CRCHI EPB Shield Machine Exported to Chile Launched

The EPB shield machine manufactured by China Railway Construction Heavy Industry Corporation Limited (CRCHI) was officially launched in Chile on May 6th, 2024. The EPB shield machine named "Matukana" symbolizes brightness and hope. Its diameter is 9.8 meters; total length is 105 meters; total weight is 1400 tons; and the installed power is 5700 kW.

The EPB machine will be applied in the construction of Santiago Metro Line 7, which is 26 km long and has 19 stations. The total length of the construction is 7.9 km, including 6.7 km TBM tunnel construction. Once the project is completed, the travel time of the entire line will be shortened from 90 minutes to 43 minutes. It will provide fast and convenient transportation to more than 1.36 million commuters.