China's First Muddy Water and Soil Pressure Dual-Mode Shield Machine Originates from Guangzhou Metro

Recently, it was learned from the Guangzhou Metro Corporation that the first mud-soil-earth-pressure dual-mode shield machine in China originated from the Guangzhou Metro Line 9 between Huadu Automobile City and Guangzhou North Railway Station. The shield machine has achieved a number of major technological innovations and filled the gap. Domestic dual mode shield machine blank. Compared with machine imports, each unit saved nearly RMB 15 million.
As of April this year, the total number of civil works completed on the 9th line was 48%. Among the 10 stations, Feiyiling, Huadu Automobile City, Huaguoshan Park, Ma'anshan Park, Qingbu, Gaozeng and other 6 stations have their main structures capped, Guangzhou North, Huacheng Road, Huadu Square, and Liantang Village. The station carries out the main project construction.
In 10 intervals, the Qingbu-Gaosheng section has been double-crossed, from Feixiangling to Huadu Automobile City, Huacheng Road to Huaguoshan Park, Huaguoshan Park to Huadu Square, Huadu Square to Ma'anshan Park and Maanshan Park. The five sections of the village, including Liantang Village, were normally excavated, and the civil engineering construction was performed at the entrance and exit sections, and the remaining sections were prepared for preliminary processing such as cave treatment.