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脚手架的特点

Release time：

2020-10-15 16:08

source：

       不同类型的工程施工选用不同用途的脚手架。桥梁支撑架使用碗扣脚手架的居多，也有使用门式脚手架的。

       脚手架与一般结构相比，其工作条件具有以下特点：

   1、所受荷载变异性较大；

   2、扣件连接节点属于半刚性，且节点刚性大小与扣件质量、安装质量有关，节点性能 存在较大变异；

   3、脚手架结构、构件存在初始缺陷，如杆件的初弯曲、锈蚀，搭设尺寸误差、受荷偏心 等均较大；

   4、与墙的连接点，对脚手架的约束性变异较大。

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