2005
DOI: 10.1061/(asce)0733-9445(2005)131:9(1413)
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Bending Moment–Shear Force Interaction Domains for Prestressed Concrete Beams

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Cited by 30 publications
(16 citation statements)
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“…The proposed model, aiming at evaluating the shear capacity of concrete beams reinforced with two differently-inclined series of stirrups, is based on the model derived in [20,21,38] where the following assumptions were made: (i) at the Ultimate Limit State (ULS), the resistant mechanism can be represented (Fig. 1) by: -two chords; the top compressed chord is made by the concrete and its reinforcement, the bottom tensile one made by the bottom longitudinal reinforcement as well as the prestressing reinforcement (if any); -and the web, carrying the shear action, made of concrete, longitudinal web reinforcement (if any), and the stirrups); (ii) both the stirrups and the longitudinal web reinforcement (if any) are subjected to a purely axial force (i.e.…”
Section: Proposed Modelmentioning
confidence: 99%
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“…The proposed model, aiming at evaluating the shear capacity of concrete beams reinforced with two differently-inclined series of stirrups, is based on the model derived in [20,21,38] where the following assumptions were made: (i) at the Ultimate Limit State (ULS), the resistant mechanism can be represented (Fig. 1) by: -two chords; the top compressed chord is made by the concrete and its reinforcement, the bottom tensile one made by the bottom longitudinal reinforcement as well as the prestressing reinforcement (if any); -and the web, carrying the shear action, made of concrete, longitudinal web reinforcement (if any), and the stirrups); (ii) both the stirrups and the longitudinal web reinforcement (if any) are subjected to a purely axial force (i.e.…”
Section: Proposed Modelmentioning
confidence: 99%
“…The first model for shear strength prediction of RC beams, introduced by Ritter and Mörsch [15,16], was based on the truss analogy, where the contribution of the concrete is given by diagonal compression struts with a fixed 45°slope. In the last years, it has been replaced by a new model based on plastic theory [17][18][19][20][21]. In particular, this model assumes a compressive stress field in the concrete, and an equivalent uniformly distributed tensile stress field corresponding to the action of the stirrups.…”
Section: Introductionmentioning
confidence: 99%
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“…In this work, a sectional model belonging to the theoretical group of formulations, originally proposed by Recupero et al [23], and widely validated [24] against several test results on columns and beams having circular cross section [24] as well as being used for design [25], was adapted to provide the axial force-shear-flexure strength of specimens under corrosion effects. It allows to consider the simultaneous action of bending moment and shear force on the beam, for an assigned value of axial force.…”
Section: Description Of the Theoretical Modelmentioning
confidence: 99%
“…On the other hand, suitable conceptual tools which clarify the behaviour of these structures have not been consolidated, especially for ultimate behaviour under shear and shear-bending moment interaction, although valuable contributions have been made in this direction [4]. Moreover, for reinforced concrete (RC) structures it is known that the actual behaviour near collapse is greatly influenced by the interaction between shear, bending moment, and axial force [5,6]. Bairan Garcia and Marì Bernat [7][8][9] studied the shear-bending-torsion interaction in structural concrete members by a nonlinear approach and a coupled model for section analysis subjected to general 3D loading, while Rahal [10] studied the bending-torsion interaction using a simplified method.…”
Section: Introductionmentioning
confidence: 99%