WO 2018/230855 A1

Method for manufacturing engaging-type cement structure by utilizing three-dimensional printing and engaging-type cement structure

(22) 25.05.2018

(43) 20.12.2018

(57) A cement structure manufacturing method is disclosed. The cement structure manufacturing method comprises the steps of: (a) stacking an outer peripheral portion having a hollow portion therein by using three-dimensional printing by which a cement material is discharged; and (b) filling the hollow portion with the cement material, wherein, in the step (a), the outer peripheral portion is stacked in such a shape that a side surface thereof engages with a side surface of an outer peripheral portion of a cement structure arranged to be adjacent thereto in the transverse direction, and the step (b) is performed after the outer peripheral portion is cured. A cement structure manufacturing method is disclosed. The cement structure manufacturing method comprises the steps of: (a) stacking an outer peripheral portion having a hollow portion therein by using three-dimensional printing by which a cement material is discharged; and (b) filling the hollow portion with a cement material, wherein, in the step (a), the outer peripheral portion is stacked in such a shape that a side surface thereof engages with a side surface of an outer peripheral portion of a cement structure arranged to be adjacent thereto in the transverse direction, and the step (b) is performed after the outer peripheral portion is cured.

(71) Lee, Seungjun, Jeollabuk-do (KR)

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