郑州黄河二桥钢管拱施工技术要点

A Key Point of Construction Technology of Steel Arch Pipe in Yellow River 2nd Bridge in Zhengzhou

钢管混凝土系杆拱桥的施工难点主要在于钢管的制作、加工,它的重点在于拱内混凝土配合比的设计与泵送工 艺,只要把握好重点和难点,精心组织施工,就能保证高质量地完成钢管拱桥的施工。

The difficulties of arch bridge in concrete structure construction are to make and process the pipe. The point of them is to design the making up a prescription in arch of concrete and the craft of transfer by pump. If we keep the key and difficulty point, meticulously organize the construction, we could ensure the high quality with the steel arch pipe.