latest news!The long track throughout the line!

The construction personnel slowly laid the last pair of 500 -meter long rails on the left -line non -rail board on the left line of the line, marking the connection between the long -speed high -speed rail.

The Changye high -speed rail is an important part of the two large channels between Xiamen to Chongqing and Hohhot to Nanning from Xiamen to Chongqing and Hohhot to Nanning from China. The total length of 157.502 kilometers, there are 5 stations such as Changde, Hanshou South, Yiyang South, Ningxiang West, and Changsha West, with a design speed of 350 kilometers per hour. China Railway 11th Bureau undertakes 403 -hole box beams, 242 -hole T beams, and tasks on the entire line. In order to ensure the orderly advancement of the Changye high -speed high -speed rail, the project team is not available. It actively establishes a work contact mechanism with 21 units including the owners, design, supervision and the sections of Guangtan Group. The elite soldiers are strong, and the partitions are equipped with resources. At the same time, the project carefully deduced the construction organization, especially for the details of the long -track entry and laying the same construction at the same time.

"During the rail paving construction process, we adopt the domestic advanced WZ500 rail paving unit operation. Its mechanized degree of mechanization and good system stability. It can be seamlessly laid in one interval. The progress can reach 9 kilometers. "Zhang Jijun, the project manager of the 3rd branch of the Changyi Changyi Railway of China Railway 11, introduced that the temperature of the rails is too high in summer, which affects the actual situation of the construction of rail welding and stress dispersing. The line temperature of the rails is monitored in real time. Once the temperature of the rails is found is too high, and the timely physical sprinkler cools down in time, prepare for subsequent stress dispersion and locking construction. In the welding rail construction, the builders used the national advanced inductive fire equipment to carry out seamless rail welding. It uses electromagnetic induction technology to heat the welding joint, overcoming the influence of unprecedented factors such as fire holes, gas quality, and gas flow of flame heating. The heating quality is significantly improved, which effectively improves the quality of the rail welding. The seamless lines formed after the welding of the rail welding will maximize the smoothness of the driving surface, so that the train will ensure that passengers are smooth and comfortable during high -speed driving.

According to Zhang Jijun, the biggest difficulty in the construction of the Changyi Changchao high -speed rail paving is the opening of the Changde to Yiyang section and the Yiyang to Changsha section. As the only rail construction unit across the board, it is necessary to ensure the safe, smooth and controllable during the joint testing during the joint test, and also It is necessary to organize the preparations for the construction of the Changyi section. "We have held multiple pressures such as the pressure, safety risks, and personnel and equipment organizations, existing wired construction conditions, material storage and transportation, and mutual cooperation of each unit, and successfully complete the goal of rail paving nodes."

The Changye high -speed rail is in the aggregate belt of Changsha, Yiyang, and Changde. It can effectively promote the process of Changzhulan integrated. It is the key to form the Hunan high -speed rail ring line. Essence After the completion, 14 cities and states in Hunan will achieve all the targets of high -speed railway, and the transportation structure in northwestern Hunan will be further optimized. The Changye high -speed railway will jointly connect with railways such as Chongqing, Guizhou, Guizhou Zhang Chang, and Changhe, and will become a passenger channel connected to Central, East China, and South China in Chengdu -Chongqing. Social development is of great significance.

Source: Palm on Changsha Editor: Song Yongqi

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