反拱圆弧形底板钢管滚碾成型工法

Rolling forming construction method of steel tube in counterarch arc-shaped base slab

介绍了反拱圆弧形底板钢管滚碾成型技术的工法特点和适用范围,阐述了该技术的施工工艺及各工序的操作要点,并对施工中的注意事项进行了论述,列举了工程实例验证了该施工技术的优越性,收到了良好的经济和社会效益。

This paper introduces characters and application sphere of counter-arch arc-shaped base slab steel tube rolling forming technology, illustrates its construction technology and operating elements of its each process, discusses attentions in construction, and lists its superiorities by engineering instance, in order to achieve well economic and social benefits.