On January 31, 2023, a reporter from Seedao.com learned from the Hainan Provincial Department of Transportation that the PPP project procurement of the PPP project for the expansion project of the Dasanya Section of the G98 Ring Expressway is being publicized, and the project is about to start construction. The estimated total amount of the project approval is about 318.64 100 million yuan, including 22.046 billion yuan for construction and installation projects.

Project Overview

This project adopts the construction of new double-track expansion plan, and the overall direction is east-west. The route starts from Nanpingju, Lingshui County, and the starting point is K1+800. Longguang Town, Shui County, Sandao Town, Nanlin Township, Baoting County, Gaofeng Township, Yucai Town, and Yazhou District North, Sanya City, Jiusuo Town, Ledong County, and ends at the north of Liguo Town, Ledong County, connected to G9811 The Haikou-Sanya Expressway has a terminal number of C3K123+866.626 and a total length of about 122.415 kilometers. Simultaneous construction of six connecting lines including Lingshui, Yingzhou, Jiyang, Yalong Bay North, Railway Station and Nanshan has a total length of about 46.323 kilometers.

Project construction content

The total length of the main line of this project is 122.415 kilometers, adopting the two-way six-lane expressway standard, the roadbed width is 34.5 meters, and the design speed is 120 kilometers per hour. The main line has 40,429.46 meters/91 bridges, including 18,272 meters/13 super-large bridges, 22,157.46 meters/78 large and medium bridges, 19,522.5 meters/10 tunnels, 15 interchanges, 3 service areas, maintenance work areas and overloading There are 3 testing stations, and the main line occupies 14,769.35 mu of land. Keywords: engineering construction, engineering construction information, engineering news

technical standard

Six newly-built connecting lines with a length of 46.323 kilometers adopt the two-way four-lane first-class highway standard, with a roadbed width of 25.5 meters and a design speed of 60 kilometers per hour. There are 20 bridges with a length of 4,270 meters, 1 tunnel with a length of 4,363 meters, and 4 interchanges. The connection line occupies 4,386.6 acres of land. Editor / Zhao E