Fabrication molds and fabrication methods for ultra-high performance concrete-normal concrete (uhpc-nc) specimens

A fabrication mold for an ultra-high performance concrete-normal concrete (UHPC-NC) specimen, comprising a base, an assembled cylindrical barrel, a top cover, and an interface partition plate, wherein a middle portion of the base is provided with a circular boss, the assembled cylindrical barrel is arranged at an outer periphery of the circular boss, the interface partition plate is vertically inserted into a middle portion of the assembled cylindrical barrel, and the top cover is buckled on a top portion of the assembled cylindrical barrel;

• the assembled cylindrical barrel is formed by splicing a plurality of arc plates, an outer wall of each of the plurality of arc plates is provided with a detachable assembly, the detachable assembly includes a positioning plate, a limit shaft, and a regulator, the positioning plate is fixedly connected to the base;
• the limit shaft and the regulator are respectively connected to each of the plurality of arc plates and penetrate through the positioning plate, and an opening-closing state of the assembled cylindrical barrel is adjusted by rotating the regulator, and
• the interface partition plate includes a base master plate, an adjustable sub plate, and a pushing element, the base master plate is connected to the circular boss, and two ends of the base master plate abut against an inner wall of the assembled cylindrical barrel, the adjustable sub plate and the pushing element are cooperatively mounted on the base master plate, one side of the base master plate is configured to form a predetermined specimen interface morphology, and one side of the adjustable sub plate is configured to form a variable specimen interface morphology.