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On the environment evolvement of Jingjiang River Valley and the forming processes of Twain-Hu Plain Basin

Hu Dongsheng,Zhang Huajing,Xu Bing,Gou Qingmei,Yu Xuefeng,Tian Xinhong,Liu Weiguo,An Zhisheng,Zhang Guowei

Strategic Study of CAE 2010, Volume 12, Issue 1,   Pages 36-42

Abstract: and the forming process of Jingjiang River in the middle reaches of Yangtze River and the basin of Twain-Hu(Jianghan-Dongting) Plain Baisn were comprehensively researched, it revealed the influence of the pullevolvement from with the valley water system ,to surface processes the region environment and the basin of Twain-Hu(Jianghan -Dongting) Plain, the discuss into the earth dynamic mechanism for the mountain -basin -plain

Keywords： Jingjiang River Valley of middle reaches of Yangtze River     Twain -Hu (Jianghan - Dongting) Plain     processof environment evolvement     mountain -basin -plain -river -lake -rivulet’s coupling system    

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of compaction parameters for sand-filled embankment using large thickness sand filling technique in JianghanPlain district

Wentao WANG, Chongzhi TU, Rong LUO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 568-576 doi: 10.1007/s11709-017-0444-4

Abstract: study uses the finite element method to simulate a new technique of highway sand embankment filling in JianghanPlain district, which can raise the thickness of sand-filled layer from 30 cm to 70 cm and can significantly

Keywords： sand embankment     compaction in large thickness     numerical simulation     small size vibratory roller     steady compaction    

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Industrial Greening of the Dongting Lake Eco-economic Zone

Da-yuan Li,Min Huang

Frontiers of Engineering Management 2015, Volume 2, Issue 3,   Pages 228-233 doi: 10.15302/J-FEM-2015047

Abstract: The Dongting Lake district, located in Wuhan and the Changsha-Zhuzhou-Xiangtan (CZT) pilot zone, bearsto ensure national food security and watershed ecological security, and it is an urgent need for the DongtingOn the analysis of the industrial development status and problems of the Dongting Lake district, someproduction capacity, heavy metals governance and so on, as to develop the industrial ecology of the Dongting

Keywords： industrial greening     changing patterns of development     ecological civilization     regional collaboration     the Dongting    

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Application of Fe

Xiaowei ZHANG,Qinyan YUE,Dongting YUE,Baoyu GAO,Xiaojuan WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 402-410 doi: 10.1007/s11783-014-0659-8

Abstract: Dyes are common pollutants in textile wastewaters, and the treatment of the wastewater has now attracted much attention due to its wide application and low biodegradability. In this study, Fe /C/Clay ceramics, a kind of novel micro-electrolysis filler, were sintered and employed in a dynamic micro-electrolysis reactor for synthetic Acid Red 73 (AR73) and Reactive Blue 4 (RB4) wastewater treatment. The effects of influent pH, hydraulic retention time (HRT), and aeration on the decoloration efficiencies of AR73 and RB4 were studied. The optimum conditions for wastewater treatment were: AR73, influent pH of 4, HRT of 2 h and aeration; RB4, influent pH of 5, HRT of 6 h and aeration. Under the optimum conditions, decoloration efficiency of AR73 and RB4 wastewater was 96% and 83%, respectively. Results of UV-vis spectrum scanning demonstrated that the chromophores were broken. Continuous running tests showed that improvement of micro-electrolysis system with Fe /C/Clay ceramics for AR73 and RB4 synthetic wastewater treatment could avoid failure of micro-electrolysis reactor, which indicated great potential for the practical application of the ceramics in the field of actual industrial wastewater treatment.

Keywords： Fe0/C/Clay ceramics     micro-electrolysis     Acid Red 73     Reactive Blue 4     synthetic wastewater    

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Spatial Variability and Distribution of Nitrate Content of Shallow Groundwater in Huang-Huai-Hai Plain

Li Baoguo,Bai Youlu,Hu Kelin,Huang Yuanfang,Chen Deli

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 42-45

Abstract: spatial variability and distribution of NO3- N in shallow groundwater in Huang-Huai-Hai Plain>—N concentration over 20 mg· L-1 was about 10% of the whole Huang-Huai-Hai PlainLianyungang in Jiangsu Province and Weifang,in Shandong Provence, which was about 11.5% of the Huang-Huai-Hai Plainfertilizer utilization efficiency and to the sustaining agricultural development in Huang-Huai-Hai Plain

Keywords： Huang-Huai-Hai Plain     groundwater     nitrate     spatial distribution    

