China Railway No. 2 Research Institute proposed three comparable research plans for the Changsha-Huaihua section, including the Loudi plan, the Loudi, Shaoyang plan and the Shaoyang plan. Among them, the Loudi plan is that after the line leads from Changsha South Station, it will successively set up Shaoshan South Station and Loudi South Station at the southern edge of Shaoshan National Scenic Area and the south side of Loudi City. Then it will bypass the coal mine goaf and pass through Lengshuijiang City South Station. On the other side, it crosses Xuefeng Mountain on the south side of Meishan Longgong National Scenic Area in Ziquejie, Xinhua, and then connects to Huaihua Expressway Station. The total length of the line is 310 kilometers.
The China Railway Second Institute recommended the Loudi plan. "The straight line plan through Loudi and Xinhua will straighten the line, save investment, and through the speed-up reconstruction of the Loudi-Shao line, and the construction of a connecting line with Loudi South Station, the intercity express train from Shaoyang to Changsha can be run, and the line Together with the Huai-Shaoheng and Lou-Shao speed-improvement railways, it forms the Loudi-Huaihua-Shaoyang triangle area, which has a wide coverage, attracts large passenger flow, and has obvious advantages. It is recommended."
Shaoyang immediately broke out in signature and petition activities, and was Nicknamed the folk "Road Protection Movement," the disputes in online forums were particularly fierce.
During the debate, residents of Lengshuijiang and Xinhua mainly believed that the railway would need to be extended by 14 kilometers through Shaoyang, which would not be conducive to saving time. In addition, the railway should also take care of national-level poverty-stricken counties such as Xinhua. Shaoyang, which has already planned the Huai-Shao-Heng Railway, does not need another railway. Shaoyang residents mainly believe that although the distance through Shaoyang is longer, it avoids the Xuefeng Mountains and reduces the difficulty of construction. Moreover, the existing railway trunk line Shanghai-Kunming Railway already passes through Lengshuijiang and Xinhua. In comparison, the Huai-Shao-Heng Railway passing through Shaoyang is only a section of the Chongqing-Xiamen Railway. As a prefecture-level city, Shaoyang cannot miss the main railway line again.
The finalized plan is similar to previous high-speed railways in mainland China. It basically conforms to the characteristics of giving priority to the provincial capital and keeping the rest of the area straight. It will detour northward near the provincial capital Changsha and take a straight line between Loudi and Huaihua. . As a compromise, Shaoyang North Station was set up in Pingshang Town, Xinshao County, Shaoyang City. Expressways were opened between Pingshang and Lengshuijiang, Lianyuan, Shaoyang and other places, and Xinhua South Station was set up in Yangxi Town, Xinhua County. However, because the actual location of Pingshang is far away from Shaoyang City and closer to Lengshuijiang and Lianyuan, Shaoyang people have not yet recognized it.
The Changzhou-Kunming section of the Shanghai-Kunming High-speed Railway detours northward to Changsha at the connection with the Hangzhou-Changsha Passenger Dedicated Line, which is also part of the Shanghai-Kunming Passenger Dedicated Line, while Zhuzhou only received a station in the county-level city of Liling, which also caused some controversy . In May 2012, some media exposed that "the Shanghai-Kunming High-speed Railway's use of Germany's Hafen channel was found to be unqualified." A technician involved in the construction of the Shanghai-Kunming High-speed Railway said that the original HALFEN channel material was stainless steel; however, the HALFEN channel sold in China at this time was not an original German product. In order to save costs in China, the material of the HALFEN channel was Carbon steel is used. The price difference between stainless steel and carbon steel is about 1 times, and the quality is even more different. This matter has attracted great attention from the railway department and has started an investigation.
The salesperson admitted that the channels are processed domestically
The so-called Hafen channels originating from Germany are actually galvanized in China. Germany's Hafen has previously emphasized that all its products are of German origin.
There are HALFEN domestic processing plants in Yizhuang and Sanhe, Beijing. In Beijing Jinyu Tonghui Co., Ltd. located in Yizhuang, Beijing, the channel with the HTA52/34-12 label is being galvanized. processing. The reporter called Beijing Jinyu Tonghui Co., Ltd., and a salesperson admitted on the phone that the German Hafen channel was processed by Jinyu Tonghui.
Industry insiders said that the so-called Hafen channels imported from Germany are almost all produced domestically and do not follow strict galvanizing procedures.
The Chinese market allows HALFEN to see business opportunities
Germany HALFEN enjoys a high reputation in the world of architecture. In 2005, the Hafen buried channel was introduced for use in the Wuguang section of the Beijing-Guangzhou high-speed railway for the first time by the China Railway Fourth Exploration and Design Institute.
In the same year, HALFEN's Asian agent, Hong Kong Gaowei Company, authorized Beijing Actres Bida Building Materials Co., Ltd. in mainland China to be the sales agent. Until 2009, Beijing Acrestar Building Materials Co., Ltd. evolved into Langlian (Beijing) Construction Technology Co., Ltd. and began selling Langlian brand embedded channels.
In 2007, Hong Kong Gaowei authorized Shenzhen Fangrui Applied Materials Co., Ltd. to sell the Hunan and Guizhou sections of the China High-Speed ??Railway Shanghai-Kunming Line. After 2008, China's high-speed rail entered a period of rapid development and plans to achieve the goal of completing 18,000 kilometers by 2020. The vast Chinese market allows Hafen to see huge business opportunities. HALFEN acquired Hong Kong Gaowei Company and established HALFEN Beijing Building Accessories Co., Ltd. in China. The legal representative is Shi Yongxin.
Shi Yongxin, the legal representative of Hafen Beijing Building Accessories Co., Ltd., has also registered different types of trading agencies in China, and Beijing Gaodewei Trading Co., Ltd. is one of them.
Failed to meet domestic design standards
On the Hunan section of the Shanghai-Kunming Line, according to a technician at the construction site, the phenomenon of zinc layer powdering occurred frequently in the Hafen Channel. If the powdering rate exceeds 50, the anti-corrosion function of the zinc layer will fail.
The fatigue test report from the Institute of Metals and Chemistry of the China Academy of Railway Sciences shows that under the experimental method of the passage frequency 3HZ and the load size of 22±6.6KN, the channel marked HALFEN HTA52/34 has The channel cracked at 321,826 times, which completely failed to meet the 500,000 times standard requirement of the Design Institute of the Ministry of Railways in the design standards. The test report stated that the fatigue performance of this channel was completely unqualified.
The relevant fire resistance and high temperature test report of the Tianjin National Fixed Fire Resistance System and Refractory Component Quality Supervision and Inspection Center of the Ministry of Public Security shows that a 90-minute fire resistance test was carried out on HTA52/34 and T-type bolts marked with Hafen Channel. According to The RABT heating curve of the tunnel fire resistance test was used to increase the temperature. The sample passed the "T" shaped bolt bearing capacity of 4KN. When the fire resistance test was carried out for 59 minutes, the channel bearing capacity was lost, thus failing to meet the 90 minute requirement and the sample was deemed to be an unqualified product. For a project like the high-speed rail that is related to people's livelihood and the image of the country, products that do not meet relevant domestic standards are still used. The result is obviously quite dangerous.