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Dynamic performance of submerged floating tunnel with different mooring styles subjected to anchor cable

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0932-7

Abstract: Submerged floating tunnels (SFTs) are novel structures for transportation across long- and deep-strait

Keywords： dynamic behaviors     submerged floating tunnel     cable failure     mooring style     progressive failure    

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Equal Stress Should Be Laid on Bridge and Tunnel in the Trans-Yangtze Traffic Project

Qian Qihu,He Yishou

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 32-34

Abstract: Instead,equal stress should be laid on bridge and tunnel,so that both bridge and submerged tunnel can

Keywords： trans-yangtze traffic passage     project     bridge     submerged tunnel    

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Restoration of hyper-eutrophic water with a modularized and air adjustable constructed submerged plant

Jinzhong LI, Xueju LI, Shujuan SUN, Xuegong LIU, Suiliang HUANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 573-584 doi: 10.1007/s11783-011-0363-x

Abstract: A modularized and air adjustable constructed submerged plant bed (CSPB) which can be used to restore

Keywords： modularized and air adjustable constructed submerged plant bed     water purification     eco-restoration techniques    

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Laboratory experiment on using non-floating body to generate electrical energy from water waves

Arunachalam AMARKARTHIK, Srinivasan CHANDRASEKARAN, Karuppan SIVAKUMAR, Harender SINHMAR

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 361-365 doi: 10.1007/s11708-012-0210-1

Abstract: This paper describes an innovative method of using a non-buoyant body to harness ocean waves. All the point absorbers are buoyant in nature and move up due to buoyancy and come down because of gravity. The point absorbers are designed to move along the waves to make the device efficient. These devices face excessive stress during the rough weather on account of the extreme motion of waves and cause the total device failure. The present study shows that using a non-buoyant body for conventional point absorber principle is much efficient and safer than any other device proposed till today. A small scale wave energy converter with non-buoyant body was designed, fabricated and tested in small scale wave maker. An electrical generator was coupled with the device to generate electrical energy from harnessed waves. The generator was electrically loaded and the generated power was measured. It was found from the experiments that the proposed device showed a significant improvement in electricity generation and safety during extreme conditions. In addition to the electricity generation, the characteristics of the device were also studied by using various wave and device parameters.

Keywords： ocean wave energy     point absorbers     heaving body     non-floating object     heave response ratio     electrical energy    

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Performance of bioferric-submerged membrane bioreactor for dyeing wastewater treatment

ZOU Haiyan, XI Danli

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 374-380 doi: 10.1007/s11783-007-0064-7

Abstract: In view of this, Fe(OH) was added to a submerged membrane bioreactor (SMBR) to enhance the removal efficiency

Keywords： hydroxide     surplus     aeration     SMBR     Bioferric process    

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The role of single deformed bubble on porous foam tray with submerged orifices on the mass transfer enhancement

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2127-2143 doi: 10.1007/s11705-023-2363-3

Abstract: Foam trays with porous submerged orifices endow bubbles uniformly distributed, which are considered attractive

Keywords： bubble formation     porous submerged orifices     process intensification     foam tray    

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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: In waterfront geotechnical engineering, seismic and drainage conditions must be considered in the design of retaining structures. This paper proposes a general analytical method to evaluate the seismic active earth pressure on a retaining wall with backfill subjected to partial steady seepage flow under seismic conditions. The method comprises the following steps: i) determination of the total head, ii) upper bound solution of seismic active earth thrust, and iii) deduction for the earth pressure distribution. The determination of total head h(x,z) relies on the Fourier series expansions, and the expressions of the seismic active earth thrust and pressure are derived by using the upper bound theorem. Parametric studies reveal that insufficient drainage and earthquakes are crucial factors that cause unfavorable earth pressure. The numerical results confirm the validity of the total head distribution. Comparisons indicate that the proposed method is consistent with other relevant existing methods in terms of predicting seismic active earth pressure. The method can be applied to the seismic design of waterfront retaining walls.

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

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Submerged arc plasma system combined with ozone oxidation for the treatment of wastewater containing

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1384-0

Abstract:

• Submerged arc plasma was introduced in terms of wastewater treatment

Keywords： Thermal plasma     Submerged arc plasma     Wastewater     Ozone     Phenol     Highly energetic electron    

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Investigation of sediment transport pattern and beach morphology in the vicinity of submerged groyne

H. Afsoos Biria,M. A. Lashteh Neshaei,A. Ghabraei,M. A. Mehrdad

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 82-90 doi: 10.1007/s11709-014-0275-5

Abstract: This structure can be submerged and provide the necessary beach protection without negative aestheticThe objective of this study is to predict sediment transport in the vicinity of submerged groyne andcomparison with non-submerged groyne focusing on a part of the coast at Dahane Sar Sefidrood, Guilansubmerged groyne is more than non-submerged groyne.This result will cause more sediment passing on submerged groyne.

