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1 前言 双钢筋生产与应用技术是国内近年来开发出来的一种高效钢筋应用技术,现已被建设部列为科技成果重点推广项目。辽宁省建设厅辽建发[1998]76号文件中已将双钢筋列为“提倡推广的技术、产品”之中。 双钢筋也叫现代增强钢筋。它是由两条相互平行的冷拔钢丝做为纵筋,与一定间距的短横筋平焊而成的梯格状
1 Introduction The double steel bar production and application technology is a kind of high-efficiency steel bar application technology developed in recent years in China. It has been listed as a key promotion project of scientific and technological achievements by the Ministry of Construction. Liaoning Provincial Department of Construction, Liao Jianfa [1998] No. 76 has listed double steel bars as “promotion and promotion of technologies and products.” Double bars are also called modern reinforced bars. It consists of two parallel, cold-drawn steel wires, which are made of longitudinal bars, and are welded together with short pitches of a certain distance.