FREEZING-THAWING

作品数：39被引量：187H指数：7
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Change of pore water near the freezing front during soil freezing: Migration and mechanisms
《Pedosphere》2024年第4期770-782,共13页Yajun SHI Wei MA Lianhai ZHANG Chengsong YANG Fei SHANG Cheng CHEN 
supported by the Key Project of the Natural Science Foundation of China(No.41630636);the National Natural Science Foundation of China(No.41501072);the Independent Foundation of State Key Laboratory of Frozen Soil Engineering,China(No.SKLFSE-ZT-202107);the Natural Science Foundation of Gansu,China(No.22JR5RA057).
The formation and growth of segregation ice dominate the frost heave during soil freezing,which is closely related to water migration.To analyze segregation ice during soil freezing for different soils,a freezing-thaw...
关键词：freezing-thawing experiment frozen soil nuclear magnetic resonance phase transition segregation ice squeezing action unfrozen water water migration 
Change in Grain-Size Composition of Lignite under Cyclic Freezing-Thawing and Wetting-Drying
《Natural Resources》2024年第1期17-27,共11页Natalia S. Batugina Vladislav I. Fedorov 
The paper presents the change in grain-size composition of lignite under cyclic freezing-thawing (FTC) and wetting-drying (WDC). The article shows that in the spring and autumn periods the lignites can be subjected to...
关键词：LIGNITE Freezing-Thawing Cycle Wetting-Drying Cycle Grain Size Composition Dust Coal Storage Loss Quality 
Unconfined compressive strength of MICP and EICP treated sands subjected to cycles of wetting-drying,freezing-thawing and elevated temperature:Experimental and EPR modelling被引量：7
《Journal of Rock Mechanics and Geotechnical Engineering》2023年第5期1226-1247,共22页Isaac Ahenkorah Mizanur Rahman Rajibul Karim Simon Beecham 
Microbial-induced carbonate precipitation(MICP)and enzyme-induced carbonate precipitation(EICP)are two bio-cementation techniques,which are relatively new methods of ground improvement.While both techniques share some...
关键词：Bio-cementation Enzyme-induced carbonate precipitation (EICP) Microbial-induced carbonate precipitation (MICP) Calcium carbonate Urease enzyme 
Fabrication of Baking-Free Bricks Using Gold Tailings and Cemented Materials with Low Alkalinity
《Journal of Renewable Materials》2022年第11期3041-3058,共18页Jiamao Li Tao Si Lin Li Chuangang Fan Zhaofang He Yuandi Qian 
the Key Research and Development Program of Anhui Province(No.202004a07020039).
The purpose of this paper was using gold mine tailings and cemented materials with low alkalinity to fabricate baking-free bricks.The obtained baking-free brick samples were evaluated by unconfined compressive strengt...
关键词：Baking-free brick low alkali cementitious binder solid waste utilization compressive strength FREEZING-THAWING drying-wetting 
Thermodynamic transport mechanism of water freezing-thawing in the vadose zone in the alpine meadow of the Tibet Plateau被引量：1
《Journal of Groundwater Science and Engineering》2022年第3期302-310,共9页Gang Qiao Feng-dan Yu Wen-ke Wang Jun Zhang Hua-qing Chen 
Science Foundation of China(41877199);the Key Research and Development Program of Shaanxi Province(2021ZDLSF05-01);the Key Scientific and Technological Innovation Team of Groundwater Hydrological Process and Supergene Ecology in Arid Regions of Shaanxi Province(2019TD-040);the Key Research and Development Program of Shaanxi(2022SF-327);the Science and Technology Program of Inner Mongolia Autonomous Region(2021GG0198);the Project of China Geological Survey(1212011220224,DD20221751,DD20211393,DD20190504).
High altitude,cold and dry climate,strong solar radiation,and high evapotranspiration intensity have created an extremely fragile ecological and geological environment on the Tibet Plateau.Since the heat in the vadose...
