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    Steel Semirigid Column–Tree Moment Resisting Frame Seismic Behavior

    Source: Journal of Structural Engineering:;2003:;Volume ( 129 ):;issue: 009
    Author:
    Kurt Michael McMullin
    ,
    Abolhassan Astaneh-Asl
    DOI: 10.1061/(ASCE)0733-9445(2003)129:9(1243)
    Publisher: American Society of Civil Engineers
    Abstract: Semirigid moment-resisting frames can provide seismic resistance of buildings if the connections are engineered for ductile behavior. Column–tree construction can utilize splice assemblies to provide stable energy dissipation during lateral movement. Analytical studies showed that global performance was enhanced for a 4-story and 24-story building by switching from rigid to semirigid frame construction. An experimental test was conducted of a candidate connection made from T-shape hot-rolled sections for use in the building frames. The flange plates were tested with cyclic axial loads, approximating the expected loading of a flange splice when the connection rotates as a semirigid frame connection. Yielding of the reduced plate section and slip of the bolts provided stable and ductile behavior. Slip behavior of the bolts remained stable over several cycles and would allow significant rotation of a beam hinge. A comparison of the analytical demand and the experimental capacities obtained from the test specimen showed that the connection design would provide the capacities required during severe ground motions.
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      Steel Semirigid Column–Tree Moment Resisting Frame Seismic Behavior

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/34125
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    contributor authorKurt Michael McMullin
    contributor authorAbolhassan Astaneh-Asl
    date accessioned2017-05-08T20:58:48Z
    date available2017-05-08T20:58:48Z
    date copyrightSeptember 2003
    date issued2003
    identifier other%28asce%290733-9445%282003%29129%3A9%281243%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/34125
    description abstractSemirigid moment-resisting frames can provide seismic resistance of buildings if the connections are engineered for ductile behavior. Column–tree construction can utilize splice assemblies to provide stable energy dissipation during lateral movement. Analytical studies showed that global performance was enhanced for a 4-story and 24-story building by switching from rigid to semirigid frame construction. An experimental test was conducted of a candidate connection made from T-shape hot-rolled sections for use in the building frames. The flange plates were tested with cyclic axial loads, approximating the expected loading of a flange splice when the connection rotates as a semirigid frame connection. Yielding of the reduced plate section and slip of the bolts provided stable and ductile behavior. Slip behavior of the bolts remained stable over several cycles and would allow significant rotation of a beam hinge. A comparison of the analytical demand and the experimental capacities obtained from the test specimen showed that the connection design would provide the capacities required during severe ground motions.
    publisherAmerican Society of Civil Engineers
    titleSteel Semirigid Column–Tree Moment Resisting Frame Seismic Behavior
    typeJournal Paper
    journal volume129
    journal issue9
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)0733-9445(2003)129:9(1243)
    treeJournal of Structural Engineering:;2003:;Volume ( 129 ):;issue: 009
    contenttypeFulltext
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