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GROUNDWATER DEPLETION IN THE NORTH CHINA PLAIN: THE AGROHYDROLOGICAL PERSPECTIVE

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 594-598 doi: 10.15302/J-FASE -2021407

Abstract:

Agricultural production in the North China Plain with rainfall of less than 500 mm·yr&

Keywords： crop yield / groundwater depletion / sustainability    

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An enhanced damage plasticity model for predicting the cyclic behavior of plain concrete under multiaxial

Mohammad Reza AZADI KAKAVAND, Ertugrul TACIROGLU

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1531-1544 doi: 10.1007/s11709-020-0675-7

Abstract: Some of the current concrete damage plasticity models in the literature employ a single damage variable for both the tension and compression regimes, while a few more advanced models employ two damage variables. Models with a single variable have an inherent difficulty in accounting for the damage accrued due to tensile and compressive actions in appropriately different manners, and their mutual dependencies. In the current models that adopt two damage variables, the independence of these damage variables during cyclic loading results in the failure to capture the effects of tensile damage on the compressive behavior of concrete and vice-versa. This study presents a cyclic model established by extending an existing monotonic constitutive model. The model describes the cyclic behavior of concrete under multiaxial loading conditions and considers the influence of tensile/compressive damage on the compressive/tensile response. The proposed model, dubbed the enhanced concrete damage plasticity model (ECDPM), is an extension of an existing model that combines the theories of classical plasticity and continuum damage mechanics. Unlike most prior studies on models in the same category, the performance of the proposed ECDPM is evaluated using experimental data on concrete specimens at the material level obtained under cyclic multiaxial loading conditions including uniaxial tension and confined compression. The performance of the model is observed to be satisfactory. Furthermore, the superiority of ECDPM over three previously proposed constitutive models is demonstrated through comparisons with the results of a uniaxial tension-compression test and a virtual test.

Keywords： damage plasticity model     plain concrete     cyclic loading     multiaxial loading conditions    

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Investigation on the freeze-thaw damage to the jointed plain concrete pavement under different climate

Shuaicheng GUO, Qingli DAI, Jacob HILLER

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 227-238 doi: 10.1007/s11709-017-0426-6

Abstract: Freeze-thaw damage is one of the main threats to the long time performance of the concrete pavement in the cold regions. This project aims to evaluate the influence of the freeze-thaw damages on pavement distresses under different climate conditions. Based on the Long-Term Pavement Performance (LTPP) data base, the freeze-thaw damage generated by four different kinds of climate conditions are considered in this project: wet-freeze, wet-non freeze, dry-freeze and dry-non freeze. The amount of the transverse crack and the joint spalling, along with the International Roughness Index ( ) are compared among the test sections located in these four different climate conditions. The back calculation with the Falling Weight Deflectometer (FWD) test results based on the ERES and the Estimation of Concrete Pavement Parameters (ECOPP) methods are conducted to obtain concrete slab elastic modulus and the subgrade -value. These two parameters both decrease with service time under freeze condition. Finally, MEPDG simulation is conducted to simulate the development with service year. These results showed the reasonable freeze-thaw damage development with pavement service life and under different climate conditions.

Keywords： LTPP     elastic modulus     k-value     IRI     MEPDG    

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Evaluation of groundwater quality in the Xinjiang Plain Area

Jinlong ZHOU, Xinguang DONG, Yiping WANG, Guomin LI, Xiaojing GUO,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 183-186 doi: 10.1007/s11783-010-0021-8

Abstract: Groundwater is the main source of drinking water for the urban and rural residents in the plain areaThe results can be useful for the evaluation and management of water resources in the Xinjiang Plain

Keywords： groundwater quality     evaluation     one veto method     total dissolved solids (TDS)     pH     total hardness    

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Ballistic behavior of plain and reinforced concrete slabs under high velocity impact

Chahmi OUCIF, Luthfi Muhammad MAULUDIN, Farid Abed

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 299-310 doi: 10.1007/s11709-019-0588-5

Abstract: work presents a numerical simulation of ballistic penetration and high velocity impact behavior of plainIn this paper, we focus on the comparison of the performance of the plain and reinforced concrete slabsreinforcements to the concrete samples were found efficient in terms of ballistic resistance comparing to the plain

Keywords： Johnson-Holmquist-2     Johnson-Cook     reinforced concrete     damage     impact loads    

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Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China Plain

Jingjing WANG,Feng HUANG,Baoguo LI

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 295-310 doi: 10.15302/J-FASE-2015074

