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    CNKI为你找到相关结果

    Processes and mechanisms of multi-collapse of loess ro...  CNKI文献

    Usually, the collapsible loess widely distributed across the world can serve as a type of foundation soil that meets its strength requirement after dense compaction and elimination of collapsibility....

    GuoYu Li Wei Ma... 《Sciences in Cold and Arid Regions》 2015年04期 期刊

    关键词: mechanics / of / loess / loess

    下载(39)| 被引(3)

    Analysis of permanent deformations of railway embankme...  CNKI文献

    By large-scale dynamic tests carried out on a traditional sand-gravel embankment at the Beilu River section along the Qinghai-Tibet Railroad, we collected the acceleration waveforms close to the rail...

    Wei Ma Tuo Chen 《Sciences in Cold and Arid Regions》 2015年06期 期刊

    关键词: vehicle / load / permanent / deformation

    下载(36)| 被引(1)

    Status and prospects of frozen soil studies using CT t...  CNKI文献

    This paper introduces the characteristics of Computed Tomography(CT)technology and reviews its history,current situation,representative achievements,and use of using CT technology on frozen soil stud...

    ShiJie Chen ShuPing Zhao... 《Sciences in Cold and Arid Regions》 2014年02期 期刊

    关键词: CT / technology / frozen / soil

    下载(48)| 被引(1)

    Deformation monitoring and analysis at two frost mound...  CNKI文献

    This paper presents various deformation-monitoring technologies employed to monitor the frost heave and thaw settlement of two mounds along the Qinghai–Tibet Engineering Corridor(QTEC), China. The Q...

    LiHui Luo Wei Ma... 《Sciences in Cold and Arid Regions》 2017年04期 期刊

    关键词: frost / mound / thaw / settlement

    下载(14)| 被引(0)

    Analysis and discussion of different methods of artifi...  CNKI文献

    Because ice-high foundation soil is widely distributed in permafrost regions,the correct preparation of ice-high specimens is of critical interest in engineering design for foundation stability.Past ...

    ShuJuan Zhang Wei Ma... 《Sciences in Cold and Arid Regions》 2014年05期 期刊

    关键词: ice-high / specimen / artificial / preparation

    下载(20)| 被引(1)

    Analysis and discussion of different methods of artifi...  CNKI文献

    Because ice-high foundation soil is widely distributed in permafrost regions,the correct preparation of ice-high specimens is of critical interest in engineering design for foundation stability.Past ...

    ShuJuan Zhang Wei Ma... Sciences in Cold and Arid Regions Volume 6 Issue 5--The... 2014-08-22 国际会议

    关键词: ice-high / specimen / artificial / preparation

    下载(3)| 被引(0)

    Methodology of study on freeze-thaw cycling induced ch...  CNKI文献

    Freeze-thaw action is an important topic in cold regions engineering,which results in moisture and solute migration and re-distribution,thus changes in physical and mechanical properties.On the basis...

    Wei MA Lili FANG... Proceedings of the IX International Symposium on Permaf... 2011-09-03 国际会议

    关键词: review / freeze-thaw / cycles / engineering

    下载(4)| 被引(0)

    Radiation effect analysis of the awning measure on the...  CNKI文献

    Because the higher elevation and better atmospheric transparency,the Qinghai-Tibet plateau have stronger radiation than other regions,which can make the ground surface temperature daily variation cha...

    Wenjie FENG Wei MA... Proceedings of the IX International Symposium on Permaf... 2011-09-03 国际会议

    关键词: cold / regions / embankment / shading

    下载(1)| 被引(0)

    The impact of freeze-thaw cycles on the dynamic charac...  CNKI文献

    Based on the test result of Qinghai-Tibet clay before and after freeze-thaw cycles under long-time cyclic dynamic loading,following conclusion can be drawn.The change rule of the accumulative strain ...

    Shu-ping ZHAO Wei MA... Proceedings of the IX International Symposium on Permaf... 2011-09-03 国际会议

    关键词: freeze-thaw / cycles / long-time / cyclic

    下载(1)| 被引(0)

    Experimental Study on Solute Transport During Soil Fre...  CNKI文献

    With the development and utilization of cold regions with high latitude or high elevation,some special engineering problem appeared.For example,structure damage by frost heave;ground and road subside...

