China's Tunnel Boring Machines: From "Choking" to Global Dominance, the Strategic Choices Behind the Price War
China's Tunnel Boring Machines: From "Choking" to Global Dominance, the Strategic Choices Behind the Price War"Choking" was a shadow that lingered over China's manufacturing industry for over a decade. Huawei's ordeal and the humiliating experiences of domestic tunnel boring machines (TBMs) served as stark reminders...
The 13 kilometer tunnel has been repaired for 14 years! How many Chinese engineers have turned their green hair into white hair as tunnels turn into water curtains
You may have heard of it,China has a tunnel with a total length of only 13.39 kilometers, but it took 14 years to complete,What's going on here?This tunnel is the Shanyang Tunnel of the Dali Ruili Railway,It is known as the most difficult railway tunnel for surrounding rock excavation in China, and sometimes even becomes a "water curtain tunnel",Causing headaches for engineers...
Excavation, Moving Forward All the Way - The Beginning and End of China's Shield Tunneling Machine Moving towards the World
Produced by Deep Pupil StudioInterviewer: Our reporter Jiao YangPlanner: Liu Li and Li KunOver the past 20 years, the independently innovative Chinese shield tunneling machine has achieved a perfect comeback from stumbling to advancing all the way, and then entering the world's advanced ranks. There are more and more varieties of shield tunneling machines in China, with more powerful functions, and they are becoming a best-selling "new domestic product" overseas...
Guangdong Transportation: Can Shenzhen's first single hole and double layer Chunfeng Tunnel be completed and opened to traffic by 2024?
Do you all think that many projects constructed in Shenzhen are very fast? Indeed, Shenzhen has abundant funds and there is nothing difficult to overcome!However, the construction of the Spring Wind Tunnel, which started in 2016 and has been under construction for 7 years with a planned total investment of over 5 billion yuan and a length of approximately 5.08 kilometers, has not yet been completed and opened to traffic by 2023? Can it be completed and opened to traffic in 2024?Today, let's share this legendary tunnel with everyone!The Chunfeng Tunnel adopts a single hole and double layer structure formThe road above the Chunfeng Tunnel is a necessary route from the core urban area of Luohu in Shenzhen to the eastern region of Shenzhen...
The main bearing of the world's largest shield tunneling machine independently developed by China is offline
Source: People's Daily Weibo Replay suspend 00:07 / 00:49 direct seeding 00:00 Enter full screen 0 Click and hold to drag videos The main bearing of the world's largest shield tunneling machine, developed independently by China, is offline. The bearing is a "big iron ring" with a diameter of 8...
Design of Tunnel in the Public Rail Joint Construction Section of Jinan Yellow River Highway Bridge Reconstruction and Expansion Project
Wu Tao, Luan Shaohua, Guo Yongfei, Zang ShaoningShandong Provincial Transportation Planning and Design Institute Group Co., Ltd...
The "Silver Dragon" sets sail again, and the Shanghai Yindu Road Cross River Tunnel begins the excavation of the southern tunnel
Recently, with the launch of the "Yinlong" shield tunnel, the construction of the Yindu Road Cross River Tunnel began to excavate the southern tunnel. After the launch of the "Silver Dragon", a 1...
The TBM tunnel on the right line of Chongqing Metro Line 6 East Extension Section's heavy and long section has been successfully completed
According to Chongqing Communications Development Investment Group, on July 16, as the TBM cutterhead broke through the ground, the right TBM tunnel of the Chongqing East railway station Changsheng Laojie station section of the east extension of Chongqing Metro Line 6 (hereinafter referred to as the heavy and long section) was successfully completed.Source: Hualong...
Cradle of the New Generation Aircraft! JF-22 Ultra High Speed Wind Tunnel has passed acceptance and can reproduce flight conditions at 30 times sound speed
In the development process of various types of aircraft, a large number of simulation flight experiments are required, but it is impossible to actually frequently test fly the aircraft in the sky. Therefore, wind tunnels have emerged, which is equivalent to artificially building a "flying sky" on the ground and is an essential large-scale aerodynamic experimental device for developing aircraft...
Just chisel through a hundred kilometer tunnel for Qinling! The Shaanxi version of the "South to North Water Diversion" connects the Han River to the Wei River!
#Everything we see and get is very scientific#Another unprecedented project is about to be completed in full! Not inferior to the South to North Water Diversion,Our country chisels through the Qinling Mountains to connect the Han River with the Wei River!If you have a little knowledge of geography, you will know,The Qinling Huaihe River line is the geographical boundary that distinguishes the southern and northern regions of China, and the strategic significance of the Qinling Mountains in China is evident.Jia Pingwa, a famous writer, wrote in his works: "There is a dragon vein stretching, supporting the Yellow River and the Yangtze River, leading the north and south...
A water gushing occurred in a high-speed tunnel in Guizhou, and traffic police say they are evaluating the cause. The tunnel was once a research case due to its complex geology
A water gushing occurred in a high-speed tunnel in Guizhou, and traffic police say they are evaluating the cause. The tunnel was once a research case due to its complex geologyOn July 9th, in Renhuai, Guizhou, the walls of the Tanchang Tunnel on the Zunchi Expressway leaked water, causing multiple streams of water to spray out, attracting the attention of many netizens...
Start shield tunneling for the longest underwater road tunnel
On June 30th, workers monitored and maintained the operation of the shield tunneling machine in the service tunnel.The reporter learned from China Railway Construction Corporation Co...