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    Collapse Behavior and Strength of Steel Silo Transition Junctions. Part I: Collapse Mechanics

    Source: Journal of Structural Engineering:;1991:;Volume ( 117 ):;issue: 012
    Author:
    Jin‐Guang Teng
    ,
    J. Michael Rotter
    DOI: 10.1061/(ASCE)0733-9445(1991)117:12(3587)
    Publisher: American Society of Civil Engineers
    Abstract: Elevated steel silos commonly consist of a cylindrical shell, a conical hopper, and a skirt. At the intersection of these shell segments, a ring is often provided to sustain the high circumferential compressive stress developed. The cone/cylinder/skirt/ring junction, known as the transition, may fail by plastic collapse under the large circumferential compression. In this paper, an elastic‐plastic large‐deflection finite element analysis is employed to study the plastic collapse behavior of this junction. A typical structure is first examined to study the distribution of stresses, the effect of large deflections, the formation of a plastic collapse mechanism, and the collapse process. A simple theory proposed by Rotter, which is based on a reinterpretation of the classical limit analysis of ring‐loaded cylinders, is next outlined and its background further clarified. An improved version of Rotter's equation, which applies to a wider range of geometries, is then proposed for use in design.
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      Collapse Behavior and Strength of Steel Silo Transition Junctions. Part I: Collapse Mechanics

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    http://yetl.yabesh.ir/yetl1/handle/yetl/31026
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    contributor authorJin‐Guang Teng
    contributor authorJ. Michael Rotter
    date accessioned2017-05-08T20:54:01Z
    date available2017-05-08T20:54:01Z
    date copyrightDecember 1991
    date issued1991
    identifier other%28asce%290733-9445%281991%29117%3A12%283587%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/31026
    description abstractElevated steel silos commonly consist of a cylindrical shell, a conical hopper, and a skirt. At the intersection of these shell segments, a ring is often provided to sustain the high circumferential compressive stress developed. The cone/cylinder/skirt/ring junction, known as the transition, may fail by plastic collapse under the large circumferential compression. In this paper, an elastic‐plastic large‐deflection finite element analysis is employed to study the plastic collapse behavior of this junction. A typical structure is first examined to study the distribution of stresses, the effect of large deflections, the formation of a plastic collapse mechanism, and the collapse process. A simple theory proposed by Rotter, which is based on a reinterpretation of the classical limit analysis of ring‐loaded cylinders, is next outlined and its background further clarified. An improved version of Rotter's equation, which applies to a wider range of geometries, is then proposed for use in design.
    publisherAmerican Society of Civil Engineers
    titleCollapse Behavior and Strength of Steel Silo Transition Junctions. Part I: Collapse Mechanics
    typeJournal Paper
    journal volume117
    journal issue12
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)0733-9445(1991)117:12(3587)
    treeJournal of Structural Engineering:;1991:;Volume ( 117 ):;issue: 012
    contenttypeFulltext
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