目前材料市场上销售最好的两种脚手架一种是门式脚手架还有一种就是梯形脚手架；梯形脚手架之所以会如此受欢迎，是由它的性能特点决定的。首先，梯形脚手架的用途广：室内外装修、门店广告牌、桥梁、楼宇支撑,高架桥﹑高架路﹑涵洞﹑隧道﹑大坝建设﹑电站﹑室内外装修工程等，还可用于搭设成各类演出舞台、观礼台、看台、临时广告架等。
At present, there are two kinds of scaffolding which are best sold in the material market, one is portal scaffolding and the other is trapezoidal scaffolding. The reason why trapezoidal scaffolding is so popular is determined by its performance characteristics. First of all, trapezoidal scaffolding has a wide range of uses: indoor and outdoor decoration, shop billboards, bridges, building support, viaducts, viaducts, culverts, tunnels, dam construction, power stations, indoor and outdoor decoration projects, and can also be used to build various performance stages, auditoriums, stands, temporary advertising racks, etc.
其次，梯形脚手架的效率高：机动灵活，快速拆装，不用螺丝，取得了事半功倍的效率。提升、装拆和运输及其方便。
Secondly, trapezoidal scaffolding has high efficiency: flexible, quick disassembly, no screw, and achieved twice the efficiency with half the effort. Lifting, assembling, disassembling and transportation and their convenience.
第三，该脚手架经济实用，成本低，占用空间小，使用时间长。如保养好，可重复使用30次以上。
Thirdly, the scaffold is economical, practical, low cost, small space occupation and long use time. If well maintained, it can be reused more than 30 times.
最后，梯形脚手架安全可靠，接头自锁能力好，系列标准化。整体性能好：配有脚踏板、平行架、扣墙管、水平和交叉拉杆管等纵横锁位装置。承受作用力合理：由立管直接垂直承受压力，各性能指标满足施工需要。防火性能好，所有主架和配件均为钢制品。
Finally, the trapezoidal scaffolding is safe and reliable, the joint self-locking ability is good, and the series is standardized. The overall performance is good: equipped with pedal, parallel frame, buckle wall pipe, horizontal and cross tie rod pipe and other vertical and horizontal locking devices. Reasonable bearing force: the riser bears pressure directly and vertically, and each performance index meets the construction needs. Fire resistance is good, all the main frame and accessories are steel products.
移动脚手架的正确安装搭设事项不同类型的工程施工选用不同用途的移动脚手架和模板支架。目前，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。主体结构施工落地脚手架使用扣件脚手架的居多，移动脚手架立杆的纵距一般为1.2~1.8m；横距一般…
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