第一冶金建设公司机装工程公司一队,在武钢某轧钢厂修建工程上,成功地采用“托梁换柱”的方法,从已有基础中取出地脚螺丝。由于这一方法的采用,缩短工期两个多月,节约三千九百多工日,并少用了三万多元的投资。该轧钢厂650轧机轨座和前后四台摆动台的52 A team of the First Metallurgical Construction Company’s equipment assembly company successfully used the method of “pillar replacement” in the construction of a rolling mill at Wuhan Iron and Steel Company and removed the anchor bolt from the existing foundation. Due to the adoption of this method, the construction period was shortened by more than two months, saving more than 3,900 working days and using less than 30,000 yuan in investment. The rolling mill 650 mill rail seats and the front and rear four swinging platforms 52