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Design new ideas and engineering practice of high-pressure water-rich fault “outside block and insidestrenghthen grouting”

Zhang Minqing,Zhang Mei

Strategic Study of CAE 2009, Volume 11, Issue 12,   Pages 26-34

Abstract: was changed into "outside block and inside strengthen grouting" .While "outside block and inside solid grouting"  assumes the distribution of surroundingwater flow, from outside to inside, finding water source by interval holes, and adding holes in necessaryEngineering practices show that "outside block and inside solid grouting"  can effectivelyThe grouting holes and grouting quantity of "outside block and inside solid grouting"  

Keywords： high-pressure water-rich fault     unevenness     blocking water and strengthen by grouting     outside blockand inside solid grouting     innovation    

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Stability of an annular viscous liquid jet in compressible gases with different properties inside andoutside of the jet

Chunji YAN, Maozhao XIE,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 198-204 doi: 10.1007/s11708-009-0054-5

Abstract: The model takes into account differences between the velocities, densities of the gases inside and outside

Keywords： liquid jet     dominant wave number     compressibility     instability    

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Technology of strengthening soil and keeping pressure of large diameter slurry shield inside with high

Meng Haifeng,Su Qinggui,Zhai Zhiguo

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 70-74

Abstract: justify;">Based on the engineering example of underground diameter project replacing the cutter teeth insidewith high pressure, the application of grouting reinforcement and pile foundation reinforcement in soilThe causes of gas leakage of inside with high pressure were analyzed, and the countermeasures were proposed

Keywords： shield     inside with high pressure     keep pressure     grouting    

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Experimental study on pile-end post-grouting piles for super-large bridge pile foundations

Weiming GONG, Guoliang DAI, Haowen ZHANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 228-233 doi: 10.1007/s11709-009-0019-0

Abstract: The application of pile-end post-grouting piles for super-large bridge pile foundations in some importantdiameter varies from 2.5 m to 3 m, and the maximum length is 125 m; the bearing capacity of the post-groutingThe results show that the bearing capacity of the piles are increased in different degrees after grouting, duration of grouting lasting time, are different.In addition, the calculation formula for the post-grouting piles under specified grouting condition was

Keywords： self-balanced testing technique     pile-end post-grouting     bearing capacity     grouting technology    

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Seismic performance of fabricated continuous girder bridge with grouting sleeve-prestressed tendon composite

Frontiers of Structural and Civil Engineering   Pages 827-854 doi: 10.1007/s11709-023-0954-1

Abstract: In this study, a fiber element model of a fabricated concrete pier with grouting sleeve-prestressed tendonsleeve-fabricated pier, and a grouting sleeve-prestressed tendon composite fabricated pier.Under traditional non-near-fault ground motions, the pier top displacements of the grouting sleeve-fabricatedIn addition, the plastic hinge zones of the grouting sleeve-fabricated pier and the composite fabricatedpier shifted to the joint seam and upper edge of the grouting sleeve, respectively.

Keywords： seismic performance     continuous girder bridge     grouting sleeve-prestressed tendon composite connections    

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Investigation of flow dynamics and decrease of vortex noise inside volute of centrifugal fans

LI Chunxi, WANG Songling

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 235-240 doi: 10.1007/s11708-008-0040-3

Abstract: The characteristics of three-dimension flow dynamics inside the volute of a G4-73No.8D centrifugal fanNumerical results showed that large-scale vortices were broken effectively and the flow fields inside

Keywords： cylinder-shaped     evolution     computational     effective     large-scale    

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Study on the grouting technology adopted in F1 weathered trough for Xiamen Xiang’an Subsea Tunnel

Guo Xiaohong,Wang Mengshu

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 38-41

Abstract: water inflow and great difficulty in construction in Xiamen Xiang'an Subsea Tunnel,full-sectional groutingreinforcement and waterproofing,5 m grouting inside heading, 70 m along longitudinal direction of tunneland superfine cement single-fluid grouting as major grouting material were applied according to poorMeanwhile,the corresponding parameters of grouting were established after drillings for grouting wereThe research results can provide technical reference for similar projects in grouting and waterproofing

Keywords： Ximen Xiang’an Subsea Tunnel     grouting reinforcement     stability     numerical simulation    

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Clearance grouting process test of Three Gorges Project ship lift rack and nut column

Zhan Jianxia and Li Jihu

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 45-49

Abstract:

In order to choose the suitable grouting material and grouting process, and simulate the actual situation of clearance grouting of rack and nut column in ship lift, groutingComparing three kinds of domestic grouting material and the German PAGEL grouting material in groutingIn prototype grouting test, selection of the grouting equipment type, mixing time, templates seal, methodof grouting parameters control of grouting flow were researched, and some applicable grouting material

