PURPOSE: A concrete surface finishing apparatus equipped with a liquid membrane curing agent spray equipment for preventing a plastic crack is provided to minimize the required man power and to simplify the process by executing the leveling and compacting works about the concrete applied surface and the membrane curing agent spreading work about the leveled concrete surface at the same time. CONSTITUTION: A concrete surface finishing apparatus equipped with a liquid membrane curing agent spray equipment for preventing a plastic crack includes a compaction equipment(1) and a spray equipment(2). The compaction equipment executes leveling and compacting works about the concrete applied surface. The compaction equipment includes a compaction unit(10), a traction frame(16), and a driving engine(18). The compaction unit is composed of a compaction plate(12) and a vibration unit(14). The compaction plate evenly compacts the concrete applied surface. The vibration unit is installed in the compaction plate to apply vibration to the concrete applied surface. The traction frame moves the compaction unit. The driving engine is mounted on the traction frame to supply the power to the vibration. The spray equipment is driven by remaining power of the driving engine of the compaction equipment. The spray equipment spreads the membrane curing agent on the leveled and compacted concrete surface.
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