International Round-Robin Test on Creep Behaviour of FRC - Part 2: An Overview of Results and Preliminary Conclusions

Llano-Torre, Aitor; Ros, Pedro Serna; Cavalaro, Sérgio Henrique Pialarissi

doi:10.1007/978-3-030-83719-8_26

Cited by 3 publications

(3 citation statements)

References 13 publications

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“…Concerning creep, both compressive and tensile (pre-cracking) creep of SFRC can be computed according to 5.1 of the EC-2. However, if tensile-creep is expected to be a design determining parameter in any limit state, tests must be conducted following a standardized testing configuration and procedure [33][34][35] to quantify its time-dependent magnitude (see Figure 3). According to [36], tensile-creep of SFRC may be significant in elements with both low degree of redundancy and low amounts of longitudinal reinforcement.…”

Section: Strength and Ductility Classificationmentioning

confidence: 99%

Design of Steel Fibre Reinforced Concrete Structures According to the Annex L of the Eurocode-2 2023

Fuente¹,

Monserrat-López²,

Tošić³

et al. 2023

hya

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The Annex L of the new Eurocode – 2 gathers -for the first time- provisions for the design of Steel Fibre Reinforced Concrete (SFRC) structures. This response to the necessity of the construction sector for provisions and regulations of this composite material within the European space and this Annex is supported by the solid background derived from consistent research and experiences carried out along the last two decades. The existence of these design provisions could both favour competitiveness and enhance sustainability performance within the construction sector since new concrete reinforcement alternatives could be considered while ensuring the structural reliability level accepted for traditional reinforced concrete structures. This paper is aimed to cover -not exhaustively- all those features concerning SFRC included into the EC-2 and complement those -when considered necessary- with scientific literature.

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Section: Strength and Ductility Classificationmentioning

confidence: 99%

Design of Steel Fibre Reinforced Concrete Structures According to the Annex L of the Eurocode-2 2023

Fuente¹,

Monserrat-López²,

Tošić³

et al. 2023

hya

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“…In some cases, the grouped publications correspond to large experimental programs published in different journals or symposia, varying the assessment criteria. Alternatively, groups may appear in the case of longduration experimental tests in which results were published at either different ages [64][65][66][67] or different programme steps, such as the RILEM Round-Robin Test [51,110,111]. Relevant data regarding specimen dimensions, the presence of the notch, reference deformation control, flexure setup in both pre-cracking and creep tests, frame construction, pre-cracking and stress level, environmental conditions and test duration are provided in Table 2.…”

Section: Short-beam Flexure Creep Test: Prismatic Specimensmentioning

confidence: 99%

“…On the one hand, square panel tests based on EN 14488-5 [181] standard are based on 600×600×100 mm panels and define continuously supporting boundary conditions that provide hyperstaticity to flexure energy absorption test and substantial stress redistribution during both the short-and long-term test. However, some authors [182,183] Reference [42,185,186] [187] [76,188,189] [50] [190] [191, 192, 193] [ 51,110,111] [104] [194] that friction due to hyperstaticity in square panel tests significantly influences energy flexure tests. On the other hand, ASTM C1550 [184], based on Ø800×75 mm round panels, define isostatic boundary conditions with three rotation-free supports.…”

Section: Flexure Creep Test In Panelsmentioning

confidence: 99%

Improvements in test methodology and characterisation of long-term flexure behaviour of fibre-reinforced concrete

Torre¹

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Finite Element Modeling of Tension Stiffening and Cracking of Reinforced Concrete Components: State of Art

Seema

Tiwary

Zandonini

2021

IOP Conf. Ser.: Earth Environ. Sci.

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The scientific community has been debating the vulnerability of structures to progressive collapse and how to mitigate the impact of local damages leading to un-proportional collapse. Recent tragedies have highlighted the necessity for particular design requirements to provide appropriate safety levels against progressive collapse as a result of damages caused by unusual loads. The performance of composite and reinforced concrete components in the realm of large displacements is presently the focus of study. The behaviour of reinforced concrete (RC) components, as well as the finite element model used to simulate RC parts under tension, were critically examined. This has aided in the understanding of concrete’s non-negligible contribution to tension stiffening response up to failure, particularly in the case of composite constructions with discontinuous geometry. The extensive study of literature provided insight into various modelling techniques and advised that experimental and numerical research be used to enhance diverse possibilities of model exploration.

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International Round-Robin Test on Creep Behaviour of FRC - Part 2: An Overview of Results and Preliminary Conclusions

Cited by 3 publications

References 13 publications

Design of Steel Fibre Reinforced Concrete Structures According to the Annex L of the Eurocode-2 2023

Design of Steel Fibre Reinforced Concrete Structures According to the Annex L of the Eurocode-2 2023

Improvements in test methodology and characterisation of long-term flexure behaviour of fibre-reinforced concrete

Finite Element Modeling of Tension Stiffening and Cracking of Reinforced Concrete Components: State of Art

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