Page 40 - CV Aug-Sep 2023 Issue

BRIDGING THE HIMALAYAS

WITH AN ENGINEERING MARVEL

selected Doka as their Speaking on behalf of Doka India, senior
et against the dramatic scenery of formwork partner to manage and response form work instructor, Mr. A.N Singh
India's north-western region, to the demands and challenges for such a commented, “The success of the project so
Sworks are underway to deliver a prestigious project. To achieve the far has been achieved through a
vital section of the Jammu-Udhampur- construction of the pylon itself, Doka relied combination of technology and
Srinagar-Baramulla railway link, however, on its Automatic Climbing Formwork engineering excellence. In finding an
with heavy seasonal storms and rough SKE50, which provided excellent optimal way to deliver such a complicated
terrain, Doka India's team had their work protection for site teams, while structure in such an inhospitable
cut out for them in providing a timely safeguarding them from the adverse environment, we are proud to say we've
solution for India's first cable stay rail weather and thanks to the guided lifting delivered India's first cable-stayed railway
bridge. system, no deviation from the construction bridge.”
Located between the states of Jammu and schedule was required. Supporting the Standing at an incline of seven degrees
Kashmir in the foothills of the Himalayas, climbing system, the project used Large and at a height of 331 metres, works are
the Katra-Qazigund section of the Jammu- Area Formwork Top50 extensively, thanks currently taking place to complete the
Udhampur-Srinagar-Baramulla railway to its high degree of flexibility which meant bridge, which will reach a length 290
link has a history going back to a lot of it could be pre-assembled, while metres across the main span (473.25
1994.Having been initially approved for also remaining on the platforms during metres in total) and require 96 support
construction and with several years of work climbing, reducing the reliance on cranes, cables to hold it in securely in place. Once
invested into its numerous bridges and resulting in the project becoming crane- completed, the bridge will also come
tunnels, progress slowed as engineers independent after the first step. equipped with a monitoring system, which
faced increasing challenges from both Additional features that helped to move the will help to provide valuable data as to how
adverse geology and poor accessibility. pylon construction along included jump the geological and meteorological
Amongst the project's greatest challenges shuttering and a pump concreting system, conditions affect the overall structure At
came from finding an engineering solution which not only provided higher safety for Doka, we accompany our clients
to connect the Katra and Reasi section of site teams, but also reduced the overall throughout the project life cycle. From
the line, which is separated by a naturally construction time by nearly 30%. project management to services and
occurring ravine of approximately 330 products, Doka is your construction
Speaking on behalf of HCC, the project-in-
metres in depth. In addition, once partner for infrastructure, power, industrial,
charge, Mr. Ajay Kumar Pashine stated, “It
completed, the structure would need to institutional and residential.
was wonderful working with Doka team
withstand a variety of severe weather
during the installation of SKE 50 Auto
including torrential rain, snow, ice, and high
Climbing System and Pylon formwork Top
winds, capable of reaching speeds in
50 systems at AnjiKhad Cable stayed
excess of 100 kilometres per hour.
bridge project Jammu & Kashmir. We are
Named the Anjikhad Railway Bridge, Doka happy with service and technical support
India proposed an effective and efficient provided by the Doka team, for
formwork solution for the cable-stayed, implementation of system to ensure
single-pylon to work with the site's complex smooth operations. By the installation of
geology. This meant constructing the pylon the system the concrete time cycle was
in a vertical slope using micropyles of forty reduced and according to our planning's
metres in depth around the circumference we have achieved our progress.”
of a twenty-metre well foundation. HCC Mr. Ajay Kumar Pashine

CONSTRUCTION VISION 38 AUGUST - SEPTEMBER 2023