Two lane Highway Truss Structure Steel Bridge 120m Construction-Zhejiang Huawu Steel Structure Engineering Co Ltd

Two lane Highway Truss Structure Steel Bridge 120m Construction

2024/4/13 view:

Two lane Highway Truss Structure Steel Bridge 120m Construction

2-lane Highway Truss Structure Steel Bridge 120m Construction

Following Construction's amazing success building the double-lane Highway Truss Structure Steel Bridge 120m in Easter Nepal, the local company was selected by the local government to build two even bigger and more important bridges.

These were to be two-lane highway Truss Structure Steel Bridge 120m, to BS/EN Standards, spanning 120m over fast flowing rivers. These were over the Sabha Khola and Arun Khola rivers.

The roads on one side of these bridges are currently near impassable tracks; on the far sides roads are currently virtually non-existent. The 2-lane Highway Truss Structure Steel Bridges will enable enormous cut-off areas to be accessed.

ZHM designed both of these to be erected without access into the river, because the Arun river was too fast and too deep to do anything else.

However the contractor chose to build the Sabha Khola bridge first; and because this river was more seasonal, to build it on supports instead of cantilever launching.

ZHM built a series of gabions and on these locally produced steel trestles. On these the lower steel chords were erected and braced. Then the intermediate chord, with the bracing and anti-collision steel, was added.

The construction took less than a year, when the normal time for a bridge construction in Nepal is 5 years. This is the biggest clear span bridge in the whole of Nepal.

When you arrive bouncing along the 50 miles or so of rutted track, the sight of the bridge is astonishing.