Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Computational studies of horizontally curved, longitudinally stiffened, plate girder webs in flexure
https://orcid.org/0000-0002-7158-1776
Abstract Summarized herein is a study that explored single span, horizontally curved, plate girders having a yield stress of 50ksi (345MPa) to investigate their flexural behavior as a function of the position of a single longitudinal stiffener at various locations along the depth of the web. The studies were conducted using ABAQUS [1] with the girder cross-sections under high vertical bending moment and low shear. As a result of these studies, recommendations are made for positioning longitudinal stiffeners on horizontally curved webs that complement existing criteria for straight plate girders in bending. The study shows that, for the high flexure situations and girder specimens that were examined: (1) the optimal position for longitudinal stiffeners on a horizontally curved web does not appear to differ appreciably from that for a straight web as recommended in the AASHTO LRFD Bridge Design Specifications [2]; and (2) horizontal curvature can contribute to enhancing web stability, and, in certain instances, curvature may mitigate the need to use longitudinal stiffeners to help increase cross-section flexural strength.
Highlights We modeled horizontally curved, steel, plate girders in flexure. We studied flexural behavior as a function of web longitudinal stiffener position. We recommend stiffener position on curved webs that complement existing criteria. We found that optimal position is similar to that for a straight web from AASHTO. We found that horizontal curvature helps web stability and may limit stiffener need.
Computational studies of horizontally curved, longitudinally stiffened, plate girder webs in flexure
https://orcid.org/0000-0002-7158-1776
Abstract Summarized herein is a study that explored single span, horizontally curved, plate girders having a yield stress of 50ksi (345MPa) to investigate their flexural behavior as a function of the position of a single longitudinal stiffener at various locations along the depth of the web. The studies were conducted using ABAQUS [1] with the girder cross-sections under high vertical bending moment and low shear. As a result of these studies, recommendations are made for positioning longitudinal stiffeners on horizontally curved webs that complement existing criteria for straight plate girders in bending. The study shows that, for the high flexure situations and girder specimens that were examined: (1) the optimal position for longitudinal stiffeners on a horizontally curved web does not appear to differ appreciably from that for a straight web as recommended in the AASHTO LRFD Bridge Design Specifications [2]; and (2) horizontal curvature can contribute to enhancing web stability, and, in certain instances, curvature may mitigate the need to use longitudinal stiffeners to help increase cross-section flexural strength.
Highlights We modeled horizontally curved, steel, plate girders in flexure. We studied flexural behavior as a function of web longitudinal stiffener position. We recommend stiffener position on curved webs that complement existing criteria. We found that optimal position is similar to that for a straight web from AASHTO. We found that horizontal curvature helps web stability and may limit stiffener need.
Computational studies of horizontally curved, longitudinally stiffened, plate girder webs in flexure
https://orcid.org/0000-0002-7158-1776
Abstract Summarized herein is a study that explored single span, horizontally curved, plate girders having a yield stress of 50ksi (345MPa) to investigate their flexural behavior as a function of the position of a single longitudinal stiffener at various locations along the depth of the web. The studies were conducted using ABAQUS [1] with the girder cross-sections under high vertical bending moment and low shear. As a result of these studies, recommendations are made for positioning longitudinal stiffeners on horizontally curved webs that complement existing criteria for straight plate girders in bending. The study shows that, for the high flexure situations and girder specimens that were examined: (1) the optimal position for longitudinal stiffeners on a horizontally curved web does not appear to differ appreciably from that for a straight web as recommended in the AASHTO LRFD Bridge Design Specifications [2]; and (2) horizontal curvature can contribute to enhancing web stability, and, in certain instances, curvature may mitigate the need to use longitudinal stiffeners to help increase cross-section flexural strength.
Highlights We modeled horizontally curved, steel, plate girders in flexure. We studied flexural behavior as a function of web longitudinal stiffener position. We recommend stiffener position on curved webs that complement existing criteria. We found that optimal position is similar to that for a straight web from AASHTO. We found that horizontal curvature helps web stability and may limit stiffener need.
Computational studies of horizontally curved, longitudinally stiffened, plate girder webs in flexure
Issa-El-Khoury, Gaby (Autor:in) / Linzell, Daniel G. (Autor:in) / Geschwindner, Louis F. (Autor:in)
Journal of Constructional Steel Research ; 93 ; 97-106
15.10.2013
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Computational studies of horizontally curved, longitudinally stiffened, plate girder webs in flexure
| Online Contents | 2014
Openings in horizontally curved plate girder webs
| Online Contents | 2003
Openings in horizontally curved plate girder webs
| Elsevier | 2002
Longitudinally Stiffened Girder Webs subjected to patch loading
| British Library Conference Proceedings | 2004