城市中心高架钢桥施工期保畅通实践

The Elevated Steel Bridge Construction Period to Protect Open Practice in the Heart of the City

改造老旧道路、修建高架桥的施工期会加剧道路的拥堵。在郑州北三环快速化改造中，通过采取组织、管理、技术、经济等综合措施，实现了施工期原有主干道路畅通的目标，可为类似工程提供经验和借鉴。

Transform the old road and construct the viaduct wil intensify during the construction of road congestion. In the rapidness reform of the north third ring road in Zhengzhou, the author takes the comprehensive measures of organization, ma-nagement, technology, and economy, etc and achieves the goal of the original main road unimpeded during the construction period, which can provide experience and reference for similar projects.