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Combined supporting structure of inclined bamboo joint piles and vertical bamboo joint piles and construction method thereof
The invention discloses a combined supporting structure of inclined bamboo joint piles and vertical bamboo joint piles. The combined supporting structure is characterized by comprising bamboo joint piles A arranged inclined to a horizontal plane and bamboo joint piles B arranged vertical to the horizontal plane. The bamboo joint piles A and the bamboo joint piles B are arranged alternately to forma piled supporting structure; the bamboo joint piles A and the bamboo joint piles B are arranged along the inner side of a foundation pit, a crown beam is arranged on the pile blocks of the bamboo joint piles A and the bamboo joint piles B; the lower part of each bamboo joint pile A inclines toward the foundation pit, a plurality of annular bumps vertical to the axis are arranged on the outer surfaces of the pile bodies of the bamboo joint piles A and the bamboo joint piles B, and annular reinforcing bars are arranged in the annular bumps; and the center connecting line of the pile block of the bamboo joint pile A is parallel to or superposed with that of the pile block of the bamboo joint pile B. The invention further discloses a construction method of the combined supporting structure of the inclined bamboo joint piles and the vertical bamboo joint piles. According to the invention, displacement of the pile block can be reduced, the excavation depth can be increased, the overturningand damaging probability of the foundation pit can be reduced, and the design strength of the supporting pile can be reduced to lower the cost.
本发明公开了一种倾斜竹节桩与竖直竹节桩的组合支护结构，其特征在于，包括倾斜于水平面布设的竹节桩A和垂直于水平面布设的竹节桩B，竹节桩A和竹节桩B交替排列构成排桩支护结构；竹节桩A和竹节桩B沿基坑边沿内侧设置，在竹节桩A和竹节桩B的桩顶上设有冠梁；竹节桩A的下部向基坑内倾斜，竹节桩A和竹节桩B的桩身外表面均设有若干垂直于轴线的环形凸起，环形凸起内设有环形加强筋；竹节桩A的桩顶中心连线与竹节桩B的桩顶中心连线平行或重合。本发明还公开了一种倾斜竹节桩与竖直竹节桩的组合支护结构的构造方法。本发明可减小桩顶位移，增加开挖深度，降低基坑倾覆破坏可能性，可减小支护桩设计强度以降低造价。
Combined supporting structure of inclined bamboo joint piles and vertical bamboo joint piles and construction method thereof
The invention discloses a combined supporting structure of inclined bamboo joint piles and vertical bamboo joint piles. The combined supporting structure is characterized by comprising bamboo joint piles A arranged inclined to a horizontal plane and bamboo joint piles B arranged vertical to the horizontal plane. The bamboo joint piles A and the bamboo joint piles B are arranged alternately to forma piled supporting structure; the bamboo joint piles A and the bamboo joint piles B are arranged along the inner side of a foundation pit, a crown beam is arranged on the pile blocks of the bamboo joint piles A and the bamboo joint piles B; the lower part of each bamboo joint pile A inclines toward the foundation pit, a plurality of annular bumps vertical to the axis are arranged on the outer surfaces of the pile bodies of the bamboo joint piles A and the bamboo joint piles B, and annular reinforcing bars are arranged in the annular bumps; and the center connecting line of the pile block of the bamboo joint pile A is parallel to or superposed with that of the pile block of the bamboo joint pile B. The invention further discloses a construction method of the combined supporting structure of the inclined bamboo joint piles and the vertical bamboo joint piles. According to the invention, displacement of the pile block can be reduced, the excavation depth can be increased, the overturningand damaging probability of the foundation pit can be reduced, and the design strength of the supporting pile can be reduced to lower the cost.
本发明公开了一种倾斜竹节桩与竖直竹节桩的组合支护结构，其特征在于，包括倾斜于水平面布设的竹节桩A和垂直于水平面布设的竹节桩B，竹节桩A和竹节桩B交替排列构成排桩支护结构；竹节桩A和竹节桩B沿基坑边沿内侧设置，在竹节桩A和竹节桩B的桩顶上设有冠梁；竹节桩A的下部向基坑内倾斜，竹节桩A和竹节桩B的桩身外表面均设有若干垂直于轴线的环形凸起，环形凸起内设有环形加强筋；竹节桩A的桩顶中心连线与竹节桩B的桩顶中心连线平行或重合。本发明还公开了一种倾斜竹节桩与竖直竹节桩的组合支护结构的构造方法。本发明可减小桩顶位移，增加开挖深度，降低基坑倾覆破坏可能性，可减小支护桩设计强度以降低造价。
Combined supporting structure of inclined bamboo joint piles and vertical bamboo joint piles and construction method thereof
倾斜竹节桩与竖直竹节桩的组合支护结构及其构建方法
ZHOU HAIZUO (author) / ZHENG GANG (author) / GUO ZHIYI (author) / LI SONGHAO (author) / LIU ZHAOPENG (author) / WU XIAOBO (author) / HE XIAOPEI (author) / LIU XINJU (author)
2020-11-20
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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