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SOILS: 作品数：936被引量：3380H指数：24; 导出分析报告; 相关领域：农业科学更多>>; 相关作者：胡兰杨刚贺红早贡家芳王莹更多>>; 相关机构：安徽省地质实验研究所中国农业大学中国科学院西北农林科技大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划国家科技支撑计划更多>>

Thermal-hydro-mechanical coupled analysis of unsaturated frostsusceptible soils: 《Research in Cold and Arid Regions》2022年第4期223-234,共12页YuWei Wu Tatsuya Ishikawa; This research was supported in part by Grant-in-Aids for Scientific Research(A,16H02360)and(B,17H03307)from the Japan Society for the Promotion of Science(JSPS)KAKENHI.; Damage caused by frost heave leads to costly maintenance in cold regions, like Hokkaido, Japan. Therefore, thestudy of the frost mechanism with experimental and numerical methods has been of great interest. Numerousmo...; 关键词：Frost heave Unsaturated soil Thermal-hydro-mechanical(THM)coupled model Finite element method(FEM)

Stabilizing subgrades of transport structures by injecting solidifying solutions in cold regions: 《Research in Cold and Arid Regions》2021年第5期357-365,共9页P.O.Lomov A.L.Lanis D.A.Razuvaev M.G.Kavardakov; Transport structures built throughout the period from 1960 to 1980 in permafrost regions based on the principle of permafrost preservation are subject to deformations.In many cases,the reason is a gradual change in te...; 关键词：reinforcement of soils injection of solidifying solution strengthening of pier footing soils geotechnical model bridge abutments deformations plastic frozen soil permafrost degradation

Frost susceptibility of soils——A confusing concept that can misguide geotechnical design in cold regions被引量：1: 《Research in Cold and Arid Regions》2021年第2期87-94,共8页DaiChao Sheng; Frost susceptibility is a concept widely used in cold region geotechnical design, to quantify the capacity of a soil in generating frost heave and frost damage. The laboratory test used to verify frost susceptibility ...; 关键词：frost susceptibility frost heave thaw weakening high-speed rail

Culturable bacterial diversity in hypolithic and peripheral soils in the west of the Hexi Corridor desert and its influencing factors: 《Research in Cold and Arid Regions》2020年第1期47-58,共12页LiFang He ShiWeng Li GaoSen Zhang XiuKun Wu BingLin Zhang Wei Zhang; financially supported by the National Natural Science Foundation of China(31870479,31570498,and 41801045);the Key Foreign Cooperation Projects of the Bureau of International Cooperation of Chinese Academy of Sciences(131B62KYSB20160014); Microbes inhabiting the desert respond sensitively to environmental changes and may be an indicator for changes in the desert ecosystem.Hypolithic microbial communities in the desert play a vital role in ecosystem pro...; 关键词：Hexi Corridor desert hypolithic and peripheral soils culturable bacteria DIVERSITY

Wave propagation characteristics in frozen saturated soil: 《Research in Cold and Arid Regions》2018年第2期95-103,共9页ChengCheng Du DongQing Li Feng Ming YuHang Liu XiangYang Shi; supported by the National Natural Science Foundation of China(No.41271080 and No.41701060);the funding of the State Key Laboratory of Frozen Soil Engineering(No.SKLFSE-ZT-17); Ultrasonic detection technology is of great significance in the detection and evaluation of physical and mechanical properties of frozen soil, but wave propagation characteristics in frozen soil are unclear. Based on ...; 关键词：FROZEN saturated SOILS EXCITATION frequency SATURATION wave EQUATIONS propagation characteristics

Cracking in an expansive soil under freeze–thaw cycles被引量：4: 《Research in Cold and Arid Regions》2017年第4期392-397,共6页Yang Lu SiHong Liu; supported by "the Fundamental Research Funds for the Central Universities" (Grant No. 2015B25014);"the Practical Innovation Program for Postgraduate Students of Jiangsu Province, China" (Grant No. SJZZ15_0058);funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) (Grant No. 3014–SYS1401);the organizing committee of "XI International Symposium on Permafrost Engineering (Magadan, Russia, Sept. 5-8, 2017)" for giving the opportunity to exchange this study; Expansive soils located in cold regions can easily endure the action of frost heaving and cyclic freezing–thawing. Cracking can also occur in expansive clayey soils under freeze–thaw cycles, of which little attentio...; 关键词：expansive SOILS cracks freeze–thaw cycles fractals CAPILLARY EXPANSION ABSORPTION

Strengthening long-term embankments maintained on permafrost soils: 《Research in Cold and Arid Regions》2017年第3期317-320,共4页Evgeny S.Ashpiz Tatyana S.Vavrinyuk; An analysis of the reasons for the displacements of long-term embankments maintained on permafrost soils indicates that they mainly occur due to plastic deformations in the layer of seasonal freezing and thawing;there...; 关键词：EMBANKMENT PERMAFROST roadbeds temperature FORECAST STRESS-STRAIN state jet technology

Study on the freezing–thawing deformation of consolidated soils under high pressure: 《Research in Cold and Arid Regions》2017年第1期29-37,共9页DaYan Wang Wei Ma lele lei; supported by a grant from the National Natural Science Foundation of China(No.41671069,No.41630636);Foundation of the State Key Laboratory of Frozen Soil Engineering(SKLFSE-ZT-31); The freezing-thawing deformation behaviors of consolidated soils under high pressure have been investigated in a high-pressure-low-temperature （HPLT） Kq consolidation apparatus with a small strain sensor. The tests...; 关键词：freezing-thawing deformation artificial ground freezing K0 consolidation high pressure

Cyclic behavior of soils and numerical analyses in cold regions and seismic zones: 《Research in Cold and Arid Regions》2015年第5期492-502,共11页Tadatsugu Tanaka; supported by Japanese Ministry of Agriculture,Forestry and Fisheries; The solutions of boundary value problems involving strain-softening material property contain serious difficulties from both modeling of strain-localization and a viewpoint of numerical procedure. Mesh size-dependent ...; 关键词：strain softening shear band kinematic hardening endochronic theory

Analysis of temperature field characteristics based on subgrade site measurements of Harbin-Qiqihar High-speed Railway in a deep seasonal frozen soil region被引量：9: 《Research in Cold and Arid Regions》2015年第5期547-553,共7页ZuRun Yue BoWen Tai TieCheng Sun; supported by the scientific research test of China Railway Corporation(Z2013-038);the National Natural Science Foundation of China(Nos.51208320 and 51178281);the Key Subject of China Railway Corporation(Nos.2014G003-F and 2014G005); Recent years have seen a large number of high-speed railways built and will be built in seasonal frozen soil regions ot China. Although high-speed railways are characterized by being fast, comfortable and safe, higher...; 关键词：temperature field deep seasonal permafrost soils railways SUBGRADE

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