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Prediction of hydro-suction dredging depth using data-driven methods

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 652-664 doi: 10.1007/s11709-021-0719-7

Abstract: optimization (HGSO) methods, and simple equations methods were applied to simulate the maximum hydro-suction

Keywords： sedimentation     water resources     dam engineering     machine learning     heuristic    

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Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 471-476 doi: 10.1007/s11705-011-1130-z

Abstract: On the other hand, with an increase in the magnetic field and mass suction, both boundary layer thicknesses

Keywords： slip flow     MHD boundary layer     reactive solute diffusion     flat plate     suction/injection    

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heat source/sink on unsteady MHD boundary layer flow and heat transfer over a shrinking sheet with suction

Krishnendu Bhattacharyya

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 376-384 doi: 10.1007/s11705-011-1121-0

Abstract: heat source/sink on the unsteady boundary layer flow and heat transfer past a shrinking sheet with suction

Keywords： MHD boundary layer     unsteady flow     heat transfer     thermal radiation     heat source/sink     shrinking sheet     suction    

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On the MHD squeeze flow between two parallel disks with suction or injection via HAM and HPM

D. D. GANJI,M. ABBASI,J. RAHIMI,M. GHOLAMI,I. RAHIMIPETROUDI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 270-280 doi: 10.1007/s11465-014-0303-0

Abstract: of the present work is to investigate the effect of squeeze Reynolds number, Hartmann number and the suction

Keywords： Homotopy Analysis Method     Homotopy Perturbation Method     incompressible flow     magneto-hydrodynamic flow     parallel disks    

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Studying the stress-suction coupling in soils using an oedometer equipped with a high capacity tensiometer

Trung Tinh LE, Yu-Jun CUI, Juan Jorge MU?OZ, Pierre DELAGE, Anh Minh TANG, Xiang-Ling LI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 160-170 doi: 10.1007/s11709-011-0106-x

Abstract: During oedometer compression, the changes in suction with increased vertical stress are monitored byA comparison is also made with a completely different soil sample under suction, i.e. a statically compactedThe experiment allows the determination of the point at which suction is changed to positive pressureBelow this point, the ratio between the vertical stress and the change in suction are determined.The suction/stress behavior during unloading is also described and discussed.

Keywords： Oedometer     tensiometer     swelling     physicochemical and mechanical effects     stress/suction coupling     soil plasticity    

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Stability analysis of layered slopes in unsaturated soils

Guangyu DAI; Fei ZHANG; Yuke WANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 378-387 doi: 10.1007/s11709-022-0808-2

Abstract: unsaturated conditions and uses a limit equilibrium method to determine the factor of safety involving suctionParametric analyses are conducted to explore the influences of the matric suction on the stability ofThe obtained results show that larger suction stress provided in unsaturated clay dominates the stability

Keywords： slope stability     suction stress     unsaturated soil     layered slope     limit equilibrium    

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Behavior of materials for earth and rockfill dams: Perspective from unsaturated soil mechanics

Eduardo E. ALONSO, Rafaela CARDOSO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 1-39 doi: 10.1007/s11709-010-0013-6

Abstract: The basis of the design of earth and rockfill dams is focused on ensuring the stability of the structure under a set of conditions expected to occur during its life. Combined mechanical and hydraulic conditions must be considered since pore pressures develop during construction, after impoundment and in drawdown. Other instability phenomena caused by transient flow and internal erosion must be considered. The prediction of the hydro-mechanical behavior of traditional and non-traditional materials used in the construction of dams is therefore fundamental. The materials used for dam’s construction cover a wide range from clayey materials to rockfill. In a broad sense they are compacted materials and therefore unsaturated materials. A summary of the current level of knowledge on the behavior of traditional materials used in the construction of dams is presented in the paper. Regular compacted materials (with a significant clay fraction), rockfill and compacted soft rocks are studied with more detail. The latter are non-traditional materials. They are analysed because their use, as well as the use of mixtures of soil and rock, is becoming more necessary for sustainability reasons.

Keywords： dams     unsaturated soil mechanics     suction     rockfill     clayey soil     mixture    

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A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 305-311 doi: 10.1007/s11709-009-0040-3

Abstract: A new triaxial testing system that could control suction in wetting-induced collapsible tests was successfullydeveloped to study the suction effects on wetting-induced collapsible deformation.The pedestal of the triaxial cell was made up of two parts, and the equipment not only could control suctionsuctions and the same net cell pressure, and tests under different net cell pressures and the same suctionIt was indicated that the collapsible deformation increased with the increasing suction, and the effect

Keywords： triaxial apparatus for collapsible soils     controlled suction     pressure/volume controlled equipment     double    

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Investigation of the hydro-mechanical behaviour of compacted expansive clay

Yujun CUI, An Ninh TA, Anh Minh TANG, Yingfa LU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 154-164 doi: 10.1007/s11709-010-0019-0

Abstract: The mechanical behaviour was investigated by tests in oedometer with controlled suction using the vaporequilibrium technique (suction = 0, 9, 39, and 110 MPa).: the lower the suction, the higher the compressibility.In the infiltration test, water was kept on the soil surface and changes in suction and volumetric waterThe data from the simultaneous monitoring of suction and water content were used to determine the water

Keywords： Romainville clay     suction control     oedometer test     large infiltration task     hydro-mechanical behaviour    

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Construction technology in huge caisson on the ground

Qiu Qionghai,Lin Fan,Jiang Jianghua

Strategic Study of CAE 2010, Volume 12, Issue 4,   Pages 14-20

Abstract:

Taizhou Changjiang River Highway Bridge is a suspension bridge with three towers, two spans and two anchorages. The main span is 2×1 080 m. The south and north foundation of the anchorages are deep water caisson with rectangular plane size 67.9 m×52.0 m. A great many of technical innovations are adopted to solve many technical problems including the disposal of the compound basement, manufacturing and installation of the caisson, fulfillment of concrete in the caisson etc, based on the conditions such as the thick overburden layer at the top of the caisson, the super dimension and the big sinking depth of the caisson. This article gives a brief introduction on construction technologies in huge caisson on the ground and can be taken as a reference during the construction of the super scale caisson on the ground in the future.

