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The Key Technology for Building Bridges in Perennially Frozen Earth Area During Constructing Qinghai

Chen Peng

Strategic Study of CAE 2005, Volume 7, Issue 7,   Pages 27-33

Abstract: technologies in constructing Qinghai-Tibet railway project,which includes ： bored pile building technology in perenniallyfrozen earth area, concrete construction schemes under frosty conditions with big difference in temperature

Keywords： perennially frozen earth     bored pile     perdurable concrete     crack of concrete    

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Research progress of the frozen wall thickness in deep alluvium

Shen Wei’an,Wang Jianzhou

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 89-93

Abstract: application, with the thickness increasing of deep alluvium for the freezing shaft-sinking engineering, the frozenIn this paper, frozen wall thickness design theory of the present research situation and the existingThe radial creep displacement of heterogeneous frozen wall will reduce 25 % ~ 30 % when the homogeneousfrozen wall, so the bearing capacity and deformation performance of frozen wall can befully used andthe thickness of frozen wall can be reduced efficiently.

Keywords： frozen wall     deep alluvium     radial delimitation model     viscoelastic    

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Advancements in non-starch polysaccharides research for frozen foods and microencapsulation of probiotics

Pavan Kumar SOMA, Patrick D. WILLIAMS, Y. Martin LO,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 413-426 doi: 10.1007/s11705-009-0254-x

Abstract: agents, non-starch polysaccharides such as xanthan gum are known to improve the texture of certain frozenof critical tools is also carefully examined with respect to the attainable information crucial to frozen

Keywords： development     literature     attainable information     biopolymer     capable    

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Assessment of future climate change impacts on water-heat-salt migration in unsaturated frozen soil using

Hanli Wan, Jianmin Bian, Han Zhang, Yihan Li

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1302-5

Abstract: Abstract • A model coupling water-heat-salt of unsaturated frozen soil was established. • Future temperatureThe transport mechanisms of water, heat, and salt in unsaturated frozen soil, as well as its responseThe water, heat, and salt dynamics of unsaturated frozen soil under three representative concentrationpathway (RCP) scenarios were simulated to analyze the effects of future climate change on unsaturated frozenEffective measures should be taken to prevent the salinization of unsaturated frozen soils and address

Keywords： Soil salinization     Climate change     Unsaturated frozen soil     Water-heat-salt balance     Soil environment change    

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Effect of earth reinforcement, soil properties and wall properties on bridge MSE walls

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1209-1221 doi: 10.1007/s11709-021-0764-2

Abstract: Mechanically stabilized earth (MSE) retaining walls are popular for highway bridge structures.They have precast concrete panels attached to earth reinforcement.The effects of pore pressure, soil cohesion, earth reinforcement type and length, breakage/slippage of

Keywords： mechanically stabilized earth walls     precast concrete panels     backfill soil     finite element modeling     earth reinforcement    

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Numerical analysis of nonlinear dynamic behavior of earth dams

Babak EBRAHIMIAN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 24-40 doi: 10.1007/s11709-010-0082-6

Abstract: A numerical study is conducted to investigate the dynamic behavior of earth dams.For the latter, the Long Valley (LV) earth dam subjected to the 1980 Mammoth Lake earthquake as a realsoil behavior, strength of the shell materials and dam reservoir condition on the dynamic response of earth

Keywords： earth dam     numerical     nonlinear response     dynamic analysis     earthquake     dam height    

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Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0676-4

Abstract: decision-making approach for the deviation correction trajectory and posture rectification load for an earth

Keywords： additional position change     deviation correction trajectory     earth pressure balance shield     mechanical    

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Soil spatial variability impact on the behavior of a reinforced earth wall

Adam HAMROUNI, Daniel DIAS, Badreddine SBARTAI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 518-531 doi: 10.1007/s11709-020-0611-x

Abstract: This article presents the soil spatial variability effect on the performance of a reinforced earth wall

Keywords： reinforced earth wall     geosynthetic     random field     spatial variability     Monte Carlo simulation    

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Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1480-1493 doi: 10.1007/s11709-021-0776-y

Abstract: This paper proposes a general analytical method to evaluate the seismic active earth pressure on a retainingthe following steps: i) determination of the total head, ii) upper bound solution of seismic active earththrust, and iii) deduction for the earth pressure distribution.>x,z) relies on the Fourier series expansions, and the expressions of the seismic active earthstudies reveal that insufficient drainage and earthquakes are crucial factors that cause unfavorable earth

Keywords： seismic active earth pressure     partial seepage flow     pore pressure     anisotropy     upper bound theorem    

