Eliminating Shrinkage Effect from Moment Curvature and Tension Stiffening Relationships of Reinforced Concrete Members

Kaklauskas, Gintaris; Gribniak, Viktor

doi:10.1061/(asce)st.1943-541x.0000395

Cited by 51 publications

(38 citation statements)

References 18 publications

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“…In this paper, the short-term (creep effect insignificant) shrinkage effect was considered using the approach proposed by Kaklauskas and Gribniak (2011). A fictitious axial force was proposed to evaluate the effect of the shrinkage on the specimen.…”

Section: Average Stress Strain Relationship Of Conrete In Tensionmentioning

confidence: 99%

Uniaxial Tensile Stress-Strain Relationships of RC Elements Strengthened with FRP Sheets

et al. 2016

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Section: Average Stress Strain Relationship Of Conrete In Tensionmentioning

confidence: 99%

Uniaxial Tensile Stress-Strain Relationships of RC Elements Strengthened with FRP Sheets

et al. 2016

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“…However, most of the studies in the literature did not take into account the shrinkage effect. The influence of shrinkage on short-term and long-term strains and tension-stiffening in reinforced concrete members has been investigated by Bischoff (2001), Fields and Bischoff (2004), Kaklauskas et al(2009), Kaklauskas and Gribniak (2011). A technique to exclude the shrinkage effect from the load-strain relationships of RC ties was proposed by Bischoff (2001).…”

Section: Introductionmentioning

confidence: 99%

Tension-stiffening behaviour of reinforced concrete ties of various strength classes

Kaklauskas¹,

Tamulenas²,

Gribniak³

et al. 2015

Proceedings of the Second International Conference on Performance-Based and Life-Cycle Structural Engineering (PLSE 2015)

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A new law of tension-stiffening for reinforced concrete (RC) ties is proposed in the present study. It is based on the test data of 11 experimental programs of RC elements of various strength classes reported in the literature. The experimental programs covered a wide range of characteristics of mechanical and geometrical parameters of specimens such as compressive strength of concrete, reinforcement ratio and diameter of reinforcement bars. By eliminating the effect of shrinkage from the test load-strain diagrams of the ties, a simple model with no dependence on reinforcement ratio could be derived. The proposed tension-stiffening law is compared with the formulation in Eurocode 2. Statistical analysis of strain predictions of RC ties based on Eurocode 2 was conducted. It is found that the Eurocode 2 significantly underestimated strains in the RC ties with the errors reaching 50% for the lightly reinforced members. Nevertheless, when shrinkage effect was accounted for in the test load-strain diagrams, the predictive capability of the Eurocode 2 formulation could be significantly improved.

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“…De este modo, con el objeto de obtener resultados confiables se debe aplicar la metodología inversa descrita en el estado del arte [120,147]. La figura 4-5 es como la figura 4-4, pero eliminando el efecto de la retracción.…”

Section: Discusión De Resultados 441 Datos Experimentales Modificaunclassified

“…Puede ser extendida relativamente con facilidad para obtener otros tipos de leyes de tension-stiffening como las aplicadas en el acero o en los modelos de adherencia entre acero y hormigón. Destaca la metodología modificada por Gribniak [120,125,132] que puede aplicarse de dos formas diferentes:…”

Section: Técnica Inversa De Modelación Constitutivaunclassified

“…Sin embargo, hoy en día, hay un consenso acerca de que el efecto de tension-stiffening puede influenciar de un modo significativo las deformaciones que sufre un elemento de hormigón armado, sometido a cargas de servicio. Un gran número de publicaciones confirma este hecho [76,[111][112][113][114][115][116][117][118][119][120][121][122].…”

Section: Aspectos Teóricos Del Comportamiento Seccional 251 Introdunclassified

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Estudio teórico-experimental de elementos de hormigón estructural en condiciones de servicio, sometidos a acciones exteriores y deformaciones impuestas : monitorización de estructuras reales y contrastaciones teóricas

Parrotta¹,

Ignácio²

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Eliminating Shrinkage Effect from Moment Curvature and Tension Stiffening Relationships of Reinforced Concrete Members

Cited by 51 publications

References 18 publications

Uniaxial Tensile Stress-Strain Relationships of RC Elements Strengthened with FRP Sheets

Uniaxial Tensile Stress-Strain Relationships of RC Elements Strengthened with FRP Sheets

Tension-stiffening behaviour of reinforced concrete ties of various strength classes

Estudio teórico-experimental de elementos de hormigón estructural en condiciones de servicio, sometidos a acciones exteriores y deformaciones impuestas : monitorización de estructuras reales y contrastaciones teóricas

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