On April 20, the "100-day attack" of the Guiyang-Pingtang Expressway (hereinafter referred to as Guiping Expressway) project invested and constructed by Guizhou Communications Construction Group was officially launched, during which an investment of 6 billion yuan will be completed, and the project construction will be accelerated. Up to now, Guiping Expressway has completed a total investment of 18.229 billion yuan, with a completion rate of 46.49%. The construction of roadbed and bridge has exceeded 80%, and the construction of tunnels has also exceeded half.
Guiping 1 Biaogui Urn Expressway Reconstruction and Expansion Section under construction Photo by Liao Xun
It is reported that the Guiyang-Beihai Expressway Guiyang to Pingtang (Guiguijie) project starts from Wudang Yangchang Town, Guiyang City, and ends near Yunyangguan in Guiyangjie, with a total length of about 174 kilometers and a design speed of 100 km/h, with 5 hub interchanges, 13 landing interchanges, and 66 kilometers of interconnecting lines. There are 119 bridges, including 13 extra-large bridges and 96 large bridges. There are 36 tunnels, including 1 extra-long tunnel, with a length of about 4 kilometers. Bridges and tunnels account for 50.7% of the total length of the route.
Guiping 9 Standard Pendulum Longhe Bridge under construction Photo by Liao Xun
Guiping Expressway is the core section of the Guiyang-Beihai Expressway in the National Highway Network Plan, with a total length of about 174 kilometers, designed as a two-way six-lane highway with a speed of 100 kilometers per hour. The route starts from Yangchang, Wudang District, Guiyang City, passes through Guiding, Longli, Pingtang, and ends at Yunyang Pass, the boundary of Guizhou and Guizhou Province, and connects to the Tian'e-Beihai Expressway under construction.
The red line in the figure shows the approximate direction of the expressway
The project is a key task in the implementation of the "strong provincial capital" action in Guizhou Province, and plays an important role in accelerating the construction of an urban economic circle with Guiyang Gui'an as the core and Xiuwen-Wudang-Guiding-Longli-Huishui-Changshun-Pingba-Qingzhen-Xiuwen Expressway ring as the support, and driving the accelerated development of the urban agglomeration in central Guizhou. It is of great significance to promote the construction of Guizhou as a pilot province of transportation power, improve the province's expressway network, support the strategy of "strengthening the provincial capital", and strongly support the construction of "four modernizations" along the route.
According to the relevant person in charge of the Guiping project, the geological conditions of the whole line are complex, which basically covers the bad geology of the construction of high-speed projects in mountainous areas. It has successively passed through many environmentally sensitive points such as Pingtang Geopark, Pingtang National Wetland Park, Guiding Luobei River Scenic Area, and Guiding Penglong River National Wetland Park. It involves new construction and reconstruction and expansion projects, and is nearly 4 kilometers away from the reconstruction and expansion section of Guiweng Expressway. There are 8 railway-related projects and 7 high-height projects on the whole line of the project. There are a total of 5 control projects, including three bridges and two tunnels, Nanming River Bridge, Machang River Bridge, Caodu River Bridge, Dongwu Tunnel, and Liutong Tunnel, and the construction of the project is accelerated according to the established construction period.
Photo by Liao Xun during the hoisting construction of the Guiping 18 Standard Lami River Bridge
It is worth mentioning that the construction of the whole project is the first time in Guizhou Province to use the intelligent production line of the New Jersey guardrail intelligent prefabrication yard. The reporter walked into the 19 standard intelligent prefabrication yard responsible for the production of the whole line of New Jersey guardrails, the whole plant is composed of intelligent production lines, steel processing areas, intelligent control rooms and outdoor finished product storage areas, which reduces the damage caused by traditional manual demoulding and handling to components, eliminates safety accidents, and greatly increases production capacity, with an output of 90 pieces 24 hours a day, which can serve the entire Guiping high-speed project.
"The use of guardrails in New Jersey to separate highway lanes, when a car collides with a guardrail, under the action of teleportation load, the guardrail basically does not move or deform. The energy in the collision process mainly relies on the contact between the car and the guardrail surface to climb and steer along the guardrail surface to absorb, and at the same time, the collision car is also restored to the normal driving direction, reducing the damage to the vehicle and the injury of the driver and occupants. A person in charge of the scene introduced.
(Source: Guiyang Evening News, Guizhou Pictorial)