CUTTING AND REMOVING CONSTRUCTION METHOD AND DEVICE FOR EXISTING FOUNDATION PILE

摘要

PROBLEM TO BE SOLVED: To provide a cutting and removing construction method and a device for an existing foundation pile capable of performing cutting and removing work of the existing foundation pile while restraining noise and vibration. SOLUTION: After pressing a steel pipe casing 2 having a diameter larger than a foundation pile in the periphery of the existing foundation pile 1, earth and sand between the casing and the foundation pile are scraped out to form a space 3. A wire saw device 4 having an endless wire saw 4a is inserted into the space. By driving the wire saw device, after cutting the foundation pile in round slices in the desired length, the round slices are successively taken out.