目前国内常用的结构体系主要有哪些? - 集成房屋_山东集装箱房屋供应商_威海组合式集成房屋生产厂家_烟台万合集成房屋有限公司
 
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目前国内常用的结构体系主要有哪些?

2015-11-23

核心提示:轻钢房屋住宅近年来在我国得到了快速的发展,随着我国钢产量的快速增长,对用钢政策由限制用钢到合理用钢到积极用钢,国务院1999年颁发文件提出要发展钢结构住宅产业,在沿海大城市限期停止使用粘土砖。因此开发轻钢结构住宅体系已成为当前住宅结构研究中的热点,而且多层轻钢住宅示范楼的设计与施工是推广这种新型体系的最好方式。 轻钢结构住宅相比于传统住宅,有其突出的优点:轻钢结构配件制作工厂化和机械化程度高,商品化程度高。现场施工速度快,主要为干作业,有利于文明施工。钢结构建筑是环保型的可持续发展产品。自重轻,抗震性能好。 目前国内常用的结构体系主要有:冷弯薄壁型钢体系、构件用薄钢板冷弯成c形、z形构件,可单独使用,也可组合使用,杆件间连接采用自攻螺钉。这种体系节点刚性不易保证,抗侧能力较差,一般只用于1~2层住宅或别墅。这种体系在多层钢结构住宅中应用最广。纵横向都设成钢框架,门窗设置灵活,可提供较大的开间,便于用户二次设计,满足各种生活需求。钢框架考虑楼盖的组合作用,运用在低多层住宅中,一般都能满足抗侧要求。但是由于目前框架柱以h型钢为主,弱轴方向梁柱连接的刚性难以保证,因此设计施工时须慎重处理。

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