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Pressure correction and deformation analysis of double row pile foundation in Changchun earth

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Document pages: 10 pages

Abstract: In order to study the earth pressure and deformation characteristics of double row piles in foundation pit engineering, a physical model test model of deformation of double row piles in large foundation pit is established based on the principle of similarity theory. Taking Changchun deep foundation pit project as an example, through the above physical model test, the strain, displacement and earth pressure of double row piles are calculated. Numerical simulation is carried out to verify the practicability of physical model test. The results show that the strain and displacement of the front pile are greater than that of the rear pile. The earth pressure of the front pile seems to be "right convex ", which is correctedpecification of the earth pressure and putting forward the coefficient of β. The results in this paper may provide constructive reference for practical engineering.

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