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解決方案產品技術新聞動態(tài)

鋼筋混凝土梁與型鋼混凝土柱連接技術瓶頸突破

2021/03/23 分類:解決方案鋼筋與型鋼連接 2978

連接問題

鋼筋與型鋼鋼骨柱連接，在很多大型公建項目上都會遇到連接所帶來的質量控制問題，具體如下：

鋼筋的一端進行直螺紋加工與型鋼柱通過焊接套筒進行有效連接，其特點方便快捷，操作簡單，質量穩(wěn)定且可控，功效高，成本較低，如圖1

鋼筋混凝土梁與型鋼混凝土柱連接技術瓶頸突破插圖

圖1

?另一端鋼筋因無法轉動，采用連接板焊接操作。特點能夠解決鋼筋在無法轉動的情況下與型鋼柱連接，但焊接質量不合格項較多，質量管控難度大，連接效率低，探傷檢測合格率低，質量不穩(wěn)定，連接板重量大造價高，檢測難度大，如圖2 鋼筋混凝土梁與型鋼混凝土柱連接技術瓶頸突破插圖1

圖2

兩端均采用焊接套筒連接，因鋼筋無法再次轉動，造成連接困難，采用焊接連接。焊接長度損失原料，焊接質量同樣不可控，焊接作業(yè)時間長，合格率低，功效低，探傷檢測無法保證100%合格，且檢測費用高，施工進度難以保證，如圖3

鋼筋混凝土梁與型鋼混凝土柱連接技術瓶頸突破插圖2

圖3

解決方案

一種新型裝配式機械連接工藝，型鋼鋼骨柱均采用焊接套筒連接，中間不能轉動的部位，采用新型機械連接方法，將兩根不能轉動的鋼筋進行原位連接，連接時連接鋼筋不會產生位移，操作僅需要連接扳手。連接速度一分鐘完成操作（鋼筋同樣是直螺紋絲頭），現場構件割取，達到一級接頭強度，批量連接質量非常穩(wěn)定，作業(yè)時間大幅降低，質量驗收可操作性強?，F場無明火作業(yè)，大量節(jié)省焊工作業(yè)及費用，如圖4 鋼筋混凝土梁與型鋼混凝土柱連接技術瓶頸突破插圖3

圖4

豎向鋼筋與型鋼梁連接，同樣上下兩個鋼筋在無法轉動的情況下，通過旋轉套筒完成原位連接，如圖5 鋼筋混凝土梁與型鋼混凝土柱連接技術瓶頸突破插圖4

圖5

直螺紋與新型套筒結合，各施所長，降本增效，如圖6圖7

鋼筋混凝土梁與型鋼混凝土柱連接技術瓶頸突破插圖5

圖6

鋼筋混凝土梁與型鋼混凝土柱連接技術瓶頸突破插圖6

圖7

上一篇: 超大、超長樁基籠對接下一篇: 解決預制蓋梁中濕接縫鋼筋安裝過程中縫隙過大

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