Construction method for positioning foundation bolts of steel structure: Fid-Bau Portal

Construction method for positioning foundation bolts of steel structure

FAN YUQUAN / ZHANG FUXIANG

The invention relates to building construction, in particular to a construction method for positioning foundation bolts of a steel structure. Comprising the following steps that S1, a control template is manufactured, specifically, the control template is manufactured according to the diameter and the arrangement mode of foundation bolts, and foundation bolt holes are drilled in the control template; s2, paying off the coordinates of the center point of the foundation bolt and the circle center of the steel column on the cushion layer; s3, foundation bolts are installed; s4, the foundation bolts are sleeved with the control formwork, and the distances between the foundation bolts are corrected; s5, hanging a plumb bob in the center of the control template, and rechecking the coordinate point of the circle center of the steel column determined on the cushion layer by using the plumb bob; s6, a formwork is erected, and concrete is poured; and S7, after pouring, a control template is used for retesting. According to the method, the installation deviation of the foundation bolt is effectively solved, the phenomenon of overall deviation of the foundation bolt is avoided, remeasurement can be more efficiently carried out after pouring is completed, the construction precision is improved, and the construction efficiency is improved.

本发明涉及建筑施工，特别是一种钢结构地脚螺栓定位的施工方法。包括如下步骤：S1、制作控制模板，根据地脚螺栓的直径和排布方式制作控制模板，在控制模板上钻设地脚螺栓孔；S2、在垫层上放线出地脚螺栓中心点和钢柱圆心的坐标；S3、地脚螺栓安装；S4、将控制模板套入地脚螺栓上，对各个地脚螺栓之间的距离进行矫正；S5、在控制模板的中心悬挂线锤，用线锤复核在垫层上确定好的钢柱圆心的坐标点；S6、支设模板，混凝土浇筑；S7、浇筑后用控制模板进行复测。本发明有效的解决地脚螺栓安装偏差，解决地脚螺栓整体偏移的现象，在浇筑完后可以更有效率的进行复测，提高施工精度，提高施工效率。

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