VACUUM CONSOLIDATION DRAIN METHOD AND DRAIN MATERIAL

摘要

PROBLEM TO BE SOLVED: To solve the problem in which securing of a lower seal layer is uncertain in the installation situation of the conventional drain material for vacuum consolidation.

SOLUTION: A drain material for vacuum consolidation 1 is provided with: a drain material 2 connected to a drainage hose 4 at its upper end; and interval holding means 5a for maintaining a length corresponding to the layer thickness of a lower seal layer 10, below the drain material 2 through an airtight cap 3.

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