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不銹鋼水箱焊接時的六項要求

來源:塑膠五金網發布時間:2021-03-24 18:35:22點擊率:
在工程建筑中,保溫水箱鋼筋焊接普遍用于綁扎接頭。熱扎鋼筋的焊接工藝一般采用閃光對焊、電阻點焊、電弧焊、鋼筋焊接和電弧焊。電焊焊接時要遵循下列六項規定。
1、冷拔鋼筋應焊接接頭,然后冷拔。
2、冷拔低碳鋼絲,不可采用閃光對焊和電弧焊。
3.焊接頭與鋼筋彎曲處的間距不可低于鋼筋直徑的10%。
4.應電焊接徑向受拉鋼筋和小軸力受拉預制構件。
5.直接承受中型和超重型工作中的構件中的承受力鋼筋不可采用焊接接頭。
6、設定在同一預制構件上的焊接接頭應分開。在直徑為30根鋼筋的橫截面內,一根鋼筋不可有兩個連接頭(預制構件總長鋼筋要少設焊接接頭),有連接頭鋼筋的截面占鋼筋總截面的百分數,非預應力鋼筋鋼筋:受拉總面積不超過50;受力區和裝配式結構連接頭不受到限制。預應力鋼筋:受拉區不可超出25;采用閃光對焊時,品質可靠時可放開至50,受力區擠出機螺桿端桿和后張方式不受到限制。
直徑超過11mm的鋼筋連接頭一般采用閃光對焊或電弧焊;架構、煙筒、倉筒、堤壩等澆筑鋼筋鋼筋混凝土的縱向鋼筋應采用鋼筋焊接;直徑低于12mm的零件和冷拔高碳鋼絲鋼筋交叉式常采用電阻點焊。鋼筋與厚鋼板聯接呈T形,電弧焊電弧焊接或電弧焊為宜。電焊焊接時,既要達到自身的需求,又要遵照上面的六個流程,循序漸進。
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