The invention relates to the construction of a foundation, in particular to a method for pulling out an underground pile. An underground pile casing vibration punching removal method, characterized in that it comprises the following steps: Step 1, casing production, with a long tube casing, water pipes and ventilation pipe is arranged on the outer wall, one end is zigzag, and the inner wall of the steel pipe is provided with a long rope; step two, the underground pile head position pile and remove the backfill is determined; step three, the vibration settling steel casing, crawler crane for sinking casing vibration hammer vibration, the sleeve is sleeved on the underground pile, casing in place to remove vibration hammer; step four, hanging pile body, when the sleeve is completely caught pile, used crawler crane to tighten the wire rope lifting; step five, vibration removal of steel casing, start the vibration hammer, used crawler crane hoist side side vibration removal of steel casing; step six, filling pile and disturbance area. The invention can successfully remove underground piles and remove obstacles for construction.
【技术实现步骤摘要】
【技术保护点】
一种地下桩套管振动冲孔拔除方法，其特征在于，它包括下列步骤： 步骤一，套管制作，以一长钢管为套管，其外壁上设置水管和通风管，一端头为锯齿形，且该长钢管内壁上设有钢丝绳； 步骤二，确定地下桩的桩头位置并清除回填土； 步骤三， 振动沉设钢套管，用履带吊车吊住振动锤振动下沉套管，使套管套住地下桩，套管就位后移除振动锤； 步骤四，吊拔桩体，当套管完全套住桩体后，用履带式吊机收紧钢丝绳起吊； 步骤五，振动拔除钢套管，启动振动锤，使用履带式吊机起吊边振动边拔除 钢套管； 步骤六，填平桩孔和扰动区处理。
【技术特征摘要】
【专利技术属性】
技术研发人员：方四宝，滕善涛，龚锡春，陆国华，
申请(专利权)人：上海宝冶建设有限公司，
类型：发明
国别省市：31[中国|上海]
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