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Steel sheet pile supporting structure and construction method thereof
The invention provides a steel sheet pile supporting structure applied to the technical field of pit foundation supporting engineering construction and further relates to a steel sheet pile supportingconstruction method. The steel sheet pile supporting structure is characterized in that an abdominal cavity (2) capable of penetrating through a steel sheet pile (1) is formed in the steel sheet pile(1), a drill rod (3) is movably installed in the abdominal cavity (2), and the upper end of the drill rod (3) is connected with a motor; and a drill bit (4) is installed at the lower end of the drillrod (3) and is of an inverted-cone-shaped structure, a conveying pipeline (5) of a hollow structure is arranged inside the drill rod (3), a spray head (6) is arranged inside the drill bit (4) and communicates with the conveying channel (5), and multiple spray holes (7) communicating the spray head (6) with the outside of the drill bit (4) are further formed in the drill bit (5). According to thesteel sheet pile supporting structure, the problem that drilling of the steel sheet pile into a gravel layer and other hard stratums is difficult can be solved, disturbance caused by pulling out of the steel sheet pile to surrounding soil is reduced, and operation efficiency of the steel sheet pile is improved.
本发明提供一种应用于坑基支护工程施工技术领域的钢板桩支护结构,本发明还涉及一种钢板桩支护施工方法,所述的钢板桩支护结构的钢板桩(1)上设置能够穿透钢板桩(1)的腹腔(2),钻杆(3)活动安装在腹腔(2)内,钻杆(3)上端与电机连接,钻杆(3)下端安装钻头(4),钻头(4)为倒锥形体结构,钻杆(3)内部设置中空结构的输送管道(5),钻头(4)内部设置喷头(6),喷头(6)与输送通道(5)连通,钻头(5)上还设置多个连通喷头(6)和钻头(4)外部的喷孔(7),本发明所述的钢板桩支护结构,能够克服砾石层等坚硬地层钢板桩难以打入问题,减少钢板桩拔除对周围土体造成的扰动,提高钢板桩作业效率。
Steel sheet pile supporting structure and construction method thereof
The invention provides a steel sheet pile supporting structure applied to the technical field of pit foundation supporting engineering construction and further relates to a steel sheet pile supportingconstruction method. The steel sheet pile supporting structure is characterized in that an abdominal cavity (2) capable of penetrating through a steel sheet pile (1) is formed in the steel sheet pile(1), a drill rod (3) is movably installed in the abdominal cavity (2), and the upper end of the drill rod (3) is connected with a motor; and a drill bit (4) is installed at the lower end of the drillrod (3) and is of an inverted-cone-shaped structure, a conveying pipeline (5) of a hollow structure is arranged inside the drill rod (3), a spray head (6) is arranged inside the drill bit (4) and communicates with the conveying channel (5), and multiple spray holes (7) communicating the spray head (6) with the outside of the drill bit (4) are further formed in the drill bit (5). According to thesteel sheet pile supporting structure, the problem that drilling of the steel sheet pile into a gravel layer and other hard stratums is difficult can be solved, disturbance caused by pulling out of the steel sheet pile to surrounding soil is reduced, and operation efficiency of the steel sheet pile is improved.
本发明提供一种应用于坑基支护工程施工技术领域的钢板桩支护结构,本发明还涉及一种钢板桩支护施工方法,所述的钢板桩支护结构的钢板桩(1)上设置能够穿透钢板桩(1)的腹腔(2),钻杆(3)活动安装在腹腔(2)内,钻杆(3)上端与电机连接,钻杆(3)下端安装钻头(4),钻头(4)为倒锥形体结构,钻杆(3)内部设置中空结构的输送管道(5),钻头(4)内部设置喷头(6),喷头(6)与输送通道(5)连通,钻头(5)上还设置多个连通喷头(6)和钻头(4)外部的喷孔(7),本发明所述的钢板桩支护结构,能够克服砾石层等坚硬地层钢板桩难以打入问题,减少钢板桩拔除对周围土体造成的扰动,提高钢板桩作业效率。
Steel sheet pile supporting structure and construction method thereof
一种钢板桩支护结构及其施工方法
QIAO XIAOMING (Autor:in) / KONG FANFENG (Autor:in) / LYU ZHENGDONG (Autor:in) / WANG HONGWEI (Autor:in)
17.07.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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