The Delhi-Mumbai Expressway is one of the most prestigious expressway projects in India, currently. It will start near Gurugram at Sohna and terminate at Mumbai (JNPT). With a total length of 1353 km, the Expressway is divided into 49 packages (31 packages in Delhi-Vadodara section, 13 packages in Vadodara-Mumbai section, and 5 packages in Mumbai-JNPT section). The eight-lane expressway is being built under the engineering, procurement and construction (EPC) route and will reduce the distance between the two cities by over 150 km and cut travel time to 13 hours from the current 24 hours, and is likely to be ready by 2023-24.

The project was necessitated because of heavy congestion on the Delhi-Mumbai National Corridor along the NH-48 of the Golden Quadrilateral. Passing through Haryana, Rajasthan, Madhya Pradesh, Gujarat and Maharashtra, the Expressway will also provide easier connectivity to the cities of Jaipur, Kota, Chittorgarh, Indore, Ujjain, Bhopal, Ahmedabad and Vadodara.

ECHELON Paving at Delhi-Mumbai Expressway with VÖGELE Super 1800-3 Pavers Impressively Wide Incredibly Accurate

Background
It is required to pave the width of road in multiple lanes because paving the full width of the pavement in a project like the Delhi – Mumbai Expressway is usually impossible. In this project, flexible pavement section has base layers such as WMM width of 19.55 meter and bituminous layers varies in width from 19.25 to 18.75 meter.

Most often, differences in the temperature and mat plasticity cause an improper bonding of the fresh Hot Mix Asphalt with the older Asphalt lane and this subse-quently causes the longitudinal joint to possess a significantly lower density than the rest of the pavement. Over time, a longitudinal crack usually occurs between the asphalt mats, permitting the intrusion of water, increasing roughness, and po-tentially limiting life of the pavement.

While deliberating and adopting the paving methodology in such a project, one of the most important factors comes to mind is the longitudinal joint type and its position. The objective is to have a strongly interlocked joint that provides the same sealing effect as that of other parts in a carriageway to avoid water intrusion into the layer and thus avoid oxidation and raveling of pavement. While there are several conventional methods of joint preparation, making and repair, but, somehow, the hot and hot joint proves to be the best among all because of its paving methodology and way to address the base from where generally the problem and defect arises.

ECHELON Paving at Delhi-Mumbai Expressway with VÖGELE Super 1800-3 Pavers Impressively Wide Incredibly Accurate

Hot and Hot Paving
(Echelon Paving)

Paving with two or more pavers in Echelon is ideal for an integral bond between asphalt strips. In this paving method, the distance between the pavers is to be kept as short as possible to have minimum temperature difference between the paved lanes.

The first roller following each paver should be of the same size. The rollers start rolling towards the joint from the outer pavement edge inward. Compaction ends approx. 15 cm beside the longitudinal seam on either side. The joint is then the last strip to be compacted by the rollers. This way, a tight bond between the strips is obtained.

Benefits of Echelon Paving
  • Increased production per shift
  • Cross-slopes easier to maintain
  • Cost saving on account of repairs of failure of faulty joints
  • Produces pavements and longitudinal joints of uniform density. In other words, longitudinal hot joints built by the Echelon paving method produce jointless pavements
Technology from world leader VÖGELE
We, at VÖGELE, feel proud to support the nation’s vision of building world-class roads in the country by serving our customers with Super 1400 Asphalt Pavers (Make in India) and state-of-the-art German technology Asphalt Pavers like Super 1800-3 (10 meter) and Super 2100-3 (13 meter).

ECHELON Paving at Delhi-Mumbai Expressway with VÖGELE Super 1800-3 Pavers Impressively Wide Incredibly Accurate

VÖGELE’s Seamless Product Range
VÖGELE’s seamless product range is considered unique in the industry. Whether a service road or a highway, an airfield or a racetrack, a new construction or a reha-bilitation job, thick or thin, hot or cold – customers will find the right machine in our product range for every paving task. Our products range from pavers with state-of-the-art screeds to material feeders which are particularly suitable for large-scale job sites and digital solutions for Road Construction 4.0.

The extensive product range of VÖGELE is divided into two lines: the Classic Line and the Premium Line. The Classic Line is for pavers equipped with the particularly easy-to-use ErgoBasic operating concept. The Premium Line comprises all pavers that feature cutting-edge technology and advanced mechanical engineering. Pre-mium Line products are all equipped with the ErgoPlus 3 operating concept. The varied range of asphalt pavers has paving widths ranging from 3.5 meter to 18 meter in single pass.

A seamless product range for every requirement, anywhere in the world
We secure our customers’ success with innovative machinery and solutions. Being the No. 1 in innovative technologies is consequently, one of the guiding principles of our business activities. Advancements in engineering are all well and good – but for us, the focus is on turning these advancements into solutions that benefit our customers.

The Delhi – Mumbai Expressway is one of the biggest examples of our latest tech-nology and high-quality paving by VÖGELE Asphalt pavers throughout the length. In the past, we had continuously given high-quality results from Wirtgen Group machines in the Indian road construction sector such as the Yamuna Expressway, Agra-Lucknow Expressway, Buddha International circuit, Purvanchal Expressway, Jaipur Ring Road, and in various Airports, etc.
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