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Fireproof coating on-site thickness measurement, practical experience for measuring point selection of various steel members

钢结构防火涂料厚度检测，测点选得不合理，极易造成验收判定偏差。

Unreasonable measuring point selection for steel fireproof coating thickness often leads to deviation in acceptance judgment.

对于钢梁、钢柱、檩条、支撑等不同构件，测点布置方式不一样：钢梁优先选翼缘、腹板受力区域；钢柱按分层布设；小型支撑选取关键受力截面，避开节点焊缝、局部修补位置。

For steel beams, columns, purlins and bracings, layout rules differ: focus on flanges and webs for beams, layer layout for columns, key stress sections for small bracings, avoid welds and patched areas.

测点数量、间距严格对标规范，做好点位标记与记录，留存影像，保证检测真实可追溯，规避后期验收风险。

Follow specification on quantity and spacing, mark points, keep photos and records to realize traceable inspection and reduce acceptance risks.