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Tunnel construction

Information about products used in tunnel construction

Shield Construction Field

Technica provides "Liquid transport development materials," "solidification processing materials," and "water treatment materials (coagulants)" utilized when excavating areas below GL in shield construction.

Jacking Work Field

Technica provides chemical-related services for general excavation work and is mainly used in three propulsion methods: "press-fit press-fitting method," "press-fit press-fitting method," and "thick-wall press-fitting method."