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Träfflista för sökning "FÖRF:(Bo Edlund) "

Sökning: FÖRF:(Bo Edlund)

  • Resultat 1-10 av 13
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  • Edlund, Bo, 1936 (författare)
  • Robustness and Resilience -- Two Key Concepts for a Sustainable Built Environment
  • 2012
  • Ingår i: 18th Congress of IABSE, SEOUL 2012; Innovative Infrastructures --Toward Human Urbanism. - 9783857481277 ; , s. 210-211 (+ 8 pp in USB)
  • Konferensbidrag (refereegranskat)abstract
    • The first item is Robustness of structures, which has drawn much attention during the past decade. In this paper special interest will be paid to accidental loading and extreme events like natural hazards. The part dealing with Resilience is related to Natural Hazards and Disasters and their influence on the built environment and society. One section deals with vulnerability and resilience of communities, especially in urbanized areas. The paper is of conceptual character and contains some critical review of some past work. It will show the importance of using relevant and clear concepts.
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  • Al-Emrani, Mohammad, 1967, et al. (författare)
  • Girders with Trapezoidally Corrugated Webs -- Under Patch Loading
  • 2011
  • Ingår i: EUROSTEEL 2011. - 9789291471034 ; 2, s. 620-625
  • Konferensbidrag (refereegranskat)abstract
    • This paper deals with the buckling and postbuckling behaviour of plate girders with corrugated web under a concentrated load on the top flange. A couple of design models and experiments from earlier studies are briefly reviewed.Further, six additional experimental tests have been performed on a girder with thin corrugated web. A FE-model of this girder is then developed and the behaviour of the girder is validated through comparisons with the girder used in the tests. The ultimate load and the postbuckling behaviour were determined by both laboratory tests and finite element simulations for three different positions of a narrow load strip across the flange, namely at: (1) an inclined fold, (2) the junction between two folds, (3) a longitudinal fold. Finally, a parametric study is performed using the FE-model where the influence of certain parameters on the ultimate load and buckling behaviour is investigated. The results from this parametric study are compared and evaluated together with two design models chosen to be the most suitable.
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  • Amani, Mozdeh, et al. (författare)
  • Buckling and postbuckling behavior of unstiffened slender curved plates under uniform shear
  • 2011
  • Ingår i: Thin-Walled Structures. - : Elsevier BV. - 0263-8231. ; 49:8, s. 1017-1031
  • Tidskriftsartikel (refereegranskat)abstract
    • Buckling and postbuckling behavior of curved plates under in-plane shear are investigated. Afterrevisiting classic elastic buckling results, the elastoplastic postbuckling behavior and the effects ofcurvature parameter and aspect ratio are simulated via geometrical and material nonlinear analyses.Imperfection sensitivity is studied for various imperfection shapes and magnitudes. An increase incurvature parameter raises the elastic buckling load, produces unstable buckling and reducespostbuckling reserves. The buckling load and shear capacity are higher in shorter plates. Small initialimperfections are found to have severe effects on the initial buckling load of plates with large curvatureparameter, but little effect on ultimate postbuckling capacity.
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  • Edlund, Bo, 1936 (författare)
  • Lighter Plate Girders -- with Corrugated Web
  • 2011
  • Ingår i: IABSE-IASS Symposium, London, Sept 2011. ; , s. 500 + CD ROM 8p-
  • Konferensbidrag (refereegranskat)abstract
    • Thin-walled corrugated webs provide several advantages for welded plate girders, which thus become very competitive. This paper deals with the buckling and postbuckling behaviour of such girders for buildings. The purpose is to study the behavior of these light-weight girders for different loading conditions, especially under shear load. Laboratory experiments and numerical simulations for different girder geometries are presented and discussed. The influences of interaction of buckling modes and of initial web imperfections on the buckling behaviour and load carrying capacity are typical topics.
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  • Edlund, Bo, 1936 (författare)
  • Risk, Structural Engineering and Society
  • 2010
  • Ingår i: IABSE Symposium, Venice 2010: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas; Report. - 9783857481222 ; , s. 134-135 and CD-ROM 8 pp.-
  • Konferensbidrag (refereegranskat)abstract
    • One topic of this paper is risk and risk management regarded from both engineering and societal points of view. The various aspects of risk are often complex and need to be investigated from different perspectives. One main part of the paper will discuss risks that should be considered by structural engineers, when they plan, design or build structures and infrastructures.Related to this is the part dealing with Natural Hazards and Disasters and their influence on the built environment and society. One section deals with vulnerability and resilience of cities, especially in environmentally constrained and urbanized areas. A special topic here is the risk of flooding due to rising sea level caused by a possible climate change.
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  • Edlund, Bo, 1936, et al. (författare)
  • Bridge expansion joints -- design for movements, performance and durability
  • 2007
  • Ingår i: IABSE Symposium Weimar 2007 "Improving Infrastructure Worldwide"; Report, IABSE Zürich. - 9783857481161 ; , s. 302--303-
  • Konferensbidrag (refereegranskat)abstract
    • Expansion joints in medium-size and long bridges should be regarded as important bridge components.There is a trend to minimize the number of joints, and design each joint to permit large movements. It is therefore important to develop suitable joint types that function smoothly for such large movements during a long time without damages or malfunctioning. A widely used, modern joint type for large joint movements is the Modular Bridge Expansion Joint (MBEJ). The paper mainly deals with different aspects of MBEJs (function, fatigue, durability, maintenance, noise etc). Traffic forces on MBEJs as well as quality requirements and assessment are discussed.
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  • Edlund, Bo, 1936 (författare)
  • Buckling of metallic shells: Buckling and postbuckling behaviour of isotropic shells, especially cylinders
  • 2007
  • Ingår i: Structural Control and Health Monitoring. - : Hindawi Limited. - 1545-2255 .- 1545-2263. ; 14:4, s. 693-713
  • Tidskriftsartikel (refereegranskat)abstract
    • The large discrepancies between observed buckling loads for thin shells and the predictions of the classical theory have been a great challenge to many researchers since the 1920s. In this paper, the basic behaviour and characteristics are described and recent research, mainly from the last 10 years, is reviewed. The focus is on cylindrical shells and on the influence of initial imperfections on the buckling behaviour.
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  • Resultat 1-10 av 13

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