Keywords： suspension bridge     anchorage     caisson     assembly     deep-well dewatering     foundation settlement     air suction    

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Foundation form and supportingconstruction technique of offshore wind farm

Qin Shunquan,Zhang Ruixia,Li Juntang

Strategic Study of CAE 2010, Volume 12, Issue 11,   Pages 35-39

Abstract: construction methods, several forms of gravity, single pile, group piles, set of caisson, open caisson and suction

Keywords： offshore wind farm     foundation form     pile foundation     jacket base     suction barrel base     set of caisson     fan    

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The Principle of Interaction Between Plastic Volumetric and Shear Strains for Unsaturated Soils

Wang Jingtao

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 11-15

Abstract:  Two new interactions of suction-plastic volumetric strain and pore air pressure-plastic volumetric The suction possesses a dual property.Thereby the effect of the suction on plastic volumetric strain includes two opposite aspects. By means of this property of suction,  the physical significance of effective stress parameter,  effects of suction on volume change and preconsolidation pressure,  and the mechanism of

Keywords： the principle of interaction between plastic volumetric and shear strains     unsaturated soil     matric suction    

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The Analysis of Dangerous Volumetric Water Content of Unsaturated Soil Slope

Zhang Shilin,Wang Dongmei,Li Genhua

Strategic Study of CAE 2004, Volume 6, Issue 5,   Pages 71-75

Abstract: makes the volumetric water of unsaturated soil changing, and the water content relates closely to soil suctionThat means soil suction changes with the stability of whole unsaturated soil slope, that is, the safety

Keywords： unsaturated soil     stability analysis     rainfall seeping     volumetric water     soil suction    

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Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness and statistical optimization

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 267-276 doi: 10.1007/s11783-013-0530-3

Abstract: A significant quadratic polynomial model was obtained ( 0.9189) with capillary suction time (CST) reduction

Keywords： Fenton pretreatment     response surface methodology (RSM)     capillary suction time (CST)     dewaterabilty     molecular    

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Curettage after uterine artery embolization combined with methotrexate treatment for caesarean scar pregnancy

Feng Ying,Li Jian,Chen Suwen,Li Changdong,Zhang Xiaofeng and Hu Qiaofei

Strategic Study of CAE 2014, Volume 16, Issue 5,   Pages 4-10

Abstract: 2010 were offered systemic chemotherapy and local injection with methotrexate（MTX）prior to uterine suctioncurettage. 105 patients between April 2010 to April 2013 were offered prophylactic UACE prior to uterine suctionour hospital. 32 cases were referred from other hospitals where the initial management with uterine suctionThe significant differences were also observed in the amount of vaginal bleeding during uterine suction

Keywords： CSP     UACE     MTX     suction curettage    

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Title Author Date Type Operation

Prediction of hydro-suction dredging depth using data-driven methods

Journal Article

Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Journal Article

heat source/sink on unsteady MHD boundary layer flow and heat transfer over a shrinking sheet with suction

Krishnendu Bhattacharyya

Journal Article

On the MHD squeeze flow between two parallel disks with suction or injection via HAM and HPM

D. D. GANJI,M. ABBASI,J. RAHIMI,M. GHOLAMI,I. RAHIMIPETROUDI

Journal Article

Studying the stress-suction coupling in soils using an oedometer equipped with a high capacity tensiometer

Trung Tinh LE, Yu-Jun CUI, Juan Jorge MU?OZ, Pierre DELAGE, Anh Minh TANG, Xiang-Ling LI

Journal Article

Stability analysis of layered slopes in unsaturated soils

Guangyu DAI; Fei ZHANG; Yuke WANG

Journal Article

Behavior of materials for earth and rockfill dams: Perspective from unsaturated soil mechanics

Eduardo E. ALONSO, Rafaela CARDOSO,

Journal Article

A new method of studying collapsibility of loess

Yuanqing ZHU , Zhenghan CHEN ,

Journal Article

Investigation of the hydro-mechanical behaviour of compacted expansive clay

Yujun CUI, An Ninh TA, Anh Minh TANG, Yingfa LU,

Journal Article

Construction technology in huge caisson on the ground

Qiu Qionghai,Lin Fan,Jiang Jianghua

Journal Article

Foundation form and supportingconstruction technique of offshore wind farm

Qin Shunquan,Zhang Ruixia,Li Juntang

Journal Article

The Principle of Interaction Between Plastic Volumetric and Shear Strains for Unsaturated Soils

Wang Jingtao

Journal Article

The Analysis of Dangerous Volumetric Water Content of Unsaturated Soil Slope

Zhang Shilin,Wang Dongmei,Li Genhua

Journal Article

Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness and statistical optimization

Guangyin ZHEN, Xueqin LU, Baoying WANG, Youcai ZHAO, Xiaoli CHAI, Dongjie NIU, Tiantao ZHAO

Journal Article

Curettage after uterine artery embolization combined with methotrexate treatment for caesarean scar pregnancy

Feng Ying,Li Jian,Chen Suwen,Li Changdong,Zhang Xiaofeng and Hu Qiaofei

Journal Article