Using the longitudinal prestress t echnology,the bottom crack width of a 8 meters high sigle piece exterior cantile ver reinforced concrete wall at the height of 60 meters has been controlled to t he limitation of concrete rode.

• 通过采用竖向预应力技术 ,解决了 60m高度处单片 8m高悬臂钢筋混凝土墙根部裂缝宽度超过规范限值的问题 ;