Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method for forming hole in large-thickness sandy gravel layer through rotary drilling rig
The invention belongs to the field of foundation treatment, and particularly relates to a construction method for forming a hole in a large-thickness sandy gravel layer through a rotary drilling rig. The construction method comprises the following steps of (S1) measuring and setting out a pile position according to a design drawing; (S2) putting a drilling machine in place, and burying a pile casing; (S3) rapidly drilling to the upper side of the sandy gravel layer by adopting a single-layer bottom barrel drilling tool and form relieved teeth, adding slurry in the position 5 m before the sandy gravel layer is drilled, and performing slurry wall protection; (S4) drilling the sandy gravel layer for the first time by adopting a friction type drill rod, a double-layer bottom barrel drill and cutting teeth, then taking out sandy gravel, and additionally, recording footage data H1; (S5) putting the drilling tool again after the drill is lifted and soil is unloaded, and additionally, checking footage data H2 again; (S6) selecting a subsequent construction method according to H2-H1; (S7) using other drilling tools and drilling rods, and continuing drilling to reach the designed position; (S8) installing a reinforcement cage and a guide pipe in a drill hole; and (S9) pouring concrete.
本发明属于地基处理领域，具体是一种旋挖钻机在大厚度砂卵石层成孔施工方法。包括以下步骤。S1～根据设计图测量放样出桩位。S2～钻机就位和埋设护筒。S3～采用单层底桶钻具和铲齿快速钻进至砂卵石层上侧，在钻进砂卵石层前5m处加入泥浆，进行泥浆护壁。S4～采用摩阻式钻杆、双层底桶钻和截齿对砂卵石层进行第一次钻进，然后掏出砂卵石，同时记录进尺数据H1。S5～提钻卸土后，再次放入钻具，同时再次查看进尺数据H2。S6～根据H2‑H1选择后续施工方法。S7～改用其他钻具和钻杆，继续钻进到设计位置。S8～钻孔内安装钢筋笼和导管。S9～浇筑混凝土。
Construction method for forming hole in large-thickness sandy gravel layer through rotary drilling rig
The invention belongs to the field of foundation treatment, and particularly relates to a construction method for forming a hole in a large-thickness sandy gravel layer through a rotary drilling rig. The construction method comprises the following steps of (S1) measuring and setting out a pile position according to a design drawing; (S2) putting a drilling machine in place, and burying a pile casing; (S3) rapidly drilling to the upper side of the sandy gravel layer by adopting a single-layer bottom barrel drilling tool and form relieved teeth, adding slurry in the position 5 m before the sandy gravel layer is drilled, and performing slurry wall protection; (S4) drilling the sandy gravel layer for the first time by adopting a friction type drill rod, a double-layer bottom barrel drill and cutting teeth, then taking out sandy gravel, and additionally, recording footage data H1; (S5) putting the drilling tool again after the drill is lifted and soil is unloaded, and additionally, checking footage data H2 again; (S6) selecting a subsequent construction method according to H2-H1; (S7) using other drilling tools and drilling rods, and continuing drilling to reach the designed position; (S8) installing a reinforcement cage and a guide pipe in a drill hole; and (S9) pouring concrete.
本发明属于地基处理领域，具体是一种旋挖钻机在大厚度砂卵石层成孔施工方法。包括以下步骤。S1～根据设计图测量放样出桩位。S2～钻机就位和埋设护筒。S3～采用单层底桶钻具和铲齿快速钻进至砂卵石层上侧，在钻进砂卵石层前5m处加入泥浆，进行泥浆护壁。S4～采用摩阻式钻杆、双层底桶钻和截齿对砂卵石层进行第一次钻进，然后掏出砂卵石，同时记录进尺数据H1。S5～提钻卸土后，再次放入钻具，同时再次查看进尺数据H2。S6～根据H2‑H1选择后续施工方法。S7～改用其他钻具和钻杆，继续钻进到设计位置。S8～钻孔内安装钢筋笼和导管。S9～浇筑混凝土。
Construction method for forming hole in large-thickness sandy gravel layer through rotary drilling rig
旋挖钻机在大厚度砂卵石层成孔施工方法
YANG YINWANG (Autor:in) / GUO WEILIN (Autor:in) / WANG HONG (Autor:in) / FENG JIANBIN (Autor:in) / XIAO BING (Autor:in) / SUN DESHENG (Autor:in) / XIE JUNPING (Autor:in) / JIA GUOSHUAI (Autor:in) / HE YAQIN (Autor:in) / WANG GANG (Autor:in)
10.12.2021
Patent
Elektronische Ressource
Chinesisch
Sandy gravel stratum rotary drilling collapse hole repairing method
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2023
Water-rich sandy gravel geological pile group hole forming construction method
| Europäisches Patentamt | 2022
Water-rich sandy gravel geological pile group hole forming construction method
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2020