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Inclined frame type pile foundation skewback structure and construction method
The invention discloses an inclined frame type pile foundation skewback structure and a construction method, and aims to greatly reduce the excavated 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 large-diameter batter piles and arch ring chord members, each large-diameter batter pile is composed of two lower side large-diameter batter piles and two upper side large-diameter batter piles which are arranged at intervals in the transverse bridge direction, and the tops of the adjacent large-diameter batter piles are fixedly connected with a straining beam to form a frame type structure; the arch ring chord members comprise lower chord members and upper chord members, and the lower chord members and the upper chord members are fixedly connected with the tops of the corresponding large-diameter inclined piles through steel-concrete connecting structures; the large-diameter inclined piles are obliquely embedded into the rock mass, and an inclination angle alpha and an inclination angle beta are formed between the large-diameter inclined piles and the arch foot resultant force direction in the bridge-following direction and the bridge-crossing direction respectively.
一种倾斜框架式桩基础拱座构造及施工方法，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。包括大直径斜桩和拱圈弦杆，所述大直径斜桩由横桥向间隔设置的两根下侧大直径斜桩、两根上侧大直径斜桩构成，相邻大直径斜桩的顶部与系梁固结，形成框架式结构；所述拱圈弦杆包括下弦杆和上弦杆，下弦杆、上弦杆通过钢‑混连接构造与对应的大直径斜桩顶部固定连接；所述大直径斜桩倾斜嵌入岩体内，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。
Inclined frame type pile foundation skewback structure and construction method
The invention discloses an inclined frame type pile foundation skewback structure and a construction method, and aims to greatly reduce the excavated 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 large-diameter batter piles and arch ring chord members, each large-diameter batter pile is composed of two lower side large-diameter batter piles and two upper side large-diameter batter piles which are arranged at intervals in the transverse bridge direction, and the tops of the adjacent large-diameter batter piles are fixedly connected with a straining beam to form a frame type structure; the arch ring chord members comprise lower chord members and upper chord members, and the lower chord members and the upper chord members are fixedly connected with the tops of the corresponding large-diameter inclined piles through steel-concrete connecting structures; the large-diameter inclined piles are obliquely embedded into the rock mass, and an inclination angle alpha and an inclination angle beta are formed between the large-diameter inclined piles and the arch foot resultant force direction in the bridge-following direction and the bridge-crossing direction respectively.
一种倾斜框架式桩基础拱座构造及施工方法，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。包括大直径斜桩和拱圈弦杆，所述大直径斜桩由横桥向间隔设置的两根下侧大直径斜桩、两根上侧大直径斜桩构成，相邻大直径斜桩的顶部与系梁固结，形成框架式结构；所述拱圈弦杆包括下弦杆和上弦杆，下弦杆、上弦杆通过钢‑混连接构造与对应的大直径斜桩顶部固定连接；所述大直径斜桩倾斜嵌入岩体内，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。
Inclined frame type pile foundation skewback structure and construction method
一种倾斜框架式桩基础拱座构造及施工方法
WANG CONG (author) / WANG YANG (author) / REN ZHENG (author) / SONG SUIDI (author) / CHEN KEJIAN (author) / ZENG YONGPING (author) / LI SONGTAO (author) / ZHANG CHAO (author) / LI GUANGCHUAN (author) / TAN SHENG (author)
2023-08-22
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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