China Railway Shanhe Shield Glory | Dianzhong Water Diversion Project Achieves Significant Breakthroughs
Release Time:
2020-12-23 14:28
Source:
On December 23, the largest water diversion project under construction in China - Longquan Inverted Siphon Shield Tunnelling of Dianzhong Water Diversion Project exceeded the 1,000-meter mark, marking a major breakthrough in the construction and winning a milestone victory. People's Daily, CCTV, Economic Daily, Hunan Daily and many other central and local media focused on the construction progress.
The shield machine “Longxiang” developed by China Railway Shanhe successfully broke the 1,000-meter digging mark.On June 23rd, the launching ceremony of “Longxiang” composite soil pressure balance shield machine used for the water diversion project in central Yunnan was held in the workshop of China Railway Shanhe in Shanhe Industrial City.On August 1st, “Longxiang” soil pressure balance shield machine was successfully launched. On August 1, the “Longxiang” soil pressure balance shield machine was successfully launched. After more than 4 months, it successfully exceeded the 1,000-meter mark.
The shield machine “Longxiang” developed by China Railway Shanhe successfully broke the 1,000-meter digging mark.On June 23rd, the launching ceremony of “Longxiang” composite soil pressure balance shield machine used for the water diversion project in central Yunnan was held in the workshop of China Railway Shanhe in Shanhe Industrial City.On August 1st, “Longxiang” soil pressure balance shield machine was successfully launched. On August 1, the “Longxiang” soil pressure balance shield machine was successfully launched. After more than 4 months, it successfully exceeded the 1,000-meter mark.
China Railway Shanhe and China Railway Fifth Bureau tailor-made for the complex geological conditions of the “super equipment” - “Longxiang” shield machine, with a total length of about 90 meters, a total weight of 500 tons, the maximum thrust of 4086 tons, can adapt to the ± 50‰ slope of the tunnel project. The total length is about 90 meters, the total weight is 500 tons, the maximum thrust is 4086 tons, the excavation diameter is 6.47 meters, and it can adapt to the tunnel project with a slope of ±50‰. Compared with other composite soil-pressure balance shield machine, “Longxiang No.” shield machine has increased a lot of targeted design, the use of active articulation, the front shield is equipped with stabilizers, the middle shield is equipped with retractable bracing boots, to further enhance the adaptability, stability and reliability of the shield machine, which can effectively deal with the problems such as large tunnel depth, prone to surging, high construction risk, etc., representing the current situation of the shield machine, which is the best solution to the problems of the tunnel. It can effectively cope with the problems of large tunnel depth, easy to surge, high construction risk, etc. It represents the most cutting-edge technology level of the current shield industry, and will comprehensively guarantee the safety and quality as well as the progress of the construction of Longquan inverted siphon.
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