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Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1584-1594 doi: 10.1007/s11705-022-2189-4

Abstract: The separation of rare earth elements is particularly difficult due to their similar physicochemicalHerein, a novel method based on the large ionic magnetic moment differences of rare earth elements wasquasi-liquid system strategy provides a possibility of the novel, green, and efficient method for rare earth

Keywords： rare earth element     different magnetic moment     magnetic separation     ionic liquid    

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Digital Earth Model of Multiple Scales and Its Application in Virtulizing Earth

Li Boheng

Strategic Study of CAE 2000, Volume 2, Issue 4,   Pages 12-15

Abstract:

The digital earth model is composed of three parts： digital frame model, digital elevation model,and digital earth-unit model.The question of building virtual earth in science mainly includes two sections： building the digitalearth model and applying and developing modeling information effectively.The five characteristics of virtual earth and the key technologies for building digital earth model are

Keywords： digial earth     virtual earth     information    

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Migration of ammonium nitrogen in ion-absorbed rare earth soils during and post mining: a column study

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1702-4

Abstract:

● Column experiments with an inclined slope were applied to simulate NH4–N transport.

Keywords： Ion-absorbed rare earth     Ammonium nitrogen transport     HYDRUS-2D     Numerical simulation    

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Experimental study on the stratum applicability and mechanisms of bubble–slurry for earth pressure balance

Frontiers of Structural and Civil Engineering   Pages 1387-1399 doi: 10.1007/s11709-023-0005-y

Abstract: Soil conditioning is essential for addressing the stratum applicability problem of earth pressure balance

Keywords： EPB shield     bubble–slurry     soil conditioning     stability     permeability    

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Field testing of geosynthetic-reinforced and column-supported earth platforms constructed on soft soil

Qiangong CHENG,Jiujiang WU,Dongxue ZHANG,Fengping MA

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 124-139 doi: 10.1007/s11709-014-0255-9

Abstract: This paper is focused on the behavior of geosynthetic-reinforced and column-supported (GRCS) earth platformsthe data of a 15-month long field monitoring project, the bearing behavior and effectiveness of GRCS earth

Keywords： geosynthetic-reinforced and column-supported (GRCS) earth platforms     soft soil     bearing behavior     settlement    

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The Engineering Characteristics and Design of the Crushed Stones and Earth as Impervious Material for

Wang Shougen

Strategic Study of CAE 2004, Volume 6, Issue 7,   Pages 88-93

Abstract: Hydropower Project is 123m high, in which it is the first time for the spreading gradation crushed stone-earthto be adopted as the impervious material for so high an earth — rock dam in China.Second, the representative earth sample is selected to verify if the control standard is reasonable by

Keywords： Qiaoqi Hydropower Project     spreading gradation crushed stones and earth     impervious material     engineeringcharacteristics     rolling experiment     design for earth gradation    

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Title Author Date Type Operation

The Key Technology for Building Bridges in Perennially Frozen Earth Area During Constructing Qinghai

Chen Peng

Journal Article

Research progress of the frozen wall thickness in deep alluvium

Shen Wei’an,Wang Jianzhou

Journal Article

Advancements in non-starch polysaccharides research for frozen foods and microencapsulation of probiotics

Pavan Kumar SOMA, Patrick D. WILLIAMS, Y. Martin LO,

Journal Article

Assessment of future climate change impacts on water-heat-salt migration in unsaturated frozen soil using

Hanli Wan, Jianmin Bian, Han Zhang, Yihan Li

Journal Article

Effect of earth reinforcement, soil properties and wall properties on bridge MSE walls

Journal Article

Numerical analysis of nonlinear dynamic behavior of earth dams

Babak EBRAHIMIAN

Journal Article

Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Journal Article

Soil spatial variability impact on the behavior of a reinforced earth wall

Adam HAMROUNI, Daniel DIAS, Badreddine SBARTAI

Journal Article

Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Journal Article

Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Journal Article

Digital Earth Model of Multiple Scales and Its Application in Virtulizing Earth

Li Boheng

Journal Article

Migration of ammonium nitrogen in ion-absorbed rare earth soils during and post mining: a column study

Journal Article

Experimental study on the stratum applicability and mechanisms of bubble–slurry for earth pressure balance

Journal Article

Field testing of geosynthetic-reinforced and column-supported earth platforms constructed on soft soil

Qiangong CHENG,Jiujiang WU,Dongxue ZHANG,Fengping MA

Journal Article

The Engineering Characteristics and Design of the Crushed Stones and Earth as Impervious Material for

Wang Shougen

Journal Article