Installation method of wind power foundation pile: Fid-Bau Portal

Installation method of wind power foundation pile

DONG WEINA

The invention discloses an installation method of a wind power foundation pile. The method comprises the following steps that the pile position of the wind power foundation pile is obtained; on the basis of the pile position, a floating crane, a transport ship and a pile gripper are in place; the pile gripper is fixed, and the wind power foundation pile is placed in the pile gripper; the wind power foundation pile is positioned in mud; a main machine of the drilling machine is fixed to the wind power foundation pile, and a drill bit of the drilling machine downwards penetrates through the wind power foundation pile; slurry is injected into the wind power foundation pile; the drilling machine drills holes for several times and correspondingly sinks the pile until the final preset depth is reached, and the pile is sunk in place; and slurry in the wind power foundation pile is evacuated, slag is discharged, and concrete is poured into the wind power foundation pile. The technical problems that according to a wind power foundation pile installation method in the prior art, a pile casing and a drilling machine installation device need to be specially arranged, time and labor are wasted in wind power foundation pile installation construction, and the cost is high are effectively solved, the construction links are reduced, the construction cost is reduced, and the safety risk is greatly reduced.

本发明公开了一种风电基础桩的安装方法，所述方法包括如下步骤：获取风电基础桩的桩位；基于所述桩位，使浮吊、运输船和抱桩器就位；固定抱桩器，并将风电基础桩放入抱桩器中；将风电基础桩入泥定位；将钻机的主机固定在风电基础桩上，并使钻机的钻头向下贯穿风电基础桩；向风电基础桩内加注泥浆；钻机分次进行钻孔并对应沉桩，直至钻至最终预定深度，且沉桩到位；抽空风电基础桩内的泥浆和排渣，并向风电基础桩内灌注混凝土。本发明有效解决了现有技术中的风电基础桩安装方法需要专门设置护筒和钻机安装装置，导致风电基础桩安装施工费时费力且成本高的技术问题，减少了施工环节、降低了施工成本、极大地降低了安全风险。

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