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HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE LOESS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 501-511 doi: 10.15302/J-FASE-2021425

Abstract:

The Loess Plateau is the core area in the Yellow River basin for implementing environmental protectionecological projects has implemented aimed at soil and water conservation and ecological management on the Loess

Keywords： management     high quality development     industrial structure     soil erosion     soil and water conservation     Loess    

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Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 54-63

Abstract: construction under crossing the existed south Tongpu Railway with a small included angle at Gaoqiao tunnelcharacteristics and key construction techniques of the double-layer support system of large-section loessIt successfully resolved the construction difficulties of super-large-section tunnel (171m2

Keywords： large-section loess tunnel     benching method     double-layer support     under crossing    

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Key Techniques for the Construction of High-Speed Railway Large-Section Loess Tunnels Article

Yong Zhao, Huawu He, Pengfei Li

Engineering 2018, Volume 4, Issue 2,   Pages 254-259 doi: 10.1016/j.eng.2017.07.003

Abstract: high-speed railway project has greatly improved the construction level of China’s large-section loessDuring tunnel excavation disturbance, if the tensile stress exceeds the soil tensile or shear strengthThe pressure of the surrounding rock of a large-section loess tunnel should be calculated according totunnel, following a field test to optimize the construction parameters and determine the engineeringmeasures to stabilize the tunnel face.

Keywords： Loess tunnel     Surrounding rock classification     Surface cracking     Design load     Three-bench seven-step excavation    

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Analysis of mechanical behaviors of big pipe-roof for shallow buried large-span tunnel

Li Jian,Tan Zhongsheng,Yu Yu,Ni Lusu

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 92-96

Abstract: text-align: justify;">A series of research on mechanical behaviors of big pipe-roof in shallow large-span loesstunnel was made on Wenxiang Tunnel in Zhengzhou-Xi'an Special Passenger Railway.The force-deformation law of big pipe roof in loess tunnel was obtained: in front of the excavating face

Keywords： shallow burying mining     undercrossing construction     loess tunnel     pipe-roof     deformation monitoring    

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Transforming the Loess Plateau of China

Yuheng LI,Guoming DU,Yansui LIU

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 181-185 doi: 10.15302/J-FASE-2016110

Abstract: This paper aims to show the importance of land consolidation in transforming the Loess Plateau of ChinaGreen Project and Gully Land Consolidation Project jointly transformed the ecology and landscape of the Loess

Keywords： China     critical zone     land consolidation     Loess Plateau     sustainability    

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Exemplary project of green cave dwellings in Loess Plateau

Jiaping LIU, Xinrong ZHU, Liu YANG, Rongrong HU,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 122-130 doi: 10.1007/s11708-010-0005-1

Abstract: Focusing on the energy conservation of cave dwellings in the Loess Plateau, this paper aims to create

Keywords： new cave dwellings     green buildings     the Loess Plateau     energy efficiency    

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TRANSFORMATION OF AGRICULTURE ON THE LOESS PLATEAU OF CHINA TOWARD GREEN DEVELOPMENT

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 491-500 doi: 10.15302/J-FASE-2021428

Abstract:

Loess Plateau of China is a typical dryland agricultural area.

Keywords： agronomic technologies     economic returns     education     environmental cost     food production     government policy    

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Stability analysis of a high loess slope reinforced by the combination system of soil nails and stabilization

Jiu-jiang WU,Qian-gong CHENG,Xin LIANG,Jian-Lei CAO

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 252-259 doi: 10.1007/s11709-014-0260-z

Abstract: techniques for deep foundation pit and normal slopes, few related engineering cases are found for high loessBy utilizing the finite element software of PLAXIS 8.5, the behavior of a high loess slope reinforcedmeasure of reducing the weight of the top of the slope is a positive factor to the stability of the loess

Keywords： high loess slope     CSNSP     PLAXIS     phi/c strength reduction method     Sweden circular slip surface    

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framework of sediment trapped by check-dam networks: A case study of a typical watershed on the chinese loess Article

Pengcheng Sun, Yiping Wu

Engineering 2023, Volume 27, Issue 8,   Pages 209-221 doi: 10.1016/j.eng.2021.12.015

Abstract: We then applied this framework to a typical Loess watershed, the Yan River Basin, to assess the time-varying

Keywords： Check dams     Dynamic check dam (DCDam)     Loess Plateau     Sediment trapping     SWAT    

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Effects of alfalfa coverage on runoff, erosion and hydraulic characteristics of overland flow on loess

Shufang WU, Pute WU, Hao FENG, G. P. Merkley

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 76-83 doi: 10.1007/s11783-011-0282-x

Abstract: An evaluation of the interactions between vegetation, overland and soil erosion can provide valuable insight for the conservation of soil and water. An experiment was conducted to study water infiltration, runoff generation process, rate of sediment erosion, and hydrodynamic characteristics of overland flow from a sloping hillside with different draw-off discharges from alfalfa and control plots with 20° slope. The effect of alfalfa on runoff and sediment transport reduction was quantitatively analyzed. Alfalfa was discussed for its ability to reduce the overland flow scouring force or change the runoff movement. Compared to the bare-soil plots, alfalfa plots generated a 1.77 times increase in infiltration rate. Furthermore, the down-slope water infiltration rate for the bare soil plots was higher than in the up-slope, while the opposite was found in the alfalfa plots. In addition, alfalfa had a significant effect on runoff and sediment yield. In comparison to the control, the runoff coefficient and sediment transportation rate decreased by 28.3% and 78.4% in the grass slope, respectively. The runoff generated from the alfalfa and bare-soil plots had similar trends with an initial increase and subsequent leveling to a steady-state rate. The transport of sediment reduced with time as a consequence of the depletion of loose surface materials. The maximum sediment concentration was recorded within the first few minutes of each event. The alfalfa plots had subcritical flow while the bare-soil plots had supercritical flow, which indicate that the capability of the alfalfa slope for resisting soil erosion and sediment movement was greater than for bare soil plots. Moreover, the flow resistance coefficient and roughness coefficient for the alfalfa plots were both higher than for the bare-soil plots, which indicate that overland flow in alfalfa plots had retarded and was blocked, and the flow energy along the runoff path had gradually dissipated. Finally, the ability to erode and transport sediment had decreased.

