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A platform for research: civil engineering, architecture and urbanism
Composite retaining structure of oblique wedge piles and vertical pipe piles and construction method thereof
The invention discloses a composite retaining structure of oblique wedge piles and vertical pipe piles. The composite retaining structure comprises a row pile retaining structure constructed by alternatively arranging the pipe piles and the wedge piles, wherein the pipe piles and the wedge piles are arranged along the inner side of the edge of a foundation pit; top beams are arranged on the pile tops of the pipe piles and the wedge piles; the axes of the wedge piles incline relative to the horizontal plane; the areas of the cross sections of the wedge piles are reduced in sequence from the pile tops to the pile bottoms; the lower parts of the wedge piles incline towards the inside of the foundation pit; the axes of the pipe piles are vertical to the horizontal plane; and the connection lines of the pile tops of the pipe piles and the connection lines of the pile tops of the wedge piles are parallel to or coincident with each other. The invention further discloses a construction methodfor the composite retaining structure of the oblique wedge piles and the vertical pipe piles. Through adoption of the composite retaining structure, the displacement of the pile tops can be reduced; the digging depth is increased; the collapse possibility of the foundation pit is lowered; and the design strength of support piles can be lowered in order to lower the construction cost.
本发明公开了一种倾斜楔形桩与竖直管桩的组合支护结构，包括由管桩和楔形桩交替排列构成的排桩支护结构；所述管桩和所述楔形桩沿基坑边沿内侧设置，在所述管桩和所述楔形桩的桩顶上设有冠梁；所述楔形桩，其轴线倾斜于水平面，其横截面的面积从桩顶至桩底依次变小,其下部向基坑内倾斜；所述管桩的轴线垂直于水平面；所述管桩的桩顶中心连线与所述楔形桩的桩顶中心连线平行或重合。本发明还公开了一种倾斜楔形桩与竖直管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。
Composite retaining structure of oblique wedge piles and vertical pipe piles and construction method thereof
The invention discloses a composite retaining structure of oblique wedge piles and vertical pipe piles. The composite retaining structure comprises a row pile retaining structure constructed by alternatively arranging the pipe piles and the wedge piles, wherein the pipe piles and the wedge piles are arranged along the inner side of the edge of a foundation pit; top beams are arranged on the pile tops of the pipe piles and the wedge piles; the axes of the wedge piles incline relative to the horizontal plane; the areas of the cross sections of the wedge piles are reduced in sequence from the pile tops to the pile bottoms; the lower parts of the wedge piles incline towards the inside of the foundation pit; the axes of the pipe piles are vertical to the horizontal plane; and the connection lines of the pile tops of the pipe piles and the connection lines of the pile tops of the wedge piles are parallel to or coincident with each other. The invention further discloses a construction methodfor the composite retaining structure of the oblique wedge piles and the vertical pipe piles. Through adoption of the composite retaining structure, the displacement of the pile tops can be reduced; the digging depth is increased; the collapse possibility of the foundation pit is lowered; and the design strength of support piles can be lowered in order to lower the construction cost.
本发明公开了一种倾斜楔形桩与竖直管桩的组合支护结构，包括由管桩和楔形桩交替排列构成的排桩支护结构；所述管桩和所述楔形桩沿基坑边沿内侧设置，在所述管桩和所述楔形桩的桩顶上设有冠梁；所述楔形桩，其轴线倾斜于水平面，其横截面的面积从桩顶至桩底依次变小,其下部向基坑内倾斜；所述管桩的轴线垂直于水平面；所述管桩的桩顶中心连线与所述楔形桩的桩顶中心连线平行或重合。本发明还公开了一种倾斜楔形桩与竖直管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。
Composite retaining structure of oblique wedge piles and vertical pipe piles and construction method thereof
一种倾斜楔形桩与竖直管桩的组合支护结构及其构建方法
ZHENG GANG (author) / LIU ZHAOPENG (author) / ZHOU HAIZUO (author) / WU XIAOBO (author) / HE XIAOPEI (author) / LIU XINJU (author) / LI SONGHAO (author) / GUO ZHIYI (author)
2020-11-20
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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