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Variation characteristics of frozen ground degradation in the Qinghai-Tibet Plateau observed using time series data of MODIS from 2000 to 2020
As an important component of the cryosphere, the frozen ground is sensitive to climate change. With global warming, frozen ground in most regions of...
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Mechanical behavior assessment of retaining wall structure due to frost heave of frozen ground
Frost heave action is a major issue in permafrost regions, leading to various geotechnical engineering problems. In this study, we assess the...
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A large frozen debris avalanche entraining warming permafrost ground—the June 2021 Assapaat landslide, West Greenland
A large landslide (frozen debris avalanche) occurred at Assapaat on the south coast of the Nuussuaq Peninsula in Central West Greenland on June 13,...
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Thermal Geophysical Investigation of the Snow Cover, Ice and Frozen Ground in the Lite of Climate Variation
The paper presents the results of the continuation of the thermal and geophysical researches of snow cover, ice glacier and frozen ground thickness...
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Mechanical behaviors of warm and ice-rich frozen soil stabilized with sulphoaluminate cement
The warm and ice-rich frozen soil is characterized by high unfrozen water content, low shear strength and large compressibility, which is unreliable...
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Study on the evolution of the dielectric properties of artificially frozen sand under temperature variation
Detecting and determining the development of the frozen wall is a vital component of artificial freezing engineering. The electromagnetic parameters...
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Experimental and numerical interpretation on composite foundation consisting of soil-cement column within warm and ice-rich frozen soil
Affected by climate warming and anthropogenic disturbances, the thermo-mechanical stability of warm and ice-rich frozen ground along the...
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Trends in the frozen ground temperature on the Tibetan Plateau simulated by RegCM4.7-CLM4.5
The changing characteristics of the frozen ground are essential indicators of climate change. The soil temperature on the Tibetan Plateau (TP) during...
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Stabilized effects of L-S cement-mixed batter pile composite foundation for existed warm frozen soil subgrade
In permafrost regions with warm frozen soil, subgrade thaw-collapse phenomenon commonly occurs, facing thaw collapse problems of the existed frozen...
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Experimental research on microscopic and macroscopic damage evolution of artificial frozen sandy gravel
Artificial frozen sandy gravel exhibits the characteristics of wide distribution of particle size and complex composition, which are quite distinct...
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Phase Transitions in Saline Pore Water in Artificial Ground Freezing
AbstractThe influence of phase transitions in moist and salt-containing soil on freezing process is analyzed. The effects connected with the...
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A frozen soil sampling technique for granular soils and thermal modeling
This study uses a new sampling approach to allow undisturbed sampling without damaging the natural conditions of granular soils, thanks to the...
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Mercury in Frozen Quaternary Sediments of the Spitsbergen Archipelago
AbstractThe climate warming–related degradation of permafrost can lead to the entry of climatically and biologically active substances, including...
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Changes of timing and duration of the ground surface freeze on the Tibetan Plateau in the highly wetting period from 1998 to 2021
A dual cooling and warming effect of precipitation over the Tibetan Plateau (TP) on permafrost has been reported recently through numerical methods....
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Modeling Time-Dependent Uniaxial Compressive Behaviors of an Artificial Frozen Sandy Clay at Different Temperatures
Extensive experimental studies have demonstrated the time-dependent mechanical behaviors of frozen soil. Nonetheless, limited studies are focusing on...
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Heat Transfer Processes in Recovery of Permafrost Containing Frozen Processing Waste Backfill in Underground Mining
AbstractDescription of formation of a manmade backfill made of frozen briquettes using the cryoresource of the permafrost zone involves the phase...
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Experimental research on optimum freezing temperature of sandy gravels in artificial ground freezing
The control of freezing temperatures throughout the artificial ground freezing (AGF) process is always difficult. An overly high temperature of the...
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Auger and Rotary Dry Drilling in Frozen Soils
Auger drilling is carried out with a helical screw driven into the ground with rotation. The cuttings are lifted up the borehole by the blade of the...
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Thermal performance of cast-in-place piles with artificial ground freezing in permafrost regions
During the construction of cast-in-place piles in warm permafrost, the heat carried by concrete and the cement hydration reaction can cause strong...
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Freeze–thaw process of backfill in a dam and its driving factors in seasonally frozen soil area
Based on the field meteorological and ground temperature in the winter construction process of the world's third highest earth-core rockfill dam for...
