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News: EPB3700 Earth Pressure Balance Shield Machine Deployed for Yinjiafu Power Tunnel Project in Shunyi, Beijing

Release time:

2026-07-24

News: EPB3700 Earth Pressure Balance Shield Machine Deployed for Yinjiafu Power Tunnel Project in Shunyi, Beijing

EPB3700 earth pressure balance shield machine is used for the Yinjiafu power tunnel project in Shunyi, Beijing. This project adopts the EPB3700 earth pressure balance shield machine provided by our company for construction. The total length of the section is 1540 m, the burial depth of the tunnel top is about 12–13 m, and the minimum turning radius R = 250 m. The project crosses mountains and includes upper soft and lower hard strata, pure hard rock strata, and pure clay soil strata. Currently under construction, the daily footage is 9–11 rings in the 90–130 MPa mountain range, and 31 in the clay formation. 

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Yangzhou Dilong Machinery Co., Ltd

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More than ten years of experience in the design and manufacturing of pipe jacking machines

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