Recently, the "Splendid" shield machine with a cute panda coated on the cutter head of the Chengdu-Zigong High-speed Railway Jinxiu Tunnel started successfully. This high-speed rail carrying the expectations of the Chengdu people has attracted the attention of all sectors of society. , Has become an Internet celebrity site.
It turned out that this "the most adorable" big country heavy equipment "Jinxiu shield machine" was jointly built by China Railway 14th Bureau and China Railway Construction Heavy Industry for the construction of the Chengzi High-speed Railway Jinxiu Tunnel. The construction site is located in Chengdu.
The "Splendid" shield machine is also round and round, and the whole body is made of steel alloy, and the bamboo that the panda eats is very similar to its construction principle. The sections of the pipes excavated in the front are joined together like bamboo joints to form A natural tunnel.
"Splendid" is expected to excavate an average of 9 meters per day, adding 23 advanced grouting holes and 28 radial injection ports, adopting high pressure-bearing polyurethane sealing technology, effectively controlling ground subsidence, and withstanding the extremely high tunnel buried depth Water and soil pressure ensures safe and efficient tunnel excavation.
The Chengdu-Zigong High-speed Railway is a high-speed railway connecting Chengdu and Zigong in Sichuan Province. The builders will live up to everyone's expectations and concerns, work side by side with Panda Jinxiu, and contribute to the construction of Sichuan's first high-speed railway with a speed of 350 kilometers per hour! Editor/Sang Xiaomei
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