Jobsite description

1915 Canakkale is a 3.6km suspension bridge being built over the Canakkale Strait in Turkey.
Located at the western end of the Marmara Sea, the bridge is expected to become the longest mid-span suspension bridge in the world, upon completion. This major construction site started in December 2017 and is expected to be completed in March 2022. Canakkale bridge is designed to span a distance of 4,608 meters in total, the span between each of the 318m tall bridge towers being 2,023 meters long.
Upon completion the Canakkale Bridge will become the longest bridge span in the world.

CHRYSO expertise

This impressive jobsite is full of challenges and CHRYSO supported this project with a large panel of products and tailor-made solutions to address durability and workability specifications.
This project represents 350.000 m3 of concrete work and CHRYSO provided its expertise to build key bridge structures’ components, such as: Foot bases and concrete anchor blocks / Wall concrete and bridge feet for offshore casting.
Each tower foundation is positioned at a depth of around 40 meters on the sea bed, and the height of the steel towers is 318 meters.


  • Superplasticizers: CHRYSO®Optima 100, CHRYSO®Optima 160-B, CHRYSO®Optima 161
  • Plasticizers: CHRYSO®Delta 2210-1W, CHRYSO®Delta 467 WW

Project technical challenges

CHRYSO provided a wide range of solutions, especially CHRYSO®OPTIMA products which allowed for rheological consistency and 6-7 hours workability retention without any segregation.
CHRYSO®CLEAR Technology was also used to enhance the flowability of high fine content and low W/C concretes.
The high strength concrete complies with 120 year service life guarantee requirements.

Project participants


Concrete Suppliers: AKÇANSA (Heidelberg JV);  H.Çetinkaya Beton

Other references

luminescent concrete by night
City infrastructure

Cammino della Corba

Nestled amidst the picturesque landscapes of Massa Fiscaglia, Ferrara, the “Cammino della Corba” serves as a vital link between the sanctuary of the Madonna della Corba and the urban center of Massa Fiscaglia.

Massa Fiscaglia, Ferrara, Italy
View reference
Cammino della Corba
City infrastructure

Tour Mohammed VI

The Mohammed VI Tower is the tallest building in Africa, rising to an impressive height of 250 metres. Located in the Moroccan city of Rabat, it was designed to be visible from a distance of 50 kilometres.

Rabat, Morocco
View reference
Tour Mohammed VI