Research on Influence of Roughness on Shear Characteristics of Interfaces Between Frozen Soil and Structures

CHEN Hang-jie; HE Fei; WANG Xu; CHEN Ming-wei

doi:10.13204/j.gyjzG22012005

Volume 52 Issue 9

Sep. 2022

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CHEN Hang-jie, HE Fei, WANG Xu, CHEN Ming-wei. Research on Influence of Roughness on Shear Characteristics of Interfaces Between Frozen Soil and Structures[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 186-192,213. doi: 10.13204/j.gyjzG22012005

Citation:

CHEN Hang-jie, HE Fei, WANG Xu, CHEN Ming-wei. Research on Influence of Roughness on Shear Characteristics of Interfaces Between Frozen Soil and Structures[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 186-192,213. doi: 10.13204/j.gyjzG22012005

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Research on Influence of Roughness on Shear Characteristics of Interfaces Between Frozen Soil and Structures

doi: 10.13204/j.gyjzG22012005

School of Civil Engineering, Lanzhou Jiaotong University, Key Laboratory of Road & Bridge and Underground Engineering of Gansu Province, Lanzhou 730070, China

Received Date: 2022-01-20
Available Online: 2023-02-06

Abstract

Abstract

Large scale construction projects have been carried out on varieties of cold areas with deepening of the Western Development and the Northeast Revitalization Strategy. To ensure the life of construction projects and maintain their normal working states in service periods, the higher bearing capacity and stability are needed to keep for frozen soil and structures. It is characteristic of frozen soil-structure interfaces that the frozen mechanics is the most direct mirror, and the roughness of interfaces is one of important factors influencing characteristics. Therefore,taking roughness as an influencing factor, based on the existing scientific research achievements of shear test research on frozen soil-structure interfaces at home and abroad, it was systematically analyzed from roughness evaluation, effect laws of roughness on mechanical properties and microscopic mechanisms. Based on the Gompertz model, a constitutive model between shear stress and displacement on interfaces was presented by considering the effect of roughness, which could well describe the evolution laws between stress and displacement of interfaces.
- interface between frozen soil and structure,
- roughness,
- mechanical characteristic,
- microscopic mechanism,
- constitutive model

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References(41)

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