Pile splicing construction method for pile foundation: Fid-Bau Portal

Pile splicing construction method for pile foundation

JIANG HONG / LIU QIULONG

The invention discloses a pile foundation pile extension construction method which comprises the following steps that 1, a limiting mechanism is installed on a pile pressing machine, a pipe pile is hoisted to the limiting mechanism, and pile insertion is conducted after the pipe pile is vertically hoisted to a pile clamping device; 2, the pipe pile is pressed through a pile pressing hydraulic cylinder, and the pile pressing process of the pipe pile is observed in real time; 3, pile splicing operation is conducted on the second pipe pile section and the first pipe pile section; 4, pile feeding operation is conducted on the tail section pipe pile through a pile feeder; and 5, connecting and anchoring the tail section pipe pile and the bearing platform. The pipe pile clamping device has the advantages that the conditions that when the pipe pile is constructed, the pipe pile is prone to shaking in the pipe pile hoisting process, so that the pipe pile is not prone to being fixed by the pile clamping device, and the pipe pile is prone to colliding with the pile pressing hydraulic cylinder due to shaking are effectively reduced.

本申请公开了一种桩基础接桩施工方法，包括以下步骤：步骤1、压桩机上安装有限位机构，将管桩吊运至所述限位机构，使得管桩竖直吊运至夹桩器后进行插桩；步骤2、通过压桩液压缸对管桩进行压桩，并实时观测管桩的压桩过程；步骤3、对第二节管桩与首节管桩进行接桩作业；步骤4、通过送桩器对尾节管桩进行送桩作业；步骤5、将尾节管桩与承台进行连接锚固。本申请具有有效地减少了在对管桩施工时，吊起管桩的过程中管桩容易发生晃动导致夹桩器不易对管桩进行固定，且容易因为管桩的晃动而产生与压桩液压缸发生碰撞的情况的效果。

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