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Salinas Bridge, Amazonas, Peru

Maximum performance in hostile enviroments
The 93.6 m long bridge links the Marañón river banks and will boost trade and tourism in the Amazon region.

Description

The 93.6 m long bridge links the Marañón river banks and will boost trade and tourism in the Amazon region.

The mountainous terrain demanded a precise topographic control. Moreover, the risk of severe flash floods and the lack of space determined the project design: a false through arch bridge supported at the ends and built with systems that do not require the use of crane.

ULMA solution

With the MK System all required configurations were solved. The on-site advice during the assembly process and the quick delivery of 240 t of MK ensured maximum product efficiency.

The 28.30 m high MK shoring towers were erected to hold the MK arch during its assembly and dismantling process, as well as to hold the bridge deck formwork. The towers also aided the concrete pouring process.

MK Structures were used to form the curvature of the two concrete beams of the bridge deck arch. The structure had a rectangular section with a width of 1.2 m and variable depths (2 m at the bearings and 1.25 m at the crown), and it was successfully closed in the center.

The MK System offered the most efficient and cost-effective solution. Versatile and adaptable, it provided for 100% compliance with the tight construction deadlines.