Evaluation of Shrinkage-Induced Deflections of Composite Slabs with a Simplified Design Approach and a Hygro-Thermo-Chemical-Mechanical Model

Bocciarelli, Massimiliano; Ranzi, Gianluca

doi:10.1007/978-981-13-7603-0_11

Cited by 1 publication

(2 citation statements)

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“…The non-uniform shrinkage effects on the time-dependent behavior of composite and post-tensioned slabs were presented in [68]. A hygro-thermo-chemical-mechanical model has been proposed to calculate the more refined non-uniform shrinkage profiles from the temperature and relative humidity distribution through the thickness of the composite slab [69].…”

Section: Time-dependent Modelling Of Composite Slabs 41 Numerical Modelmentioning

confidence: 99%

“…Design shrinkage strains over time were predicted using concrete design specifications by considering the case of a solid slab with the same thickness as the composite slab and exposed to dry from both its top and bottom surfaces. The long-term predictions of the composite slab response have also been presented in [68] based on these shrinkage gradients.…”

Section: Design Modelmentioning

confidence: 99%

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Shrinkage-Induced Response of Composite Steel–Concrete Slabs: A State-of-the-Art Review

Rahman

Ranzi

2021

Applied Sciences

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Composite steel–concrete slab is a floor typology widely used for building applications. Their design is usually governed by serviceability limit state requirements associated with the time-dependent response of the concrete. In this context, this paper presents a state-of-the-art review of research carried out to date on the long-term behavior of composite steel–concrete slabs. The particularity of this time-dependent response relies on the fact that the concrete cannot dry from the underside of the slab due to the presence of the profiled sheeting while it can dry from its upper surface. In the first part of the paper, a review of the work carried out on the identification of the time-dependent response of the concrete is presented by considering the peculiarities that occur due to the non-symmetric drying condition related to composite slabs. Particular attention is given to shrinkage effects and to the occurrence and influence of the non-uniform shrinkage gradient that develops in this form of construction over time. This is followed by the description and discussion of the experimental work performed on both simply-supported and continuous static configurations of composite slabs. In particular, the work published to date is summarized while highlighting the key parameters of the test samples and of the testing protocols adopted in the experiments. In the last part of the paper, available theoretical and design models proposed for the predictions of the shrinkage-induced behavior of composite slabs are presented and discussed.

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Section: Time-dependent Modelling Of Composite Slabs 41 Numerical Modelmentioning

confidence: 99%

Section: Design Modelmentioning

confidence: 99%

Shrinkage-Induced Response of Composite Steel–Concrete Slabs: A State-of-the-Art Review

Rahman

Ranzi

2021

Applied Sciences

View full text Add to dashboard Cite

show abstract

Evaluation of Shrinkage-Induced Deflections of Composite Slabs with a Simplified Design Approach and a Hygro-Thermo-Chemical-Mechanical Model

Cited by 1 publication

References 10 publications

Shrinkage-Induced Response of Composite Steel–Concrete Slabs: A State-of-the-Art Review

Shrinkage-Induced Response of Composite Steel–Concrete Slabs: A State-of-the-Art Review

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