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对国内建筑业几种钢筋连接新技术———钢筋挤压连接、锥螺纹边境、镦粗等强直螺纹连接方法的工作原理、应用范围进行介绍；结合各方法接头结构和工艺特点，阐述了各自的施工特点和注意事项；并从这些新技术的施工设备、连接套筒、接头性能等级、施工质量、接头成本等方面做了详细对比和综合分析；在展望新技术前景时，提出了新技术的推广要解决的问题。
The working principle and application scope of several new steel reinforcement connection technologies in the domestic construction industry—rebar extrusion connection, taper-threaded border, upsetting, etc., are introduced; combined with the joint structure and process characteristics of each method, the respective Construction features and precautions; and detailed comparison and comprehensive analysis of construction equipment, connection sleeves, joint performance levels, construction quality, joint costs, etc. of these new technologies; and in the prospect of new technologies, new technologies are proposed. The problem to be solved in the promotion.