关键词：Freeze-thaw action THERMODYNAMIC EVAPOTRANSPIRATION Moisture in the vadose zone Tibet plateau 
Experimental study of coal fracture dynamics under the influence of cyclic freezing-thawing using shear elastic waves被引量：3
《International Journal of Coal Science & Technology》2021年第4期562-574,共13页Petr V.Nikolenko Svetlana A.Epshtein Vladimir L.Shkuratnik Polina S.Anufrenkova 
Russian Foundation for Basic Research,grant number 18-05-70002.
Cyclic freezing-thawing can lead to fracture development in coal,affecting its mechanical and consumer properties.To study crack formations in coal,an ultrasonic sounding method using shear polarized waves was propose...
关键词：COAL Cyclic freezing-thawing ULTRASONIC Shear wave Fracture dynamics 
Seasonal freezing-thawing process and hydrothermal characteristics of soil on the Loess Plateau, China被引量：4
《Journal of Mountain Science》2021年第11期3082-3098,共17页CHOU Ya-ling WANG Li-jie 
This study was funded by the National Natural Science Foundation of China(grant number 51769013);the Basic Research Innovation Group of Gansu Province(20JR5RA478).
In seasonally frozen soil regions,freezing-thawing action and hydrothermal effect have strong influence on physical and mechanical behavior of shallow soil.A field experiment on the Loess Plateau in Northwest China wa...
关键词：Seasonally frozen soil Freezing-thawing process Hydrothermal characteristics Loess Plateau 
Coupling effect of pond ash and polypropylene fiber on strength and durability of expansive soil subgrades:An integrated experimental and machine learning approach被引量：3
《Journal of Rock Mechanics and Geotechnical Engineering》2021年第5期1101-1112,共12页Nitin Tiwari Neelima Satyam 
This study explores the coupling effect of pond ash(PA)and polypropylene(PP)fiber to control the strength and durability of expansive soil.The PA is used to chemically treat the expansive soil and PP fiber is adopted ...
关键词：Expansive soil subgrades Waste utilization Freezing-thawing(F-T) Microstructural assessment Pond ash(PA) Polypropylene(PP)fiber 
Mechanical performances and microstructural characteristics of reactive MgO-carbonated silt subjected to freezing-thawing cycles被引量：7
《Journal of Rock Mechanics and Geotechnical Engineering》2021年第4期875-884,共10页Guanghua Cai Songyu Liu Guangyin Du Zhen Chen Xu Zheng Jiangshan Li 
the support of the National Natural Science Foundation of China(Grant Nos.41902286 and 41972269);Open Research Fund of State Key Laboratory of Geomechanics and Geotechnical Engineering,Institute of Rock and Soil Mechanics,Chinese Academy of Sciences(Grant No.Z019026)。
The characteristics of reactive magnesia(MgO)-carbonated silt in respect to long-term stability have not been well understood in severely cold climate despite the usage of reactive MgO in enhancing the engineering per...
关键词：Reactive magnesia(MgO) Freezing-thawing(F-T)cycle Carbonated/stabilized silt Engineering performance Microstructural characteristics 
Experimental research on the development of residual strain in seasonal frozen soil under freezing-thawing and impact type traffic loads被引量：2
《Earthquake Engineering and Engineering Vibration》2021年第2期335-345,共11页Liu Tianhua Wang Miao 
Fundamental Research Foundation for Universities of Heilongjiang Province under Grant No.2018-KYYWF-1651;Natural Science Foundation of Heilongjiang Province under Grant Nos.ZD2019E009 and E2016045;Scientific Research Fund of Institute of Engineering Mechanics,China Earthquake Administration under Grant Nos.2018D12 and 2019D16;National Natural Science Foundation of China under Grant No.51378164。
Vehicle load is among the main factors affecting the deformation of subgrade soil.In this research study,the concept of impact type traffic load is introduced to investigate the effects of vehicle load based on the dy...
关键词：impact type traffic load FREEZING-THAWING dynamic triaxial test loading sequence residual strain 
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