precasting

In harbour construction, precasting caissons with slipform construction technology is a new attempt.

港口工中，利用滑模工艺预制沉箱是种新的尝试。

The technique of pier integral precasting at the sea was researched and applied in the innavigable section construction of Donghai Bridge(the first bridge at the sea in China).

上墩柱整体预制吊装在我国第桥梁东大桥非通工中得以研究和全面应用。