Correspondence Analysis of Soil around Micropile Composite Structures under Horizontal Load

Hai Shi, Mingzhou Bai, Chao Li, Yunlong Zhang and Gang Tian

Mathematical Problems in Engineering, 2015, vol. 2015, 1-12

Abstract:

The current approach, which is based on conformal transformation, is to map micropile holes in comparison with unit circle domain. The stress field of soil around a pile plane, as well as the plane strain solution to displacement field distribution, can be obtained by adopting complex variable functions of elastic mechanics. This paper proposes an approach based on Winkler Foundation Beam Model, with the assumption that the soil around the micropiles stemmed from a series of independent springs. The rigidity coefficient of the springs is to be obtained from the planar solution. Based on the deflection curve differential equation of Euler-Bernoulli beams, one can derive the pile deformation and internal force calculation method of micropile composite structures under horizontal load. In the end, we propose reinforcing highway landslides with micropile composite structure and conducting on-site pile pushing tests. The obtained results from the experiment were then compared with the theoretical approach. It has been indicated through validation analysis that the results obtained from the established theoretical approach display a reasonable degree of accuracy and reliability.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:382427

DOI: 10.1155/2015/382427

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