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A bird’s eye view of The Missing Link, clearly illustrating the treacherous terrain on which the project has been developed.

The Mumbai-Pune Expressway, a vital artery connecting two of India's major cities, is undergoing a significant upgrade with the construction of the 13.3 km “Missing Link” project. This ambitious undertaking, spearheaded by the Maharashtra State Road Development Corporation (MSRDC), is being constructed by the infrastructure and engineering multinational corporation Afcons Infrastructure Ltd, which is executing Package-II. This aims to revolutionise connectivity by reducing travel distance by over six kilometres and travel time by approximately 30 minutes. Doka plays a pivotal role in this project, providing expertise and innovative systems for the construction of this complex cable-stayed bridge.

Bridging the Gap

The Missing Link project is designed to bypass the Khandala Ghat section of the existing expressway, notorious for its hairpin bends and susceptibility to landslides. The project includes two, eight-lane twin tunnels, viaducts, and a series of bridges, including a 650-metre-long cable-stayed bridge with a diamond-shaped pylon soaring 181.77 meters high, making it one of the tallest in India. This bridge is a testament to engineering ingenuity, designed to navigate steep slopes and hazardous sections of the existing expressway, transforming the 19 kilometres stretch from the Khopoli Exit to the Sinhagad Institute into a "zero-fatality corridor."

Formwork Solutions: Shaping Complex Structures

Doka's expertise in formwork solutions is evident in its contributions to the cable-stayed bridge's construction. The diamond-shaped pylon, with its complex geometry and inclinations in different directions, presented a unique challenge. Doka's engineers devised a tailored solution combining the Xclimb60 Short Track and Automatic climbing formwork SKE100 plus systems. This innovative approach allows for the efficient and precise execution of the construction process, addressing both the simpler and more intricate sections of the pylon.

Doka's formwork systems are renowned for their safety, speed, and efficiency, and this project is no exception. The Automatic climbing formwork SKE50 plus and SKE100 plus, Guided climbing formwork Xclimb 60, along with the Large-area formwork Top 50, ensure rapid and safe construction progress, while minimising manual handling, thereby reducing risks for on-site crews, and accelerating construction timelines. Doka's involvement in the Missing Link project underscores its commitment to delivering innovative and reliable formwork solutions for complex infrastructure projects. By collaborating closely with Afcons Infrastructure Ltd, and leveraging its engineering expertise, Doka is contributing to the successful completion of this vital infrastructure project, which will significantly improve connectivity and safety on the Mumbai-Pune Expressway.

A Vision for the Future

The Missing Link project is a testament to India's ambition and engineering prowess. The cable-stayed bridge, with its soaring, diamond-shaped pylons, is a true marvel of design and construction. Viaduct 2 is a 650-meter-long cable-stayed bridge with four diamond-shaped pylons, each 182 meters tall, and a span of 305 meters. Constructing this challenging structure in such difficult terrain is a great challenge – a true masterpiece that impresses not only infrastructure enthusiasts.

As the project progresses towards its completion, it promises to transform travel between Mumbai and Pune, setting a new benchmark for India's infrastructure development.