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钢筋的接头有绑扎和焊接两种形式,这两种接头由于焊接接头牢固可靠(特别是直径较大的钢筋),搭接长度短,可节约钢材,宜优先采用。但目前在农村建筑中,由于受焊接技术和焊接设备等条件限制,加之电力经常不能保证供应,或所使用的钢筋直径较小因而仍多采用绑扎接头,尤其是农村民用建房,几乎全部都采用绑扎接头。由于操作人员素质差,对接头的一些规定缺乏应有的了解,因而错误时
Reinforcing steel joints are available in two types: lashing and welding. Because both welded joints are solid and reliable (especially steel bars with larger diameters), the lap joint length is short, which can save steel materials and should be used preferentially. However, at present, in rural construction, due to the limitations of welding technology and welding equipment, as well as the fact that electric power often cannot guarantee supply, or that the diameter of rebars used is small, lashing joints are still used in many cases, especially in rural areas. Use lashing joints. Due to the poor quality of the operators, some regulations on the joints lacked due understanding and were therefore wrong.