Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Simplification of Softened Strut-and-Tie Model for Strength Prediction of Discontinuity Regions
A geometric discontinuity caused by abrupt changes in cross-sectional dimensions and a force discontinuity caused by concentrated loads results in discontinuity regions due to the disturbance in the flow of internal forces. A softened strut-and-tie model has been developed for determining the shear strength of discontinuity regions that fail under diagonal compression. The softened strutand-tie model requires complicated computations, consequently making it challenging to apply in engineering practice. In this paper, a further simplification of the softened strut-and-tie model is proposed to facilitate design practice. Strength predictions of the simplified model correlate well with 449 test results of deep beams, corbels, squat walls, and beam-column joints available from the literature. The simplified model incorporates the shear-resisting mechanisms as postulated by the softened strut-and-tie model, and it is a function of the concrete compressive strength, steel yield strength, shear reinforcement ratio, and geometric configuration of the discontinuity region.
Simplification of Softened Strut-and-Tie Model for Strength Prediction of Discontinuity Regions
A geometric discontinuity caused by abrupt changes in cross-sectional dimensions and a force discontinuity caused by concentrated loads results in discontinuity regions due to the disturbance in the flow of internal forces. A softened strut-and-tie model has been developed for determining the shear strength of discontinuity regions that fail under diagonal compression. The softened strutand-tie model requires complicated computations, consequently making it challenging to apply in engineering practice. In this paper, a further simplification of the softened strut-and-tie model is proposed to facilitate design practice. Strength predictions of the simplified model correlate well with 449 test results of deep beams, corbels, squat walls, and beam-column joints available from the literature. The simplified model incorporates the shear-resisting mechanisms as postulated by the softened strut-and-tie model, and it is a function of the concrete compressive strength, steel yield strength, shear reinforcement ratio, and geometric configuration of the discontinuity region.
Simplification of Softened Strut-and-Tie Model for Strength Prediction of Discontinuity Regions
Shyh-Jiann Hwang (Autor:in) / Ren-Jie Tsai / Weng-Kin Lam / Jack P Moehle
ACI structural journal ; 114
2017
Aufsatz (Zeitschrift)
Englisch
Strength Prediction for Discontinuity Regions by Softened Strut-and-Tie Model
| Online Contents | 2002
Strength Prediction for Discontinuity Regions by Softened Strut-and-Tie Model
| British Library Online Contents | 2002
| British Library Online Contents | 2004