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Bridge pile foundation construction extrusion supporting disc hole forming method
The invention discloses a bridge pile foundation construction extruding and supporting disc hole forming method. A percussion drill, a rotary excavating drill and a rotary drill are matched to machine a main hole to form a hole; after the main hole is formed, a hole detector is adopted to detect whether the hole depth, the hole diameter and the perpendicularity deviate or not, the corresponding model of a branch disc machine is selected according to the pile diameter of a pile foundation, extrusion and expansion operation is conducted, in the construction process, extrusion and expansion pressure is detected to generate actual detection data, and all branch disc extrusion and expansion operation is conducted in sequence; and after extrusion and expansion are completed, hole cleaning treatment is conducted, a reinforcement cage is put down, and concrete pouring is conducted. A percussion drill, a rotary drilling drill and a rotary drilling drill are matched to process a main hole and form a hole, a detection step is matched with an extrusion and expansion operation step, and continuous operation is carried out by sequential extrusion and expansion, hole cleaning and subsequent steps, so that the problems that a geological rock stratum is hard and a common hole forming process is difficult to construct are solved, the hole forming speed of a pile foundation is increased, and the pile length required by the pile foundation is shortened; the construction period is guaranteed, and economic benefits are remarkable.
本发明公开了一种桥梁桩基施工挤支盘成孔方法，采用冲击钻、旋挖钻、回旋钻配合加工主孔成孔；主孔成孔后，采用检孔仪检测孔深、孔径和垂直度是否偏位，根据桩基桩径选取支盘机的对应型号，进行挤扩作业，施工过程中，检测挤扩压力生成实际检测数据，依次进行全部支盘挤扩作业；挤扩完成后，进行清孔处理，下放钢筋笼，进行混凝土灌注。采用冲击钻、旋挖钻、回旋钻配合加工主孔成孔，采用检测步骤配合挤扩作业步骤、依次挤扩步骤、清孔步骤、后续步骤进行连续作业，解决了地质岩层坚硬，普通成孔工艺难于施工的问题，加快了桩基成孔的速度，减短了桩基所需桩长，施工工期得到了保障，经济效益显著。
Bridge pile foundation construction extrusion supporting disc hole forming method
The invention discloses a bridge pile foundation construction extruding and supporting disc hole forming method. A percussion drill, a rotary excavating drill and a rotary drill are matched to machine a main hole to form a hole; after the main hole is formed, a hole detector is adopted to detect whether the hole depth, the hole diameter and the perpendicularity deviate or not, the corresponding model of a branch disc machine is selected according to the pile diameter of a pile foundation, extrusion and expansion operation is conducted, in the construction process, extrusion and expansion pressure is detected to generate actual detection data, and all branch disc extrusion and expansion operation is conducted in sequence; and after extrusion and expansion are completed, hole cleaning treatment is conducted, a reinforcement cage is put down, and concrete pouring is conducted. A percussion drill, a rotary drilling drill and a rotary drilling drill are matched to process a main hole and form a hole, a detection step is matched with an extrusion and expansion operation step, and continuous operation is carried out by sequential extrusion and expansion, hole cleaning and subsequent steps, so that the problems that a geological rock stratum is hard and a common hole forming process is difficult to construct are solved, the hole forming speed of a pile foundation is increased, and the pile length required by the pile foundation is shortened; the construction period is guaranteed, and economic benefits are remarkable.
本发明公开了一种桥梁桩基施工挤支盘成孔方法，采用冲击钻、旋挖钻、回旋钻配合加工主孔成孔；主孔成孔后，采用检孔仪检测孔深、孔径和垂直度是否偏位，根据桩基桩径选取支盘机的对应型号，进行挤扩作业，施工过程中，检测挤扩压力生成实际检测数据，依次进行全部支盘挤扩作业；挤扩完成后，进行清孔处理，下放钢筋笼，进行混凝土灌注。采用冲击钻、旋挖钻、回旋钻配合加工主孔成孔，采用检测步骤配合挤扩作业步骤、依次挤扩步骤、清孔步骤、后续步骤进行连续作业，解决了地质岩层坚硬，普通成孔工艺难于施工的问题，加快了桩基成孔的速度，减短了桩基所需桩长，施工工期得到了保障，经济效益显著。
Bridge pile foundation construction extrusion supporting disc hole forming method
桥梁桩基施工挤支盘成孔方法
LI GUOJUN (author) / YAN PING (author) / LI ZHISHENG (author) / FENG HAOYUAN (author) / RO JUNG HWAN (author) / SUN ZHENHUA (author) / SHAO HAORAN (author) / CHEN ZEJING (author) / LI ZHIGUO (author) / WEN JIAWEI (author)
2022-08-09
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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