Documentation of Structural Reinforcement Construction at Taiaojiaopei Storefront

Documentation of Structural Reinforcement Construction at Taiaojiaopei Storefront

The store sign, aged due to prolonged service, has entered the structural reinforcement phase. As the sign is permanently mounted above the entrance, hidden risks such as corroded welds and loosened anchor bolts pose safety concerns that cannot be addressed only after failure occurs. This construction project follows four steps: inspection, reinforcement, restoration, and re-verification, with all node images archived for records. The on-site inspection of the original structure.

太教化培的店招因服役年限较长,进入结构加固施工。招牌常年悬于门头上方,焊缝锈蚀、锚栓松弛都属于隐性隐患,不能等出问题再处理。本次施工按排查、加固、复原、复验四步展开,节点影像全部留档。

原结构的现场排查:搭设脚手架后,对钢结构骨架的锈蚀深度、焊缝成色与膨胀螺栓的握裹力逐项检查,排查点位拍照编号留档。临街门店的旧招牌常见基层粉化与埋件衰减,本次还发现部分板缝有雨水渗迹,排查结论据此确定采取补焊加固与局部换架结合的方案。

锈蚀的常见成因:老旧招牌的锈蚀多始于焊接节点与板面存水线,板缝排水坡度不足时,积水让涂层一层层起皮脱落。深化时调整了拼缝排水方向,关键节点增加滴水边,加固与构造修正同步做,避免只处理表象、来年同一位置再复发。

加固方案的深化:薄弱部位增加角钢与加强板,焊缝清渣后补焊,除锈工序按底漆、面漆分层完成。新增锚固点视墙体基层改用穿墙螺栓或化学锚栓,同批做拉拔试验,数据写入验收记录。补焊部位逐条探伤抽检,焊缝饱满度不合格的当场返工。

脚手架与安装管控:脚手架满铺踏板、设置连墙件与警戒区,高空作业配防坠措施并双人协同。字壳与扣板分片拆下编号存放,松动件单独记录;骨架复检合格后原位回装,用放线与对角复测校验字组共面与间距。大块板面起吊用手动葫芦辅助就位,防止单人托撑造成的错位。

复原与荷载复验:板面拼缝与穿孔部位重新打胶密封,发光字逐路通电复测,老化电源与线材一并更换。加固完成后按方案口径复核整体重量与挡风面积,验收资料与维保点位图一并移交店方,注明后续检查要点。

记录留存与巡检交代:加固前后的对比照片、拉拔试验数据与涂装记录整理成册存入门店档案,巡检点位我们给店方定了焊接节点与锚栓排两处,每年雨季末复查一次。

招牌维护的周期藏在锈点、螺栓与焊点这些细节里。重庆气候多雨潮湿,户外招牌建议每年做一次专项检查,重点看焊接节点与锚固点。合川团队面向重庆门头招牌提供标识维修与加固服务,本纪实归档备查,供同类加固项目参考。

(配图说明:配图一张为钢构骨架吊装就位现场照片,一张为临街门店店招成品照片,均为同类工况记录,非太教化培本项目本体,仅作店招结构与安装过程参考。)



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Yu ICP Be 18012268 No. -2