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Chinese tunnel boring machine to make Portugal debut

2022-04-08 Editor : Zhang Dongfang ECNS App Download

(ECNS) -- The Chinese tunnel boring machine (TBM) passed an acceptance test of Portugal and will be exported to the country in May, said the Tianjin branch of China Railway Engineering Equipment Group on Thursday.

This is the first time that Portugal has purchased China-made TBM and the equipment will be applied to the drainage tunnel project in the country’s capital Lisbon.

This single-track tunnel project in Lisbon is divided into two excavation sections with a total excavation length of 5.5 kilometers and a maximum rock strength of 135 MPa.

The equipment has been optimized and installed with advanced control system so that it can meet the demands of working in both soft soil and rock strata.


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