裴  智  王友权王树芬  魏晓东
       （山东省建筑设计研究院  济南 250001）

[提要]  简述了冷拔螺旋钢筋的各项机械性能及力学性能指标，同时给出预应力冷拔螺旋钢筋空心板的试验结果，另外还分析了开发冷拔螺旋钢筋的生产技术及经济效益。
[关键词]  冷拔螺旋钢筋 预应力  空心板

All kinds of mechanical properties for the Cold Spirally-drewing Deformed Bar(CSDB) are simply intro-duced, and the test results of the prestressed round-hole slab reinforced with the Cold Spirally drewing Deformed Bar are given. The technology for manufacture and the financial benefit for the development of CSDB are analyzed.
Keywords:  Cold Spirally-drewing Deformed Bar; prestress; round-hole slab