Engineering
8 years ago

Innovative Erection Scheme Solves Bridge Construction Challenges with Precision.

Comparison and Selection of Erection Schemes for the First Span Roadway Box Girder of Zhengzhou Huanghe River Rail-cum-Road Bridge
Guizhi Chen

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The researchers compared different ways to build the first span roadway box girder of a bridge. They couldn't just slide it into place because the pier was too narrow. After looking at different options, they decided to build the middle part first and then slide the edges into place. This method worked well and the girder was successfully erected on the narrow pier.