Results 1 to 10 of about 1,830,996 (296)

Stability of the Foundation of Buried Energy Pipeline in Permafrost Region

Geofluids, 2021
During operation, a buried pipeline is threatened by a variety of geological hazards, particularly in permafrost regions, where freezing-thawing disasters have a significant influence on the integrity and safety of the buried pipelines. The topographical
Yan Li, Huijun Jin, Zhi Wen, Xinze Li, Qi Zhang   +4 more
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Mechanical Behavior of Cracked Rock in Cold Region Subjected to Step Cyclic Loading

Geofluids, 2022
In order to analyze the mechanical behavior of cracked rock in cold region subjected to cyclic loading, step cyclic loading and unloading (SCLU) triaxial tests with different stress paths have been designed.
Liang Zhang, Fujun Niu, Minghao Liu, Jing Luo, Xin Ju   +4 more
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Experimental Study on the Rheology and Cryo-Mechanism of Pile-Frozen Soil Interface

Geofluids, 2022
The rheological behavior of a pile-frozen soil interface can accelerate pile settlement in pile foundation engineering and deteriorate the bearing capacity of the pile in cold regions. This is the core basis for guiding the design of pile engineering and
Qiang Gao, Zhi Wen, Zhiwei Zhou, Wei Ma, Anatoli Brouchkov, Rui Shi, Yasheng Li   +6 more
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Discussion on pile axial load test methods and their applicability in cold regions

Research in Cold and Arid Regions, 2022
The measurement of pile axial load is of great significance to determining pile foundation design parameters such as skin friction and end bearing capacity and analyzing load transfer mechanisms.
JiaWei Gao, Ji Chen, Xin Hou, QiHang Mei, YongHeng Liu   +4 more
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Analysis of Necessity and Feasibility for Ground Improvement in Warm and Ice-Rich Permafrost Regions

Advances in Civil Engineering, 2022
Characterized by low bearing capacity and high compressibility, warm and ice-rich frozen soil is a kind of problematic soil, which makes the original frozen ground formed by of that unreliable to meet the stability requirements of engineering ...
Honglei Wang, Hu Zhang, Mingtang Chai, Jianming Zhang, Zhizhong Sun, Guoyu Li   +5 more
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Ground Surface Freezing and Thawing Index Distribution in the Qinghai-Tibet Engineering Corridor and Factors Analysis Based on GeoDetector Technique

Remote Sensing, 2022
The land surface temperature obtained from remote sensing was widely used in the simulation of permafrost mapping instead of air temperature with the rapid development of remote sensing technology. The land surface freezing and thawing index (LFI and LTI)
Shen Ma, Jingyi Zhao, Ji Chen, Shouhong Zhang, Tianchun Dong, Qihang Mei, Xin Hou, Guojun Liu   +7 more
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Study on the Strength and Yield Behaviors of Modified Silty Clay

Geofluids, 2022
To study the strength and yield behaviors of the modified soil, a series of triaxial compression tests were carried out for modified silty clay with different contents of red Pisha sandstone and carbide slag, respectively.
Yuhang Liu, Ruiqiang Bai, Dongqing Li
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Field Investigation on Thermal Regime of Permafrost and Talik in a River Terrace, the Interior of Qinghai-Tibet Plateau

Geofluids, 2022
To carry out engineering construction in a permafrost area, it is of great importance to grasp the spatial distribution of permafrost and its hydrothermal characteristics within the scope of engineering activities. Compared with the continuous permafrost
Yunzhi Zhang, Furong Liu, Xingbing Wang, Pengfei He, Jinggang Cui, Yishan Wang, Yanhu Mu   +6 more
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Influence of Dynamic Load on Soil Moisture Field in the Process of Freeze-Thaw Cycles

Advances in Materials Science and Engineering, 2021
Due to climate warming and large-scale engineering activities, the embankment engineering risk in the permafrost and seasonally frozen regions caused by water content change in the soil has become more and more serious.
Yongting Huang, Wei Ma, Donghui Xiao, Yuezhen Xu   +3 more
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Field observation of the thermal disturbance and freezeback processes of cast-in-place pile foundations in warm permafrost regions

Research in Cold and Arid Regions, 2023
The bearing capacity of pile foundations is affected by the temperature of the frozen soil around pile foundations. The construction process and the hydration heat of cast-in-place (CIP) pile foundations affect the thermal stability of permafrost.
Xin Hou, Ji Chen, YouQian Liu, PengFei Rui, JingYi Zhao, ShouHong Zhang, HaiMing Dang   +6 more
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