What is Pipe Roofing Method?

Pipe Roofing Method is a method where interlocking steel pipes are installed to form a support system before an underground construction (e.g. a tunnel) is excavated. This method stabilizes the ground to minimize settlement and ground movement. This method has been widely applied for tunnel excavation with shallow earth cover. It is also used as a countermeasure against slope collapse, uneven earth pressure, and ground collapse, etc.

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We use Unclemoles, our slurry-type tunnel boring machines, to form pipe roofs. Unclemoles make it possible to form longer pipe roofs under different conditions (e.g. deeper earth cover).

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Unclemole Pipe Roofing Method

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TBMs Applicable for Pipe Roofing Method

・Unclemole

・Unclemole Super

・Unclemole Shuttlemole

Projects from the Past

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