“…[24][25][26][27][28] The calculation methods from the fib Model Code 2010 6 have been applied for the shear strength evaluation of bridge deck slabs. 29 Other authors propose updating finite element models with measurements. 30 In rare cases, load testing of a structure is necessary to evaluate its capacity.…”

Section: Literature Reviewmentioning

confidence: 99%

Levels of approximation for the shear assessment of reinforced concrete slab bridges

Lantsoght

Boer

Veen

2017

Structural Concrete

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“…The high quality of the model indicates quite low CoV = 0.099. Nevertheless, the assumption of an averaged shear force v avg,4d should be analysed very carefully, as stated by Belletti et al (2015), since it may be not suitable for various cases where boundary and loading conditions could influence the distribution of shear stresses. Furthermore, if the model is going to be used for daily design, the safety level should be increased by an update of the failure criterion in the one-way shear CSCT model.…”

Section: Discussionmentioning

confidence: 99%

“…The following CSCT failure criterion has been proposed for LFEM (Natário et al, 2014;Belletti, Scolari, Muttoni, & Cantone, 2015):…”

Section: Critical Shear Crack Theory (Csct)mentioning

confidence: 99%

Shear resistance of clamped deck slabs assessed using design equations and FEM analysis

Vidaković

Halvoník

2019

Modern Building Materials, Structures and Techniques (MBMST)

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Reinforced concrete (RC) slabs without shear reinforcement are commonly used in the existing bridge structures. An ability of RC slabs to distribute the concentrated loads due to the wheel pressure in transverse direction is an important property for their verification. The aim of this paper is to investigate the effect of redistribution of shear forces and bending moments on the load carrying capacity of RC slabs subjected to concentrated loads. Two methods of the assessment are used: simplified analytical formulations and linear finite element analysis (LFEA). The obtained results are consequently compared with the test results taken from three experimental campaigns. The analyses show big differences among the results obtained from the simplified analytical methods that are based on the design equations introduced in the relevant standards. Improved methods, such as LFEA combined with analytical post-processing method, reflect the structural behaviour in a better way and provide more accurate load-bearing capacity prediction of the bridge deck slabs.

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“…The effective shear width beff is calculated by dividing the total shear force going through the evaluated direction along the slab width (Vcontrol) by an averaged unitary shear force over the control sections vavg (BELLETTI et al, 2015; NATÁRIO; FERNÁNDEZ RUIZ; MUTTONI, 2014) determined with the finite element model (Eq. (5.5)).…”

Section: Refined Approach For One-way Shear Analysesmentioning

confidence: 99%

One-way shear and punching strength of reinforced concrete slabs without transverse reinforcement under concentrated loads

Sousa¹

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One-way shear and punching strength of reinforced concrete slabs without transverse reinforcement under concentrated loadsCisalhamento unidirecional e resistência à punção de lajes de concreto armado sem armadura transversal sob cargas concentradas SÃO CARLOS -SP 2022 ALEX MICAEL DANTAS SOUSA One-way shear and punching strength of reinforced concrete slabs without transverse reinforcement under concentrated loads

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Shear strength evaluation of RC bridge deck slabs according to CSCT with multi – layered shell elements and PARC-CL Crack Model

Cited by 9 publications

References 15 publications

Levels of approximation for the shear assessment of reinforced concrete slab bridges

Levels of approximation for the shear assessment of reinforced concrete slab bridges

Shear resistance of clamped deck slabs assessed using design equations and FEM analysis

One-way shear and punching strength of reinforced concrete slabs without transverse reinforcement under concentrated loads

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