Keywords： submerged groyne     non-submerged groyne     beach morphology     Dahane Sar Sefidrood     sediment transport    

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Numerical simulation of multi-body floating piers to investigate pontoon stability

Mostafa Shahrabi, Khosrow Bargi

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 325-331 doi: 10.1007/s11709-013-0209-7

Abstract: The objective of this study is to develop a procedure to analyze the motions of a floating pier comprisedA floating pier consists of a pier, access bridge, mooring system and fender system, each of which comes

Keywords： coastal structures     numerical simulation     floating pier     rigid pontoons     stability    

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A method for predicting consolidation settlements of floating column improved clayey subsoil

Jinchun CHAI, Supasit PONGSIVASATHIT,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 241-251 doi: 10.1007/s11709-010-0024-3

Abstract: A method of predicting the consolidation settlement-time curve of floating soil-cement column on improvedIt is suggested that the method can be used for designing the soft clayey subsoil improvement using floating

Keywords： cement depth mixing     ground improvement     consolidation     settlement    

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Highly efficient and selective removal of vanadium from tungstate solutions by microbubble floating-extraction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 581-593 doi: 10.1007/s11705-022-2235-2

Abstract: In this work, selective removal of vanadium from tungstate solutions via microbubble floating-extractionremoval efficiency of vanadium reached 98.5% with tungsten loss below 8% after two-stage microbubble floating-extractionTherefore, the microbubble floating-extraction could be an efficient approach for separating selectively

Keywords： tungsten     vanadium     selective separation     reagent mineralization     microbubble floating-extraction    

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The Application of Box Floor as Submerged Camel to Hydraulic Btructures Being Constructed

Zhou Junliang

Strategic Study of CAE 2000, Volume 2, Issue 11,   Pages 78-83

Abstract:

In this paper, the application of box floor as submerged camel to hydraulics structures being constructedThe chamber is moved in submerged state to the site.

Keywords： constructing hydraulic structures     the box floor as submerged camel     derwater construction    

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Role of biologic components in a novel floating-bed combining

Hailiang SONG, Xianning LI, Wei LI, Xiwu LU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 215-225 doi: 10.1007/s11783-013-0587-z

Abstract: A novel floating-bed incorporated with water spinach ( ), Asiatic clam ( ), and carrier media supportedrole of biologic assimilation and leaving the biofilm as the indispensable biologic component in the floating-bedwater spinach, Asiatic clams and biofilms would promote the eutrophic water treatment performance of floating-bedin comparison with the conventional floating-bed with vegetation as the single biologic component.

Keywords： floating-bed     Corbicula fluminea     biofilm carrier     eutrophication    

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Resistance of large caisson in floating transport considering the influence of air

Junjie ZHENG, Zongzhe LI, Dongan ZHAO, Qiang MA, Rongjun ZHANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 331-338 doi: 10.1007/s11709-010-0085-3

Abstract: This paper deals with the floating resistance of super large caisson by numerical simulation, and theThe floating caisson of Taizhou Highway Bridge’s middle tower pier is investigated, and the softwarepackage FLUENT is used to simulate the floating process of large-scale rounded rectangular steel caissonThe comparison shows that the air resistance takes up notable portion in the total resistance on the floating

Keywords： large-scale caisson     numerical simulation     hydraulic resistance     air resistance    

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Title Author Date Type Operation

Dynamic performance of submerged floating tunnel with different mooring styles subjected to anchor cable

Journal Article

Equal Stress Should Be Laid on Bridge and Tunnel in the Trans-Yangtze Traffic Project

Qian Qihu,He Yishou

Journal Article

Restoration of hyper-eutrophic water with a modularized and air adjustable constructed submerged plant

Jinzhong LI, Xueju LI, Shujuan SUN, Xuegong LIU, Suiliang HUANG

Journal Article

Laboratory experiment on using non-floating body to generate electrical energy from water waves

Arunachalam AMARKARTHIK, Srinivasan CHANDRASEKARAN, Karuppan SIVAKUMAR, Harender SINHMAR

Journal Article

Performance of bioferric-submerged membrane bioreactor for dyeing wastewater treatment

ZOU Haiyan, XI Danli

Journal Article

The role of single deformed bubble on porous foam tray with submerged orifices on the mass transfer enhancement

Journal Article

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

Journal Article

Submerged arc plasma system combined with ozone oxidation for the treatment of wastewater containing

Journal Article

Investigation of sediment transport pattern and beach morphology in the vicinity of submerged groyne

H. Afsoos Biria,M. A. Lashteh Neshaei,A. Ghabraei,M. A. Mehrdad

Journal Article

Numerical simulation of multi-body floating piers to investigate pontoon stability

Mostafa Shahrabi, Khosrow Bargi

Journal Article

A method for predicting consolidation settlements of floating column improved clayey subsoil

Jinchun CHAI, Supasit PONGSIVASATHIT,

Journal Article

Highly efficient and selective removal of vanadium from tungstate solutions by microbubble floating-extraction

Journal Article

The Application of Box Floor as Submerged Camel to Hydraulic Btructures Being Constructed

Zhou Junliang

Journal Article

Role of biologic components in a novel floating-bed combining

Hailiang SONG, Xianning LI, Wei LI, Xiwu LU

Journal Article

Resistance of large caisson in floating transport considering the influence of air

Junjie ZHENG, Zongzhe LI, Dongan ZHAO, Qiang MA, Rongjun ZHANG,

Journal Article