Cemex de CV : technology will give long life to the new "Puente La Unidad" bridge

CEMEX technology will give long life to the new 'Puente La Unidad' bridge

July 11, 2019

• CEMEX supplied 34 thousand cubic meters of reinforced concrete to build the second longest bridge in Mexico.

CEMEX, S.A.B. de C.V. ('CEMEX') (NYSE: CX) announced its participation in the construction of the new 'Puente La Unidad' bridge, supplying reinforced concrete with the technical characteristics that will enable it to have a useful life of approximately 50 years.

CEMEX supplied 34 thousand cubic meters of concrete for the project built on the Gulf of Mexico. Spanning a length of 3.2 km, it is considered the second longest bridge in Mexico and the fifth longest in Latin America, providing the new connection between the Mexican state of Campeche and the Yucatan Peninsula.

This infrastructure project will transport around 5 thousand vehicles per day and benefit the region's tourism, industrial, and commercial sectors.

The bridge is built to withstand the heavy vehicular loads and the extreme weather conditions of this coastal area of Mexico. For example, due to the bridge's direct exposure to the sea, various concretes were used to provide high mechanical resistance for the project.

Overall, various innovative concrete technologies were used to overcome the project's challenges. To protect the structure from corrosion and avoid expansion from the penetration of sulfates, CEMEX Duramax concrete was used for its durability, since it provides a useful life of approximately 50 years. CEMEX high-strength Fortis concrete was also used to achieve high resistance, and Ingenia, to improve the concrete's workability and enable an efficient project management.

'For this important project, we contributed all of our experience to create an engineering design that would facilitate the durability and resistance objectives of our client Consorcio Puente La Unidad,' said Alejandro Varés, Vice President of Infrastructure and Government of CEMEX Mexico. 'We also suggested the use of our Promptis accelerated-strength concrete for more efficient time management and stripping and our evolution self-compacting concrete to improve the finish of the beams and facilitate the placement of piles and footings, as well as the installation of a concrete plant dedicated to the project,' he added.

CEMEX's concrete and cement technology centers are part of the research and development collaboration network headed by CEMEX Research Group AG, headquartered in Switzerland.

CEMEX is a global building materials company that provides high quality products and reliable services. CEMEX has a rich history of improving the wellbeing of those it serves through innovative building solutions, efficiency advancements, and efforts to promote a sustainable future. For more information on CEMEX, please visit: www.cemex.com

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