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    Influence of Ground-Motion Characteristic Period on Reductions in Peak Dynamic Shears Owing to Base-Slab Averaging

    Source: Journal of Structural Engineering:;2017:;Volume ( 143 ):;issue: 009
    Author:
    Quinn Peck
    ,
    Mark Aschheim
    ,
    Craig Comartin
    DOI: 10.1061/(ASCE)ST.1943-541X.0001825
    Publisher: American Society of Civil Engineers
    Abstract: The relatively high story shears observed in inelastic dynamic analysis of shear wall buildings are attributed to higher mode effects. At the same time, soil-structure interaction can alter the frequency content of incident ground motions. This study examines the effect of base-slab averaging on peak story shears for an eight-story reinforced concrete shear wall building. Base slab averaging was found to reduce peak story shears. The reduction in peak story shears was found to be a function of the characteristic period of the ground motion; the largest percentage reductions are found for ground motions having the smallest characteristic periods.
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      Influence of Ground-Motion Characteristic Period on Reductions in Peak Dynamic Shears Owing to Base-Slab Averaging

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4242589
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    contributor authorQuinn Peck
    contributor authorMark Aschheim
    contributor authorCraig Comartin
    date accessioned2017-12-16T09:24:28Z
    date available2017-12-16T09:24:28Z
    date issued2017
    identifier other%28ASCE%29ST.1943-541X.0001825.pdf
    identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4242589
    description abstractThe relatively high story shears observed in inelastic dynamic analysis of shear wall buildings are attributed to higher mode effects. At the same time, soil-structure interaction can alter the frequency content of incident ground motions. This study examines the effect of base-slab averaging on peak story shears for an eight-story reinforced concrete shear wall building. Base slab averaging was found to reduce peak story shears. The reduction in peak story shears was found to be a function of the characteristic period of the ground motion; the largest percentage reductions are found for ground motions having the smallest characteristic periods.
    publisherAmerican Society of Civil Engineers
    titleInfluence of Ground-Motion Characteristic Period on Reductions in Peak Dynamic Shears Owing to Base-Slab Averaging
    typeJournal Paper
    journal volume143
    journal issue9
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0001825
    treeJournal of Structural Engineering:;2017:;Volume ( 143 ):;issue: 009
    contenttypeFulltext
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