Keywords： alfalfa     soil erosion     runoff and sedimentation     soil water infiltration     overland flow     hydrodynamic characteristics    

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Research on Demarcating Method for Deep Tunnel and Shallow Tunnel in Soil

Zhao Zhanchang,Xie Yongli

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 84-86

Abstract:

Directed against the demarcating problems of deep tunnel and shallow tunnel in exiting methods, thefeasible by two engineering cases, and is of importantce to lining design and construction of soil tunnel

Keywords： soil tunnel     deep tunnel and shallow tunnel     demarcating method    

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Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 522-532 doi: 10.1007/s11709-023-0930-9

Abstract: Engineering safety during maintenance outages is determined by the stability of the tunnel face.The tunnel face is supported by a medium at the bottom of the excavation chamber and compressed air atDisregarding the supporting effect of the cutterhead will result in a tunnel face with underestimated

Keywords： tunnel face stability     cutterhead configuration     aperture ratio     pressure gradient     support ratio    

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Toward Sustainable Revegetation in the Loess Plateau Using Coupled Water and Carbon Management Article

Fubo Zhao, Yiping Wu, Xiaowei Yin, Georgii Alexandrov, Linjing Qiu,

Engineering 2022, Volume 15, Issue 8,   Pages 143-153 doi: 10.1016/j.eng.2020.12.017

Abstract:

The “Grain-for-Green” project on the Loess Plateau is the largest revegetation programrevegetation-induced land use conversions on the water and carbon cycles in a typical watershed on the Loessareas for revegetation could provide information to policy makers for seeking optimal management on the Loess

Keywords： Carbon     Land use change     Loess Plateau     Sediment     SWAT-DayCent     Water resources    

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Bending failure performance of a shield tunnel segment based on full-scale test and numerical analysis

Frontiers of Structural and Civil Engineering   Pages 1033-1046 doi: 10.1007/s11709-023-0973-y

Abstract: This study focuses on the bending failure performance of a shield tunnel segment.

Keywords： shield tunnel     bearing capacity     failure mechanism     segment reinforcement    

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Can the Grain-for-Green Program Really Ensure a Low Sediment Load on the Chinese Loess Plateau? Article

Pengcheng Sun, Yiping Wu, Zhifeng Yang, Bellie Sivakumar, Linjing Qiu, Shuguang Liu, Yanpeng Cai

Engineering 2019, Volume 5, Issue 5,   Pages 855-864 doi: 10.1016/j.eng.2019.07.014

Abstract:

The Chinese Loess Plateau is the most seriously eroded area in the world and contributes the vastTo address this question, we selected a typical loess hilly region where considerable ecological restorationand which is regarded as the site of the first and most representative Grain-for-Green program in the Loess

Keywords： Discharge–sediment relationship     Ecological restoration     Loess hilly region     Sediment load     Sediment    

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Title Author Date Type Operation

HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE LOESS

Journal Article

Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Journal Article

Key Techniques for the Construction of High-Speed Railway Large-Section Loess Tunnels

Yong Zhao, Huawu He, Pengfei Li

Journal Article

Analysis of mechanical behaviors of big pipe-roof for shallow buried large-span tunnel

Li Jian,Tan Zhongsheng,Yu Yu,Ni Lusu

Journal Article

Transforming the Loess Plateau of China

Yuheng LI,Guoming DU,Yansui LIU

Journal Article

Exemplary project of green cave dwellings in Loess Plateau

Jiaping LIU, Xinrong ZHU, Liu YANG, Rongrong HU,

Journal Article

TRANSFORMATION OF AGRICULTURE ON THE LOESS PLATEAU OF CHINA TOWARD GREEN DEVELOPMENT

Journal Article

Stability analysis of a high loess slope reinforced by the combination system of soil nails and stabilization

Jiu-jiang WU,Qian-gong CHENG,Xin LIANG,Jian-Lei CAO

Journal Article

framework of sediment trapped by check-dam networks: A case study of a typical watershed on the chinese loess

Pengcheng Sun, Yiping Wu

Journal Article

Effects of alfalfa coverage on runoff, erosion and hydraulic characteristics of overland flow on loess

Shufang WU, Pute WU, Hao FENG, G. P. Merkley

Journal Article

Research on Demarcating Method for Deep Tunnel and Shallow Tunnel in Soil

Zhao Zhanchang,Xie Yongli

Journal Article

Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Journal Article

Toward Sustainable Revegetation in the Loess Plateau Using Coupled Water and Carbon Management

Fubo Zhao, Yiping Wu, Xiaowei Yin, Georgii Alexandrov, Linjing Qiu,

Journal Article

Bending failure performance of a shield tunnel segment based on full-scale test and numerical analysis

Journal Article

Can the Grain-for-Green Program Really Ensure a Low Sediment Load on the Chinese Loess Plateau?

Pengcheng Sun, Yiping Wu, Zhifeng Yang, Bellie Sivakumar, Linjing Qiu, Shuguang Liu, Yanpeng Cai

Journal Article