Three-dimensional side slope model establishing method for study on anti-slide pile position

A technology for model building and anti-sliding piles, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problem that the optimal anti-sliding pile position cannot be analyzed by mathematical models

Inactive Publication Date: 2015-11-11
XUCHANG UNIV
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Problems solved by technology

[0007] The purpose of the present invention is to provide a method for establishing a three-dimensional slope model for studying the...

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  • Three-dimensional side slope model establishing method for study on anti-slide pile position
  • Three-dimensional side slope model establishing method for study on anti-slide pile position
  • Three-dimensional side slope model establishing method for study on anti-slide pile position

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Embodiment Construction

[0012] The present invention will be described in detail below in combination with specific embodiments.

[0013] A method for establishing a three-dimensional slope model for researching anti-slide pile positions of the present invention, the model establishment steps:

[0014] Two anti-slide piles are symmetrically arranged, a row of prestressed anchor cables is added at the center of the pile top of the anti-slide piles, and four rows of anchor cables are arranged on the middle sliding surface. The size of the slope model is 170m (length) × 88m (height) × 12m (width), the anti-slide pile is 19m long, and adopts a rectangular section of 2m × 3m, and the short side is the force-bearing surface, adjacent to the central axis of the pile The spacing is 4m.

[0015] A two-dimensional massless and thicknessless beam element coupled with the solid anti-slide pile is implanted, and a three-dimensional Goodman contact element is set between the pile and soil, as well as the weak lay...

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Abstract

The present invention discloses a three-dimensional side slope model establishing method for study on an anti-slide pile position. The method comprises: arranging two anti-slide piles symmetrically; arranging a row of prestressed anchor cables in the top center of each anti-slide pile; arranging four rows of anchor cables on a middle-layer slide surface, wherein a short edge is a force-receiving surface; implanting a two-dimensional massless and zero-thickness beam unit coupled with the entity anti-slide pile, and arranging three-dimensional Goodman contact units between the pile and soil and on a weak layer and a potential slide surface layer, wherein the anti-slide pile adopts C25 concrete; and adopting a mole-coulomb constitutive model when establishing an entity side slope and the entity anti-slide pile, and simulating both a one-dimensional truss and an implantable truss by using a linear elasticity constitutive model. The beneficial effects of the present invention are that the three-dimensional side slope model establishing method for study on the anti-slide pile position is provided and the best burying point of the anti-slide piles in a real project is obtained by combination of mathematical modeling and reality.

Description

technical field [0001] The invention belongs to the technical field of construction and relates to a method for establishing a three-dimensional slope model for studying anti-slide pile positions. Background technique [0002] In engineering practice, anti-slide piles and prestressed anchor cables are often used to strengthen slopes, and a key issue involved in strengthening slopes is the determination of the optimal embedding position of anti-slide piles. At present, the design and research on the optimal pile location are frequently seen in the literature, Hassiotis [1,2] , Ito, etc. [3] It is believed that if the anti-slide piles are buried in the middle and upper part of the slope, the overall stability of the slope will be better, and the supporting effect of the piles will be better played; while Cai and Ugai et al. [4] Using three-dimensional elastic-plastic strength reduction analysis, it is considered that the anti-slide piles buried in the middle of the landslide...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 吴国玺
Owner XUCHANG UNIV
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