Unequal-height steel column elevation adjusting method for horizontal sliding construction of steel truss: Fid-Bau Portal

Unequal-height steel column elevation adjusting method for horizontal sliding construction of steel truss

ZHU WENFENG / WU WENLONG / SHEN XIALEI / WANG YANSONG / CHEN HUI

The invention discloses an unequal-height steel column elevation adjusting method for horizontal sliding construction of a steel truss, which comprises the following steps of: 1, selecting a construction standard, and designing and installing other structures by taking a standard structure as a reference; 2, a plurality of adjusting base plates 8 are additionally installed between the top of the steel column and the track 5 so that the track 5 can be horizontally arranged, and 3, after the truss slides in place, measures are taken to dismantle sliding shoes 6 at the bottom of the truss support 1, dismantle the track 5, dismantle the adjusting base plates 8, install the cast steel support 3, unload the truss 13, and finally dismantle a sliding steel beam. By processing the top elevation of the original structural steel column, it is guaranteed that the upper steel truss slides along the horizontal straight line, and the problem that original unequal-height steel columns are used for linear sliding is effectively solved; the method is ingenious in design, easy to operate, safe and stable, and has wide application prospects in large-span steel truss sliding construction.

本发明公开了一种用于钢桁架水平滑移施工的不等高钢柱标高调整方法，包括以下步骤：步骤1：选取施工的基准，以基准结构为参照，设计并安装其他的结构；步骤2：在钢柱的顶部和轨道5之间加装若干调节垫板8以使轨道5呈水平设置，步骤3：桁架滑移到位后，采取措施拆除桁架支座1底部的滑靴6，拆除轨道5，拆除调节垫板8，安装铸钢支座3，桁架13卸载，最后拆除滑移钢梁，本发明通过对原有结构钢柱柱顶标高进行处理，保证上部钢桁架沿着水平直线滑移，有效解决了利用原有不等高钢柱进行直线滑移的难题；本发明设计巧妙，操作简单，安全稳定，在大跨度钢桁架滑移施工上有着广泛的应用前景。

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