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Ankleshwar–Manubar Section (Delhi–Mumbai Expressway)
[edit]The Ankleshwar–Manubar Section is a key segment of the Delhi–Mumbai Expressway, one of India's most ambitious infrastructure projects. This section is located in the state of Gujarat, connecting Ankleshwar in Bharuch district to Manubar in Surat district, and serves as an important link between the industrial regions of South Gujarat and the national capital region.
Overview
[edit]Part of the larger Delhi–Mumbai Expressway (DME)—a 1,386-kilometre-long, access-controlled expressway connecting Delhi with Mumbai—the Ankleshwar–Manubar stretch is a high-speed corridor designed to facilitate seamless travel and cargo movement. It passes through major economic zones and is intended to reduce travel time between Delhi and Mumbai.
Narmada River Bridge
[edit]A major highlight of this section is the 8-lane extra-dosed cable-stayed bridge constructed over the Narmada River, (it is different bridge and not the same as cable stayed bridge constructed by L&T). The 2.2 km bridge uses advanced engineering techniques combining elements of both girder and cable-stayed bridges to achieve long spans, improved durability, and aesthetic value.The bridge’s construction posed several engineering challenges due to the river’s width and seasonal flooding, which were effectively managed using advanced design and execution methods.
Construction and Development
[edit]The construction of the Ankleshwar–Manubar section, including the Narmada River bridge, was undertaken by Ashoka Buildcon Limited. The company was awarded the contract for Package 4 of the Vadodara–Kim Expressway, which encompasses this section . The project was executed under the Hybrid Annuity Model (HAM) as part of the National Highways Development Project (NHDP) Phase VI .
Engineering and Execution
[edit]The bridge employs an extradosed design, combining elements of both girder and cable-stayed bridges. This design choice allows for longer spans and reduced pylons, enhancing both structural efficiency and aesthetics. The bridge was constructed using the balanced cantilever method, incorporating innovative techniques such as launching large steel girder assemblies.
References
[edit]https://themetrorailguy.com/nhai-delhi-mumbai-expressway-information-route-map-status/ https://www.apnnews.com/nitin-gadkari-visits-and-reviews-progress-of-indias-longest-extradosed-cablestayed-bridge-at-bharuch/ https://www.ashokabuildcon.com/ppp-projects.php
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