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Small pile foundation construction method
The invention belongs to the technical field of pile foundation construction, and particularly relates to a small pile foundation construction method, a small pile foundation comprises a flange plate located on the upper portion and a plurality of small-diameter pile foundations located on the lower portion, and the small pile foundation construction method comprises the following steps that firstly, a rock drill is located; step 2, starting footage; 3, hole cleaning is conducted in the process; 5, bottom cleaning and water pumping; sixthly, the hole depth is measured again; seventhly, a reinforcement cage is put down; eighthly, concrete is poured; the defects in the prior art are overcome, a large-diameter pile foundation is broken up into parts and dispersed into a plurality of small pile foundations with the diameter within 0.5 m, and a novel rock drilling technology is adopted for pile forming to form a pile group foundation.
本发明属于桩基施工技术领域,具体涉及一种小桩基施工工法,所述小桩基包括位于上部的法兰盘和位于下部的若干个小直径桩基,所述小桩基施工工法包括如下步骤:步骤一,凿岩机定位;步骤二,开始进尺;步骤三,过程中清孔;步骤五,清底抽水;步骤六,复测孔深;步骤七,下钢筋笼;步骤八,浇筑混凝土;本发明克服了现有技术的不足,是把大直径桩基化整为零,分散成多个直径在0.5米以内的小型桩基础,采用新型凿岩技术进行成桩,形成群桩基础。
Small pile foundation construction method
The invention belongs to the technical field of pile foundation construction, and particularly relates to a small pile foundation construction method, a small pile foundation comprises a flange plate located on the upper portion and a plurality of small-diameter pile foundations located on the lower portion, and the small pile foundation construction method comprises the following steps that firstly, a rock drill is located; step 2, starting footage; 3, hole cleaning is conducted in the process; 5, bottom cleaning and water pumping; sixthly, the hole depth is measured again; seventhly, a reinforcement cage is put down; eighthly, concrete is poured; the defects in the prior art are overcome, a large-diameter pile foundation is broken up into parts and dispersed into a plurality of small pile foundations with the diameter within 0.5 m, and a novel rock drilling technology is adopted for pile forming to form a pile group foundation.
本发明属于桩基施工技术领域,具体涉及一种小桩基施工工法,所述小桩基包括位于上部的法兰盘和位于下部的若干个小直径桩基,所述小桩基施工工法包括如下步骤:步骤一,凿岩机定位;步骤二,开始进尺;步骤三,过程中清孔;步骤五,清底抽水;步骤六,复测孔深;步骤七,下钢筋笼;步骤八,浇筑混凝土;本发明克服了现有技术的不足,是把大直径桩基化整为零,分散成多个直径在0.5米以内的小型桩基础,采用新型凿岩技术进行成桩,形成群桩基础。
Small pile foundation construction method
一种小桩基施工工法
SHEN JUN (author) / LI WEI (author) / YANG JINFA (author)
2022-05-20
Patent
Electronic Resource
Chinese
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