Debris flow blocking structure capable of resisting impact of large stones for steel pipe concrete pile group

Abstract

The invention discloses a debris flow blocking structure capable of resisting impact of large stones for a steel pipe concrete pile group. The structural form of the debris flow blocking structure capable of resisting the impact of the large stones for the steel pipe concrete pile group is an isosceles triangle, two rows of piles are vertically arranged, the back row of piles are arranged between the front row of piles, and steel pipe concrete piles are connected in a penetrating and welded manner through hollow steel tube beams; planar #-shaped structures formed by the steel pipe concrete piles (1) and the hollow steel tube beams (2) are arranged on the front row, namely, an incident flow surface, of the steel pipe concrete pile group; planar #-shaped structures formed by the steel pipe concrete piles (1) and the hollow steel tube beams (2) are also arranged on the back row of the steel pipe concrete pile group, the front row of piles and the back row of piles are connected in a penetrating and welded manner through the hollow steel tube beams (3), and all steel pipe concrete piles (1) are fixed on a reinforced concrete raft foundation (4).

Description

technical field [0001] The invention relates to the field of mud-rock flow blocking, in particular to a mud-rock flow blocking structure resistant to the impact of large rocks. Background technique [0002] In the past, reinforced concrete pile forests were mostly used to block water and rock flows containing boulders and boulders. The structural form of the reinforced concrete pile forest is in the shape of a character. Two rows of piles are arranged vertically. The rear row of piles is placed between the front row of pile holes. This kind of structure mainly relies on the stiffness of the pile group to resist the impact of large rocks from debris flow. The reinforced concrete pile forest is described in detail in the Code for Design of Debris Flow Disaster Prevention Engineering. [0003] The disadvantages of reinforced concrete pile forests are: (1) the reinforcement is too dense, and the amount of concrete is huge; (2) the local impacted parts are seriously damaged; (3...

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Problems solved by technology

[0003] The disadvantages of reinforced concrete pile forests are: (1) the reinforcement is too dense, and the amount of concrete is huge; (2) the local impacted parts are seriously damaged; (3) the energy dissipation performance is poor; (4) the construction excavation is large, and the construction formwork Large quantity; (5) High cost

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