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    求教各位修建巨匠,用150的PURLIN建一个7.5X7.5的车棚单边两个立柱仍是三个立柱?

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    2021-5-14 16:27:45 446 7

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    skywarrior 发表于 2021-5-14 16:05:14

    skywarrior 沙发

    2021-5-14 16:05:14

    http://www.spanman.net/Members/purlin-single-span#

    waji_42 发表于 2021-5-14 16:09:26

    waji_42 板凳

    2021-5-14 16:09:26

    150Cee purlin is struggling to do the job. Also, you need a edge beam to pick up the purling. Suggest you to install three post and use 200Cee purlin for 7.5m span. Have u engage a structural engineer to design for you?:
    零丝残绪 发表于 2021-5-14 16:14:25

    零丝残绪 地板

    2021-5-14 16:14:25


    您是说倡议用200的purlin?我见过学校用purlin做柱子。
    zhl1981221 发表于 2021-5-14 16:16:53

    zhl1981221 5#

    2021-5-14 16:16:53


    PFC 和轻钢你能分得清吧。7.5m purlin, you need to check the wind load up and down pressure. I do not think the table you attached is correct for you to use.
    moonlight 发表于 2021-5-14 16:20:07

    moonlight 6#

    2021-5-14 16:20:07


    这个真不懂,还请赐教

    https://www.stratco.com.au/custo ... ns-girts-design.pdf
    99yzy 发表于 2021-5-14 16:25:05

    99yzy 7#

    2021-5-14 16:25:05


    这个没法教你的。PFC 又称channel,是构造槽钢。轻钢就是Cee purlin or Z purlin,次要用在房顶的rafter 上。这个purlin的间距大略1.2米摆布。尺寸大小和间距次要看风载。一句话两句话是说不分明的。咱们干了20多年工程师都不敢乱说的。
    萧萧而下 发表于 2021-5-14 16:27:45

    萧萧而下 8#

    2021-5-14 16:27:45


    感激分享!是轻钢,比这类牢固

    https://www.bunnings.com.au/absc ... le-carport_p3310291

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