The present invention provides a method for automated production of a closed single-piece hollow slab capable of automatically mass-producing a high-quality hollow slab having a pattern through appropriate temperature control of a pattern and curing.A method for automated production of a closed-end hollow slab according to a preferred embodiment of the present invention includes a lower mold for pouring a hollow pipe into which a hot water pipe is piped, a guide rail longitudinally disposed on a side of a lower mold for pouring hollow slab, A mold system comprising a tensioning device disposed on both sides of the longitudinal direction of the lower mold for casting; Installing a patterned foam in the longitudinal direction on the bed side of the hollow mold for pouring the hollow slab; Placing a tension material in the lower mold for pouring the hollow slab and tensioning it with a tension device; Installing a curing tent using a tent pavement equipment mounted on a guide rail after inserting concrete while moving a slab dedicated balancer installed on a guide rail to a lower mold; Adjusting the time and temperature to complete the curing of the concrete, removing the tent, and disassembling the tension of the tent material; And a step of demolding the cut concrete after cutting the concrete by confirming the cutting position of the concrete corresponding to the unit length.
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