China News Agency, Tianjin, April 7 (Yang Ziyang) China Railway Engineering Equipment Group (Tianjin) Co., Ltd. said on the 7th that the company's earth pressure balance shield machine successfully passed the customer's "cloud" acceptance, and the equipment will be used in Lisbon, the capital of Portugal. Drainage tunnel project.

This is the first time that a Chinese shield machine has entered Portugal.

  The Portugal Drainage Tunnel Project is a single-track tunnel, which is divided into two excavation sections with a total excavation length of 5.5 kilometers and a maximum rock strength of 135 MPa.

According to the characteristics of the project, the design team of China Railway Equipment has optimized the cutter head of the shield machine and equipped with an advanced control system. The whole machine can meet the requirements of both soft soil strata and strata with strong rock strength, providing a strong support for the high-quality and efficient construction of the project. Equipment support.

  In the process of equipment production, China Railway Equipment strictly controls the quality, actively organizes production, overcomes the impact of the epidemic, and ensures product quality and production schedule.

The equipment is expected to be disassembled and shipped in May.

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