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A platform for research: civil engineering, architecture and urbanism
Shared large-diameter inclined pile foundation skewback structure and construction method thereof
The invention discloses a shared large-diameter inclined pile foundation skewback structure and a construction method thereof, and aims to greatly reduce the excavation volume and masonry quantity of a skewback foundation, reduce the damage to the environment to the greatest extent and meet the requirements of structural safety, durability and engineering economy. Comprising a pile foundation, a junction pier and a truss arch bridge chord member, the pile foundation is composed of two lower-side large-diameter piles and two upper-side large-diameter piles which are arranged at intervals in the transverse bridge direction, the lower-side large-diameter piles and the upper-side large-diameter piles are obliquely embedded into a foundation rock mass, and an inclination angle alpha and an inclination angle beta are formed between the lower-side large-diameter piles and the arch foot resultant force direction and between the transverse bridge direction and the arch foot resultant force direction respectively; the tops of the lower side large-diameter piles and the upper side large-diameter piles on the same side in the transverse bridge direction are fixedly connected with the frame beams into a whole to form a door type frame structure; the junction piers are fixedly connected to the top faces of the upper ends of the frame beams on the same side, and the axes of the junction piers are perpendicular to the top faces of the upper ends. The truss arch bridge chord member comprises an upper chord member and a lower chord member, the upper chord member and the lower chord member are fixedly connected to the upper end inclined face of the frame beam on the same side, and the tangent lines are perpendicular to the upper end inclined face.
一种共享式大直径斜桩基础拱座构造及其施工方法，以大幅度减小拱座基础开挖量和圬工量，最大程度地减少对环境的破坏，满足结构安全性、耐久性和工程经济性要求。包括桩基、交界墩和桁架拱桥弦杆，所述桩基由横桥向间隔设置的两根下侧大直径桩、两根上侧大直径桩构成，各下侧大直径桩、上侧大直径桩倾斜嵌入地基岩体内，在顺桥方向、横桥方向分别与拱脚合力方向形成倾角α、倾角β；横桥向同侧的下侧大直径桩、上侧大直径桩的顶部与框架梁固结为一体，形成门式框架结构；所述交界墩固结在同侧框架梁的上端顶面上，其轴线与该上端顶面垂直；所述桁架拱桥弦杆包括上弦杆和下弦杆，上弦杆、下弦杆固定连接在同侧框架梁的上端斜面上，其切线与该上端斜面垂直。
Shared large-diameter inclined pile foundation skewback structure and construction method thereof
The invention discloses a shared large-diameter inclined pile foundation skewback structure and a construction method thereof, and aims to greatly reduce the excavation volume and masonry quantity of a skewback foundation, reduce the damage to the environment to the greatest extent and meet the requirements of structural safety, durability and engineering economy. Comprising a pile foundation, a junction pier and a truss arch bridge chord member, the pile foundation is composed of two lower-side large-diameter piles and two upper-side large-diameter piles which are arranged at intervals in the transverse bridge direction, the lower-side large-diameter piles and the upper-side large-diameter piles are obliquely embedded into a foundation rock mass, and an inclination angle alpha and an inclination angle beta are formed between the lower-side large-diameter piles and the arch foot resultant force direction and between the transverse bridge direction and the arch foot resultant force direction respectively; the tops of the lower side large-diameter piles and the upper side large-diameter piles on the same side in the transverse bridge direction are fixedly connected with the frame beams into a whole to form a door type frame structure; the junction piers are fixedly connected to the top faces of the upper ends of the frame beams on the same side, and the axes of the junction piers are perpendicular to the top faces of the upper ends. The truss arch bridge chord member comprises an upper chord member and a lower chord member, the upper chord member and the lower chord member are fixedly connected to the upper end inclined face of the frame beam on the same side, and the tangent lines are perpendicular to the upper end inclined face.
一种共享式大直径斜桩基础拱座构造及其施工方法，以大幅度减小拱座基础开挖量和圬工量，最大程度地减少对环境的破坏，满足结构安全性、耐久性和工程经济性要求。包括桩基、交界墩和桁架拱桥弦杆，所述桩基由横桥向间隔设置的两根下侧大直径桩、两根上侧大直径桩构成，各下侧大直径桩、上侧大直径桩倾斜嵌入地基岩体内，在顺桥方向、横桥方向分别与拱脚合力方向形成倾角α、倾角β；横桥向同侧的下侧大直径桩、上侧大直径桩的顶部与框架梁固结为一体，形成门式框架结构；所述交界墩固结在同侧框架梁的上端顶面上，其轴线与该上端顶面垂直；所述桁架拱桥弦杆包括上弦杆和下弦杆，上弦杆、下弦杆固定连接在同侧框架梁的上端斜面上，其切线与该上端斜面垂直。
Shared large-diameter inclined pile foundation skewback structure and construction method thereof
一种共享式大直径斜桩基础拱座构造及其施工方法
WANG YANG (author) / LI SONGTAO (author) / CHEN KEJIAN (author) / WANG CONG (author) / ZENG YONGPING (author) / SONG SUIDI (author) / REN ZHENG (author) / XIA SHILIN (author) / ZHANG CHAO (author) / LI GUANGCHUAN (author)
2023-09-22
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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