The right line of the Gantang Road station to Zhenxing South Road station on the first phase of Hefei Metro Line 6 was successfully completed on the afternoon of September 3, the first single line section of the line, according to Hefei Metro.

"Ganzhen" section right line excavation process, a total of through the South Feihe River, Red Flag Industrial Park, Langxi Road viaduct 3 II risk sources, section tunnel from the bottom of the South Feihe River minimum vertical clear distance of 12.26 meters, from the building minimum vertical clear distance of 13.3 meters, from Langxi Road viaduct pile minimum horizontal clear distance of 3.7 meters.

More than half of the strata through the section are fine sand strata, and the underground confined water is rich, the construction risk is high, difficult.

Up to now, three of the 17 stations in the first phase of Line 6 have been capped, and one of the 36 single-line sections has been completed.

According to Hefei Metro, on September 4, the right line of the section between Lianhua Road Station and Tiandu Road Station of the first phase of Line 7 was successfully closed, which is the 12th single line section of the line. Earlier, the left line of the Liantian section was connected on July 14, making it the fifth section of the first phase of Line 7 to be connected.

Up to now, the main structure of 8 of the 16 stations in the first phase of Line 7 has been capped, and 12 of the 31 single-line sections have been connected.