Dynamic response of a thawing soil around the tunnel under the vibration load of subway

Peng-Peng He; Zhen-Dong Cui

doi:10.1007/s12665-014-3596-8

Dynamic response of a thawing soil around the tunnel under the vibration load of subway

Peng-Peng He, Zhen-Dong Cui (Lead / Corresponding author)

Civil Engineering

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

A certain thickness of thawing soil remains after the construction of subway tunnel by the artificial freezing method in soft soil area. The physical and mechanical properties of soil change a lot after freezing and thawing; therefore, the dynamic response of thawing soil is different from that of undisturbed soil under the same vibration loads of subway. The numerical simulations of thawing soil and undisturbed soil were conducted in this paper. The variations of the acceleration and the displacement of the surface and some special points were analyzed. The propagation characteristics of wave in the soil and the differences between thawing soil and undisturbed soil were obtained.

Original language	English
Pages (from-to)	2473-2482
Number of pages	10
Journal	Environmental Earth Sciences
Volume	73
Issue number	5
DOIs	https://doi.org/10.1007/s12665-014-3596-8
Publication status	Published - Mar 2015

Keywords

Dynamic response
Numerical simulation
Subway vibration
Thawing soil

ASJC Scopus subject areas

Global and Planetary Change
Environmental Chemistry
Water Science and Technology
Soil Science
Pollution
Geology
Earth-Surface Processes

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10.1007/s12665-014-3596-8

Cite this

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title = "Dynamic response of a thawing soil around the tunnel under the vibration load of subway",

abstract = "A certain thickness of thawing soil remains after the construction of subway tunnel by the artificial freezing method in soft soil area. The physical and mechanical properties of soil change a lot after freezing and thawing; therefore, the dynamic response of thawing soil is different from that of undisturbed soil under the same vibration loads of subway. The numerical simulations of thawing soil and undisturbed soil were conducted in this paper. The variations of the acceleration and the displacement of the surface and some special points were analyzed. The propagation characteristics of wave in the soil and the differences between thawing soil and undisturbed soil were obtained.",

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AB - A certain thickness of thawing soil remains after the construction of subway tunnel by the artificial freezing method in soft soil area. The physical and mechanical properties of soil change a lot after freezing and thawing; therefore, the dynamic response of thawing soil is different from that of undisturbed soil under the same vibration loads of subway. The numerical simulations of thawing soil and undisturbed soil were conducted in this paper. The variations of the acceleration and the displacement of the surface and some special points were analyzed. The propagation characteristics of wave in the soil and the differences between thawing soil and undisturbed soil were obtained.

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Dynamic response of a thawing soil around the tunnel under the vibration load of subway

Abstract

Keywords

ASJC Scopus subject areas

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