Confined concrete
Development of a New Constitutive Model for FRP-and-steel-confined Concrete.
... 44 All of the models, except Harajli (2006), are classified as design-oriented models for their closed form expressions of axial strain-axial stress relationship and with no incremental procedures. However, Eid and ...
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Article Axial compression model for FRP confined concrete in elliptical cross sections
... of concrete columns is adding oval precast concrete segments to the perimeter of the rectangular column with subsequent FRP wrapping (Parvin and Schroeder, ...reinforced concrete columns with ...
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A simple and efficient plasticity-fracture constitutive model for confined concrete
... The current paper describes and summarizes the formulation of a plasticity-fracture constitutive model for confined concrete. As discussed before, the theory of plasticity is regarded as a suitable basis ...
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EFFECT OF SHAPE AND SIZE PARAMETERS ON STRENGTH OF FRP CONFINED CONCRETE COLUMN
... for concrete columns, both in the retrofitting of existing reinforced concrete columns with an FRP jacket and in the use of concrete-filled FRP tubes as structural members in new ...of ...
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Axial Compression Model for FRP Confined Concrete in Elliptical Cross Sections
... FRP-confined concrete considered circular and square concrete columns, while limited studies were on columns with rectangular ...FRP-confined concrete under axial compression have been ...
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Externally confined concrete columns using FRP tubes
... the concrete core started when the unconfined concrete strength f co was ...the concrete starts to expand laterally due to the initiation of vertical cracking, the normalised axial stress is ...
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Compressive Strength of Confined Concrete in CCFST Columns
... steel-confined concrete on circular concrete filled steel tube (CCFST) stub columns under axial loading condition based on Artificial Neural Networks (ANNs) using a wide range of experimental ...
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Confined concrete behavior influencing factors
... Confined concrete ductility and strain energy are very well improved, proportionally with the diameter of the confining bars, thing that can be noticed due to the regular/ similar shape of the stress - ...
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Stress : strain relationships for confined concrete : rectangular sections
... ultimate concrete strain = minimum and maximum average 1ongitudina 1 strains corresponding to the maximum stress in concrete 2} = steel yield strain = concrete strain at maximum stress l[r] ...
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Structural response of concrete filled elliptical steel hollow sections under eccentric compression
... of concrete-filled elliptical stub columns under eccentric ...the concrete and possibly differing behaviour between each axis of ...developed confined concrete models for this loading ...
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Impact Study On Concrete Columns Confined By Gfrp Tube And Steel Isotruss Reinforcement
... GFRP-isotruss confined concrete cylinders with external longitudinal members are ...shows concrete column confined by both GFRP tube and triangular isotruss reinforcement with external ...
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Concentrically Loaded Circular RC Columns Partially Confined with FRP
... Based on the parametric study, a new model is pro- posed for the confined concrete compressive stress and axial strain in partially and fully wrapped columns. The primary advantage of the model is its ...
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Effect of Confinement on Load – Moment Interaction Behavior of Reinforced Concrete Column
... reinforced concrete structures subjected to seismic ...unconfined concrete, and does not account for the strength gain due to the presence of ...for confined concrete are developed by ...
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Constitutive model for rubberized concrete passively confined with FRP laminates
... conventional confined concrete, because the envelopes from cyclic tests typically follow the monotonic curves (Buyukozturk and Tseng 1984; Chang and Mander 1994; Lam et ...
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Compressive Strength Prediction Using the ANN Method for FRP Confined Rectangular Concrete Columns
... columns, in reason of unknown multivariable and noisy database is not suitable. In this study, the ANN is applied for the estimation of the capacity of the FRP confined concrete columns. ANN was employed ...
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Proposed model for strength analysis of HSC eccentrically loaded slender columns
... for confined HSC that considers the effects of concrete strength and transverse and longitudinal reinforcement parameters on the significance of ...of confined concrete is determined based on ...
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Stress-strain model for high strength concrete confined by FRP
... Various models for the stress-strain relationship of FRP confined concrete have been developed in the past. Teng et al. (2009) categorized them as design oriented models and analysis oriented models. De- ...
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A survey of studies on plastic tubes confined plain concrete as compression members
... short concrete columns on ultimate ...confine concrete of different ...the concrete strength and it decreases with increasing the column ...of confined concrete increased between ...
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DETERMINATION OF MOMENT RESISTING RC FRAMES OF RESPONSE REDUCTION FACTORS
... popular. Concrete behaviour is modelled by a uniaxial modified Kent and Park model with degrading, linear, unloading/reloading stiffness no tensile ...for confined concrete is taken as ...unconfined ...
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Behavior of FRP-Confined Reactive Powder Concrete Columns under Eccentric Loading
... strength concrete (NSC), RPC has ultra-high compressive strength, limited shrinkage and high ...powder concrete is poor in tension and ductility, a column without any form of reinforcement will fail when ...
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