MAURER designed sliding lamella-expansion joints for the Hong Kong-Zhuhai-Macau Bridge

The installation of the expansion joints has to be fast and uncomplicated.

Zhuhai, Munich. Presently, the 35 km long Hong Kong-Zhuhai-Macao Bridge (HZMB) is being constructed over the Pearl River Delta. One of many technical challenges is the Jianghai Bridge, a cable stayed bridge of 700 m main span. For the expansion joints, the designers had foreseen recesses in the end steel girder, which are the location where the joints shall be anchored. MAURER designed expansion joints that could be easily inserted into the prefabricated recesses and connected to the bridge deck.