At present, all construction sections of Chongqing rail transit line 24 phase I project are under construction, and the construction of structural enclosure and earthwork excavation is expected to enter the main structure construction stage in June. The project is the fourth round of construction demonstration line project of Chongqing rail transit, starting from Banan District and ending in Nan’an District. The total length of the line is 18.9km and 11 underground stations are set, including...