The straight thread connection technology is employed for the cast in-situ piling pile and pier column reinforcing bar connection in Nanchang-located a viaduct project.

• 南昌市某高架桥工程中钻孔灌注桩及墩柱钢筋连接采用直螺纹连接技术,接头质量稳定,大大加快了施工进度,节约了钢材,获得了良好的经济、社会效益。