The Ya'an buried pressure accident tunnel is a post-disaster reconstruction project.
A tunnel in Ya'an City, Sichuan Province, showed that the roof lining partly fell off, hitting the van and killing one. The incident tunnel was once reported to have problems such as pavement damage and water seepage.
On the 10th, a staff member of the Yucheng District Emergency Management Bureau Office told Peng Mei News (www.thepaper.cn) that the cause of the accident is being investigated by public security and other departments, and new progress will be released on the official Weibo.
Relevant information from the surging news search found that the Qingbishan Tunnel System National Highway 108 Line Ya'an to Bosagang Reconstruction and Reconstruction Project, the tunnel monitoring and measurement tender announcement was released in 2010.
On June 7, 2010, the Ya'an City Development and Reform Commission's official website published a "Tender Announcement for the Monitoring and Measurement of Qingbishan Tunnel for the G2 Bid Section (Ya'an Around the City Section) of the Post-disaster Recovery and Reconstruction Project of the National Highway 108 Line from Ya'an to Bosagang Section 》, the announcement shows that the Qingbishan tunnel at the G2 section (Ya'an round-the-city section) of the national road 108 line from Ya'an to Pusagang reconstruction and reconstruction project has a total length of 583 meters, a net width of 12.0 meters, a net height of 5.0 meters, and the tunnel passes through IV Surrounding rock is 231 meters, Ⅴ surrounding rock is 352 meters.
The tender announcement indicated that the construction tender for the construction of the project's G2 section (Ya'an Round-the-city section) was started on February 9, 2010. The winning bidder was Heilongjiang Hualong Construction Co., Ltd., and the contract has been signed.
Surging News found out that the Qingbishan Tunnel had damaged roads in 2019. The main reason is that there are water seepage problems in some sections of the tunnel.
The Ya'an Municipal People's Government once reposted the Ya'an Daily article in January 2019, saying that the road surface of the Qingbishan Tunnel in the North Outer Ring Road of Ya'an City was seriously damaged, and relevant departments are working out a solution.
According to the article, there is a long section of pavement in the Qingbishan Tunnel, which is seriously damaged, and there is still water in some of the pavement depressions. When driving to this section, the driver should slow down and pass carefully.
In an interview with Ya'an Daily, Deng Sheng, chief of the urban construction section of the Urban and Rural Planning and Construction and Housing Security Bureau of Ya'an City, said in an interview with Ya'an Daily that the road section is often damaged and the situation is more complicated, not just a simple repair.
Deng Sheng said that since 2018, the Urban and Rural Planning and Construction and Housing Security Bureau of Ya'an City has repaired this section many times. The most recent repair is now around December 2018. In just one month, the road was damaged again. Now, the traffic volume of the North Outer Ring Road is double that of the original design. It can be said that the North Outer Ring Road does bear a lot of "pressure".
Regarding the cause of pavement damage, Deng Sheng said that the large traffic volume is one aspect, and more importantly, there is a problem of water seepage in some sections of the tunnel.
Surging News noted that in 2019, some delegates proposed relevant proposals for the transformation of the Qingbishan Tunnel in the North Second Ring Road. The proposal mentioned the comprehensive renovation of the Qingbishan Tunnel.
On December 4, 2019, the letter from Ya'an Municipal Housing and Urban-Rural Development Bureau to the No. 134 Recommendation of the Fourth Session of the Fourth People's Congress stated that the Qingbishan Tunnel was organized by the Municipal Transportation Bureau and handed over in May 2018. Municipal management. Currently, maintenance and repairs are carried out by municipal companies. In January 2019, the bureau arranged the municipal company to repair the Qingbishan Tunnel, re-paved the asphalt in the tunnel, and re-drained the drainage system. Second, the Qingbishan Tunnel was designed as a double tunnel. One side was temporarily constructed due to financial problems. In the next step, the bureau will start the construction of the other side of the tunnel in due course in accordance with the work arrangements of the municipal party committee and government.
At 10:25 on June 10, 2020, according to the official Weibo@雨城itudinal management report of the Yucheng District Emergency Management Bureau of Ya'an City, Sichuan Province, at 07:24 on June 10, 2020, the middle section of the Qingbishan Tunnel in Yucheng District appeared The lining of the roof of the cave was about 10 square meters and partly fell off, hitting a van, killing one driver.