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在无产阶级文化大革命期间,我车间从1970年开始筹建和试验新的预应力混凝土轨枕生产工艺线,1973年建成,投产两年多来的生产实践表明,这条新的工艺线在布局上比较合理,是行之有效的一种新设施。一、概况这条预应力钢筋混凝土轨枕生产工艺线安设在我车间新建的厂房内,包括临时堆放场在内长126米、宽18米,占地面积2268平方米。生产对象是铁道部设计的69型预应力钢筋混凝土轨枕。轨枕的外型见图1,每根体积0.1立方米,混凝土标号500号。配筋是4根高强调质处理的低合金扁钢(属Ⅴ级钢,极限强度大于或等于15,000公斤/厘米~2。
During the proletarian cultural revolution, my workshop began to build and test new prestressed concrete sleeper production process lines from 1970. It was completed in 1973. Production practices that have been put into production for more than two years show that this new process line has been compared in terms of layout. Reasonable is a new facility that is effective. I. Overview This prestressed reinforced concrete sleeper production process line is installed in the new factory building of our workshop, including the temporary storage yard, which is 126 meters long and 18 meters wide, and covers an area of 2,268 square meters. The object of production is the Type 69 prestressed reinforced concrete sleeper designed by the Ministry of Railways. The appearance of the sleeper is shown in Figure 1. Each volume is 0.1 cubic meters and the concrete number is 500. Reinforcing bars are four high-strength flat steels (higher grade V steels with ultimate strength greater than or equal to 15,000 kg/cm2).