Grand Paris Express – Line 16-18, France

Dextra has proudly supplied its high-performance Fortec rebar couplers and Sonitec crosshole sonic logging (CSL) tubes for the construction of the Grand Paris Express Line 16-18 in France, one of Europe’s most ambitious infrastructure projects. This metro expansion aims to improve connectivity between the suburbs and the city center, providing a more efficient transportation network for millions of commuters.

Dextra’s Fortec couplers were utilized for reliable and durable rebar connections, ensuring the structural integrity of the extensive underground tunnels and stations. In addition, the Sonitec CSL tubes were supplied for concrete pile integrity testing, essential for assessing the quality of deep foundations. These innovative solutions have contributed to the project’s success in meeting high safety and performance standards, underscoring Dextra’s commitment to delivering top-quality materials for large-scale infrastructure developments.

With the Grand Paris Express set to transform the city’s transportation landscape, Dextra’s involvement highlights its role in shaping resilient and sustainable urban infrastructure.