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News: TPT4800 Earth Pressure Balance Shield Machine Takes the Lead in Shanghai Zhuyuan Bailong Port Sewage Connecting Pipe Project

Release time:

2026-07-24

News: TPT4800 Earth Pressure Balance Shield Machine Takes the Lead in Shanghai Zhuyuan Bailong Port Sewage Connecting Pipe Project

In the Shanghai Zhuyuan Bailong Port sewage connecting pipe project, the TPT4800 earth pressure balance shield machine takes the lead. The initial segment, marked as 1.1 in the southern section, extends over a total length of 900 meters with a designated outer segment diameter of 4.6 meters. The primary geological strata it traverses consist of clay and silty clay. The project successfully deployed the "closed earth pressure to muddy water slag discharge system," a collaborative development effort between our company and the Shanghai Jinshan Municipal Government. This system demonstrated remarkable adaptability, resulting in a successful construction with a peak daily advance rate of 35 meters.

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

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