Taking the extra-long bridge on Bao-Xi Railway across the Yellow River as an example,the 48m girder pre-casting technology,including reinforcement processing,formwork fixing,and concrete casting and curing,is introduced.

This paper provides the methods of concrete pouring and vibrating base on the summary of the constraction experience for many years.

By research on construction key technology, such as the fabriation, installation and concrete pouring of steel tube concrete arch rib of NO.

In this paper,the effects of unfavourahle conditions during rainy season on the construction quality are discussed,such as materials,steel welding and concrete pouring.

In this paper,the key techniques for application of the casting type asphalt concrete to the surfacing of the orthotropic plate steel deck of the Bridge are presented and the techniques for proportioning an.