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Updated: Jun 27, 2025

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations
Published on: September 11, 2016
Study on load transfer mechanisms and impact on adjacent railway subgrade within loess regions
Wenhui Zhao1, Ke Zhang1, Jinjiang Xu1
1School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
Abstract:
Clarifying load transfer mechanism and the influence of the widening of a newly-built railway is the premise for the construction of adjacent project in loess region. This paper uses monitoring datas obtained from three sections in different stages to analyze the distribution laws of load exert on piles and soil between piles, investigates the variation laws of filling height on the earth pressure at different excavation steps and elucidates the influence of the filling height of newly built subgrade on the existing subgrade. In addition, a fitting formula y = a(1-e-bx) + cx is proposed to describe the relationship between the ratio of the additional displacement to the filling height, which is applicable for similar projects.
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