Major Progress on Xiamen Metro Line 6: Shield Tunneling Section from Lindai West Station to Lindai Station Breaks Through 30 Days Ahead of Schedule

2021-04-15 832 0人评论

  On the morning of the 14th, as the cutterhead of the “Chenggong” shield machine slowly broke through the last layer of retaining piles, the first shield machine of Section 2 of the Xiamen Rail Transit Line 6 project (Lindai West to Huaqiao University section) successfully emerged. The right line of the shield tunneling section from Lindai West Station to Lindai Station, which broke through this time, is 1,022 meters long, and the construction period is 30 days ahead of the original plan.

  On December 15, 2020, the first shield machine of Section 2 of Xiamen Rail Transit Line 6 was successfully launched at Lindai West Station under Work Area 1, which is also an intermediate station connecting to the Zhangzhou (Jiaomei) extension of Line 6. The earth pressure balance shield machine used has an excavation diameter of 6.48 meters, a total length of about 85 meters, and a shield body weighing nearly 400 tons, with the cutterhead alone weighing 80 tons. After departing from Lindai West Station, the shield machine tunnels toward Huaqiao University Station to Lindai Station. During the tunneling process, the shield machine will face construction challenges such as bedrock protrusions, undercrossing gas pipelines and municipal elevated bridges. The entire tunneling process was carried out efficiently and orderly, ensuring safe and efficient tunneling of the shield machine.

  It is reported that Xiamen Rail Transit Line 6 is a demonstration project for the construction of the Southwest Fujian Coordinated Development Zone and an important rail transit project to promote the integration of Xiamen and Zhangzhou. The line has a total length of 18.8 kilometers and 13 stations, all of which are underground stations. Among them, the civil engineering works of 4 stations and 3 sections in the Maluan Bay area, which started construction at the end of December 2016, have been completed; the remaining sections started construction at the end of December 2019. At present, among the 9 stations, 8 stations have started main structure and earthwork construction, 1 station has started retaining structure construction, and 6 shield machines are tunneling in 4 sections.

评论 (0)

TOP