Journal ArticleDOI
Dynamic shear modulus and damping ratio of frozen compacted sand subjected to freeze–thaw cycle under multi-stage cyclic loading
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TLDR
In this article, a modified Hardin hyperbolic model was suggested to describe the backbone curves of frozen compacted sand from Nehe, Heilongjiang Province in China which was subjected to the closed-system freeze-thaw cycles.About:
This article is published in Soil Dynamics and Earthquake Engineering.The article was published on 2015-09-01. It has received 81 citations till now. The article focuses on the topics: Shear modulus & Damping ratio.read more
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Dynamic properties of frozen silty soils with different coarse-grained contents subjected to cyclic triaxial loading
TL;DR: In this paper, a series of cyclic triaxial compression tests at the temperature of −6°C were carried out with a modified MTS-810 apparatus with confining pressures ranging from 0.3 to 4.0
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Fatigue and damage properties of frozen silty sand samples subjected to cyclic triaxial loading.
TL;DR: In this paper, a cyclic triaxial test was conducted to explore the influences of dynamic axial loading on the dynamic features and fatigue of frozen silty sand, using an MTS-810 apparatus from Material Testing Systems (MTS).
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Dynamic shear modulus and damping ratio of thawed saturated clay under long-term cyclic loading
TL;DR: In this paper, the long-term dynamic behaviors of thawed saturated clay by conducting a series of cyclic triaxial tests were analyzed, and the effects of freeze-thaw cycles, dynamic stress amplitude, confining pressure and multi-stage cyclic loading on the evolution rules of dynamic shear modulus and damping ratio were analyzed.
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Characterizing hydro-mechanical behaviours of compacted subgrade soils considering effects of freeze-thaw cycles
TL;DR: In this paper, the effects of closed-system freeze-thaw (FT) cycles on the hydro-mechanical behaviours of two subgrade soils (a low plastic lean clay, SS and a lean clay with higher plasticity, HC) were evaluated.
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Accumulated permanent strain and critical dynamic stress of frozen silty clay under cyclic loading
Jia-hui Wang,Jia-hui Wang,Xianzhang Ling,Xianzhang Ling,Qionglin Li,Qionglin Li,Feng Zhang,Feng Zhang,Yan Li +8 more
TL;DR: In this paper, a series of dynamic triaxial experiments have been conducted to study the dynamic properties of the frozen soil from the subgrade along the Qinghai-Tibet Railway.
References
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Journal ArticleDOI
Shear modulus and damping in soils: design equations and curves
TL;DR: In this paper, an equation and graph for the determination of shear modulus and damping of soils for use in design problems involving repeated loading or vibration of soils, are presented.
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Effects of cyclic freezing and thawing on mechanical properties of Qinghai–Tibet clay
TL;DR: In this paper, a fine-grained clay was compacted in the laboratory and was thereafter exposed to a maximum of 21 closed-system freezing and thawing cycles, and the results showed that the physical-mechanical characteristic of investigated soils changed after it was subjected to freeze-thaw cycles.
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Influence of freeze–thaw on engineering properties of a silty soil
Jilin Qi,Wei Ma,Chunxia Song +2 more
TL;DR: In this article, the effects of freeze-thaw cycling on the engineering properties of a silty soil, Lanzhou loess, were studied under different freezing conditions and with the dry unit weight from 15.3 to 17.3 kN/m 3.
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Resilient properties of unbound road materials during seasonal frost conditions
TL;DR: The results from extensive resilient modulus laboratory tests during full freeze-thaw cycling are presented in this paper, where various coarse and fine-grained subgrade soils were tested at selected temperatures from room temperature down to −10°C and back to room temperature.
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Application of ultrasonic technology for physical–mechanical properties of frozen soils
TL;DR: In this paper, the influence of soil grain size and freezing temperature on ultrasonic wave propagating velocities in frozen soils is due to the variation of unfrozen water which was adjusted by the above mentioned factors under the other conditions being equal.