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    Snow Load Factors For Lrfd

    Source: Journal of Structural Engineering:;1988:;Volume ( 114 ):;issue: 010
    Author:
    Richard M. Bennett
    DOI: 10.1061/(ASCE)0733-9445(1988)114:10(2371)
    Publisher: American Society of Civil Engineers
    Abstract: Snow load factors are critically examined for use in load and resistance factor design (LRFD). Specifically examined are the effects on structural reliability of the change in the basic ground load to roof load conversion factor from 0.8 to 0.7 and recent statistical data concerning the conversion factor. Using the recent data on the groundload to roof‐load conversion factor, statistics are obtained for the one‐year and fifty‐year snow load. Based on these statistics, the reliability index is on the order of 1.6 when snow load controls the design. Increasing the snow load factor from 1.6 to 2.0 increases the reliability index to roughly 2.0. Also examined is the use of extreme value theory to model the 50‐year snow load. It is determined that a direct application of extreme value theory leads to inaccurate estimates of structural reliability.
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      Snow Load Factors For Lrfd

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    contributor authorRichard M. Bennett
    date accessioned2017-05-08T20:52:47Z
    date available2017-05-08T20:52:47Z
    date copyrightOctober 1988
    date issued1988
    identifier other%28asce%290733-9445%281988%29114%3A10%282371%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/30233
    description abstractSnow load factors are critically examined for use in load and resistance factor design (LRFD). Specifically examined are the effects on structural reliability of the change in the basic ground load to roof load conversion factor from 0.8 to 0.7 and recent statistical data concerning the conversion factor. Using the recent data on the groundload to roof‐load conversion factor, statistics are obtained for the one‐year and fifty‐year snow load. Based on these statistics, the reliability index is on the order of 1.6 when snow load controls the design. Increasing the snow load factor from 1.6 to 2.0 increases the reliability index to roughly 2.0. Also examined is the use of extreme value theory to model the 50‐year snow load. It is determined that a direct application of extreme value theory leads to inaccurate estimates of structural reliability.
    publisherAmerican Society of Civil Engineers
    titleSnow Load Factors For Lrfd
    typeJournal Paper
    journal volume114
    journal issue10
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)0733-9445(1988)114:10(2371)
    treeJournal of Structural Engineering:;1988:;Volume ( 114 ):;issue: 010
    contenttypeFulltext
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