Abstract: The North China Plain (NCP) is a major grain production area in China, but the current winter wheat-summer

Keywords： AquaCrop     summer maize     soil water balance     water productivity    

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Improving water use efficiency in grain production of winter wheat and summer maize in the North China Plain

Xiying ZHANG,Wenli QIN,Juanna XIE

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 25-33 doi: 10.15302/J-FASE-2016090

Abstract: ) in grain production is critical for the development of sustainable agriculture in the North China Plain

Keywords： harvest index     cultivar selection     deficit irrigation     root water uptake     straw mulching    

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Models & Optimum Technique——Application of Water Saving System for Well Irrigation Rice in Sanjiang Plain

Fu Qiang

Strategic Study of CAE 2002, Volume 4, Issue 6,   Pages 44-55

Abstract: macroscopically the SPAC theory model to the water saving system of well irrigation rice in Sanjiang Plain

Keywords： building models     optimization     Sanjiang Plain     well irrigation rice     system    

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Theory and Practice of Hydrodynamic Reconstruction in Plain River Networks Article

Hongwu Tang, Saiyu Yuan, Hao Cao

Engineering 2023, Volume 24, Issue 5,   Pages 202-212 doi: 10.1016/j.eng.2022.01.015

Abstract: From this, a theory for the hydrodynamic reconstruction of plain river networks is proposed.technical system for multiscale hydrodynamic reconstruction and multi-objective hydraulic regulation in plain

Keywords： Plain river network     Water security problems     Hydrodynamic reconstruction     Multi-objective     Integrated    

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Statistics and countermeasures of non point source pollution in plain river network of Taihu Basin

Qin Zhong,Geng Qingwei,Zang Guimin

Strategic Study of CAE 2010, Volume 12, Issue 6,   Pages 113-116

Abstract: sources pollution, this essay gives some suggestion on the control of non-point sources pollution in plain

Keywords： Taihu Basin     plain river network     non-point sources pollution     contro    

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Title Author Date Type Operation

On the environment evolvement of Jingjiang River Valley and the forming processes of Twain-Hu Plain Basin

Hu Dongsheng,Zhang Huajing,Xu Bing,Gou Qingmei,Yu Xuefeng,Tian Xinhong,Liu Weiguo,An Zhisheng,Zhang Guowei

Journal Article

of compaction parameters for sand-filled embankment using large thickness sand filling technique in JianghanPlain district

Wentao WANG, Chongzhi TU, Rong LUO

Journal Article

Industrial Greening of the Dongting Lake Eco-economic Zone

Da-yuan Li,Min Huang

Journal Article

Application of Fe

Xiaowei ZHANG,Qinyan YUE,Dongting YUE,Baoyu GAO,Xiaojuan WANG

Journal Article

Spatial Variability and Distribution of Nitrate Content of Shallow Groundwater in Huang-Huai-Hai Plain

Li Baoguo,Bai Youlu,Hu Kelin,Huang Yuanfang,Chen Deli

Journal Article

GROUNDWATER DEPLETION IN THE NORTH CHINA PLAIN: THE AGROHYDROLOGICAL PERSPECTIVE

Journal Article

An enhanced damage plasticity model for predicting the cyclic behavior of plain concrete under multiaxial

Mohammad Reza AZADI KAKAVAND, Ertugrul TACIROGLU

Journal Article

Investigation on the freeze-thaw damage to the jointed plain concrete pavement under different climate

Shuaicheng GUO, Qingli DAI, Jacob HILLER

Journal Article

Evaluation of groundwater quality in the Xinjiang Plain Area

Jinlong ZHOU, Xinguang DONG, Yiping WANG, Guomin LI, Xiaojing GUO,

Journal Article

Ballistic behavior of plain and reinforced concrete slabs under high velocity impact

Chahmi OUCIF, Luthfi Muhammad MAULUDIN, Farid Abed

Journal Article

Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China Plain

Jingjing WANG,Feng HUANG,Baoguo LI

Journal Article

Improving water use efficiency in grain production of winter wheat and summer maize in the North China Plain

Xiying ZHANG,Wenli QIN,Juanna XIE

Journal Article

Models & Optimum Technique——Application of Water Saving System for Well Irrigation Rice in Sanjiang Plain

Fu Qiang

Journal Article

Theory and Practice of Hydrodynamic Reconstruction in Plain River Networks

Hongwu Tang, Saiyu Yuan, Hao Cao

Journal Article

Statistics and countermeasures of non point source pollution in plain river network of Taihu Basin

Qin Zhong,Geng Qingwei,Zang Guimin

Journal Article