郑州桃花峪黄河大桥引桥体外预应力索安装工艺研究与实践

本文主要介绍环氧喷涂无粘结钢绞线体外预应力索在实体工程—郑州桃花峪黄河大桥堤内引桥的应用,从体外索下料、穿索、张拉、锚头防腐及防护等方面,探索了桥梁体外预应力索的安装工艺。

This article introduces briefly the appliance of Epoxy coated non bonded steel strand external prestressing tendons in Zhengzhou Taohuayu Yellow River Bridge’s span. And exploring the new method in construction process ， such as cutting length，reeving tendons ， applying prestress on tendons， protecting anchor from corrosion，etc.