MICRO PILE CONSTRUCTION METHOD USING ANCHORAGE APPRATUS OF MICRO PILE

摘要

PURPOSE: A pile construction method using a fixing device for micro piles is provided to reduce the whole construction cost without anchoring operation to settle a head part of the micro pile, and to construct the head part simply. CONSTITUTION: A pile construction method using a fixing device for micro piles includes the following steps of: forming a ground perforation hole without using a casing; fixing the micro piles(200) on the ground perforation hole; installing a lower lock nut(150) on the top of the micro pile; inserting a lower plate(130) into the top of the lower lock nut; installing a middle plate(120) which is more extended to the outside than a lower plate; inserting an upper plate(110) into the micro piles; compressing the upper plate, the middle plate and the lower plate; and finishing the pile construction by filling grouting materials in the ground perforation hole.