METHOD FOR MANUFACTURING CONCRETE TUBE

摘要

PROBLEM TO BE SOLVED: To provide a method for manufacturing a concrete tube having high productivity even without using a centrifugal molding machine or a vibrating pressure molding machine and without bringing about insufficient packing. SOLUTION: The method for manufacturing the concrete tube comprises the steps of preparing a highly flowing concrete mixed with an accelerator of an amount in which a solidification starting time becomes 1 to 3 hours, casting the concrete in a form, and molding the concrete tube.