    Xiao-fei Chen Wei Ma... Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: Experimental / Study / on / Solute

    下载(4)| 被引(0)

    Mechanical properties of Qinghai-Tibet clay subjected ...  CNKI文献

    A prerequisite for the pavement design,stability analysis and calculation is the availability of mechanical characteristic of subgrade soils.It is widely proved,however,that such factors as soil stru...

    Da-yan Wang Wei Ma... Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: freeze-thaw / cycle / failure / strength

    下载(6)| 被引(0)

    Study on the Formation and Mechanisms of High Subgrade...  CNKI文献

    Since paving the black colored road surface in 1973,the subgrade diseases,the majority of these is thaw settlement,in permafrost region are always chronic and stubborn disease,and have a long resista...

    Jian-bing Chen Shuang-jie Wang... Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: Qinghai-Tibet / highway / High / subgrade

    下载(8)| 被引(0)

    Study on the Thermal Regime of Frozen Ground after Con...  CNKI文献

    The results obtained from 2 typical sites of pile test alone Qinghai-Tibet Highway in permafrost regions indicate that the thermal regime and the refreezing process of frozen soil around the large-di...

    Xi-zhong Yuan Wei Ma Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: Study / on / the / Thermal

    下载(7)| 被引(0)

    Strength Behavior and Unfrozen Water Content of Saline...  CNKI文献

    The influence of soil type,initial water content,temperature,strain rate and salinity on strength of three different fine-grained saline frozen soil under conditions of unconfined constant strain rat...

    Xi-zhong Yuan Yuan-lin Zhu... Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: frozen / fine-grained / soil / saline

    下载(5)| 被引(0)

    Analysis of Cooling Effect for Block-Stone Embankment ...  CNKI文献

    Block-stone embankment is one of techniques for protecting permafrost of Qinghai-Xizang Railway,and has been used in about 60% of the sections overlying warm permafrost with high ice content.In order...

    Qingbai Wu Zijian Lu... Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: Qinghai-Xizang / Railway / Block / stone

    下载(2)| 被引(0)

    Permafrost Thaw Settlement and Embankment Stability  CNKI文献

    Permafrost degradation resulting from climatic warming or regional warming has been observed in areas from Arctic to Qingzang plateau,and from cold to warm permafrost in the past decades.One of the m...

    Ruijie Chen Wei Ma Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: permafrost / thaw / settlement / embankment

    下载(1)| 被引(0)

    Investigation of the Awning Effect on the Roadbed Slop...  CNKI文献

    With the wanning of the globe is coming,all kinds of active protecting permafrost methods were accepted,and the awning protecting the embankment slope is one of them,also was adopted at the Qinghai-T...

    Wen-jie Feng Yu Sheng... Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: high-temperature / permafrost / awning / Qing-Kang

    下载(2)| 被引(0)

    Experimental research on thermal conductivity of undis...  CNKI文献

    Thermal conductivity is an important parameter for engineering design to estimate thermal regime of permafrost regions.Using a thermophysical instrument,the thermal conductivity of undisturbed frozen...

    Zhi Wen Yu Sheng... Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: Permafrost / Beiluhe / Qinghai-Tibetan / plateau

    下载(3)| 被引(0)

    Analyses of Temperature Fields under the Air Convectiv...  CNKI文献

    On the base of in situ monitoring of the air convective embankment of the crushed rocks structures(included the crushed rocks embankment,the embankment of crushed rock slope protection and the crushe...

    Wei Ma Guang-li Feng... Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: Qinghai-Xizang / Railway / the / air

    下载(1)| 被引(0)

    In-situ study on cooling effect of two-phase closed th...  CNKI文献

    In 2003,a new testing roadbed—two-phase closed thermosyphon & insulation combinational roadbed was built in Beiluhe region,which lies in the hinterland of Qinghai-Tibet plateau.By analyzing the ...

    Junjie Wu Wei Ma Abstracts of Asian Conference on Permafrost 2006-08-07 国际会议

    关键词: permafrost / two-phase / closed / thermosyphon

    下载(1)| 被引(0)

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