| 摘要 |
PROBLEM TO BE SOLVED: To provide a chemical feeding technique for feeding chemicals into the ground, which pays attention to a ground-vibrating function of chemical feeding equipment, blocks a gap by generating vibration to prevent outflow of the chemicals fed into the ground if the gap is formed in the bed of the ground, whereas fluidizes the bed by generating vibration to sufficiently and uniformly infiltrate the chemicals into the ground if the bed is hard. SOLUTION: The chemical feeding method is carried out by injecting the chemicals for cutting off the ground and reinforcing the ground from the tip of a penetration rod 1 penetrated into the ground. By using a vibrator attached to the tip of the penetration rod or imparting pulsing motion to the chemicals, the chemical feeding equipment carries out injection of the chemicals into the ground while vibrating the ground around the equipment.
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