The Bach Dang Bridge is the first all-Vietnamese designed and constructed mega infrastructural project located in northern Vietnam. The project is estimated to cost 7.3 trillion VND (approximately 312.2 million USD). The bridge 5.4-kilometer bridge spans over the historic Bach Dang River and is part of the Hanoi – Quang Ninh highway project. It also features 4 lanes of 28 meters wide, meticulously designed for speeds of up to 100km/hour traffic. The bridge and highway connection are intended to help shorten the distance from Hanoi and Quang Ninh from 175 km. to 125 km., as well as to cut travel times between the two localities in half.

The construction of the first multi-span cable-stayed bridge in Vietnam

The very first made-in-Vietnam multi-span cabled-stayed bridge features 3 H-pylons, representing Hanoi, Hai Phong, and Quang Ninh urban areas. These regions are now connected by the bridge to boost their economic growth. Bach Dang River has a historical significance as it is the site of the Battle of Bach Dang in 938CE, where rebel Vietnamese forces defeated and put an end to the Chinese imperial domination of Vietnam. Bach dang Bridge will only enhance further the strategic edge of the northern region.

用于桥梁永久应用的 Dextra 后张拉杆

For the construction of the Bach Dang Bridge, Dextra fully-threaded bars were applied to it as permanent post-tensioning anchors.
For this mega infrastructural project, Dextra supplied over 100 high performance post-tensioning bar systems. Also known as PT bars, they are specifically designed for post-tensioned applications. They can be corrosion-protected as is the case for the equipment supplied in the project. The corrosion protection is done in a controlled facility in Dextra’s factory, before being shipped to site.

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