Keywords： rack     nut column     grouting     ship lift     Three Gorges Project    

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Quantitatively assessing the pre-grouting effect on the stability of tunnels excavated in fault

Xiao YAN, Zizheng SUN, Shucai LI, Rentai LIU, Qingsong ZHANG, Yiming ZHANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1393-1404 doi: 10.1007/s11709-019-0563-1

Abstract: Pre-grouting is a popular ground treatment strategy utilized to enhance the strength and stability ofFirst, how should the grouting size be determined?Second, when should excavation begin after grouting?tunnel section are evaluated, thereby assisting designers by quantitatively assessing the effects of pre-grouting

Keywords： pre-grouting     stability analysis     factor of safety     discontinuity layout optimization    

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Boiling heat transfer correlations for refrigerant mixtures flowing inside micro-fin tubes

ZHANG Xiaoyan, ZHANG Xingqun, CHEN Yunguang, YUAN Xiuling

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 489-493 doi: 10.1007/s11708-008-0110-6

Abstract: geometrical parameters, a boiling heat transfer correlations was developed for refrigerant mixtures flowing insideprediction by the present correlations is in good agreement with the experiment of refrigerant mixtures inside

Keywords： comparison     micro-fin     calculation     transfer     prediction    

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Micro-analysis of nitrogen transport and conversion inside activated sludge flocs using microelectrodes

Lei WANG, Yongtao LV, Xudong WANG, Yongzhe YANG, Xiaorong BAI

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 633-638 doi: 10.1007/s11783-011-0329-z

Abstract: To investigate the nitrogen transport and conversion inside activated sludge flocs, micro-profiles of

Keywords： nitrogen transport     activated sludge flocs     heterotrophic bacteria     nitrifying bacteria     microelectrodes    

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Plasma spray coating on interconnector toward promoted solid oxide fuel cells and solid oxide electrolysis

Frontiers in Energy doi: 10.1007/s11708-023-0901-9

Abstract: Interconnector is a critical component to construct solid oxide cells (SOCs) stack.

Keywords： interconnector coating     plasma spray     electrochemical performance     Cr diffusion inhibition     solid oxide    

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Minimal residual disease in solid tumors: an overview

Frontiers of Medicine 2023, Volume 17, Issue 4,   Pages 649-674 doi: 10.1007/s11684-023-1018-6

Abstract: techniques, and strategies for the detection of cancer, and emphasizes the application of MRD detection in solid

Keywords： MRD     solid tumor     CTC     ctDNA    

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Synchronous grouting of large diameter slurry shield in water-rich sandy gravel stratum

Zhang Changqiang,Zhai Zhiguo,Chen Mingjuan,Jin Zhongxiang

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 75-78

Abstract: stratum deformation mechanism information, the empirical formula of the main parameters of synchronized grouting

Keywords： sandy gravel stratum     slurry shield     synchronous grouting     construction technology    

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High-solid anaerobic digestion of sewage sludge: achievements and perspectives

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1364-4

Abstract:

• High-solid anaerobic digestion (HS-AD) of sewage sludge (SS) is overviewed

Keywords： High-solid effect     Anaerobic fermentation     Methane production     Biodegradability     Sludge treatment    

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Title Author Date Type Operation

Design new ideas and engineering practice of high-pressure water-rich fault “outside block and insidestrenghthen grouting”

Zhang Minqing,Zhang Mei

Journal Article

Stability of an annular viscous liquid jet in compressible gases with different properties inside andoutside of the jet

Chunji YAN, Maozhao XIE,

Journal Article

Technology of strengthening soil and keeping pressure of large diameter slurry shield inside with high

Meng Haifeng,Su Qinggui,Zhai Zhiguo

Journal Article

Experimental study on pile-end post-grouting piles for super-large bridge pile foundations

Weiming GONG, Guoliang DAI, Haowen ZHANG

Journal Article

Seismic performance of fabricated continuous girder bridge with grouting sleeve-prestressed tendon composite

Journal Article

Investigation of flow dynamics and decrease of vortex noise inside volute of centrifugal fans

LI Chunxi, WANG Songling

Journal Article

Study on the grouting technology adopted in F1 weathered trough for Xiamen Xiang’an Subsea Tunnel

Guo Xiaohong,Wang Mengshu

Journal Article

Clearance grouting process test of Three Gorges Project ship lift rack and nut column

Zhan Jianxia and Li Jihu

Journal Article

Quantitatively assessing the pre-grouting effect on the stability of tunnels excavated in fault

Xiao YAN, Zizheng SUN, Shucai LI, Rentai LIU, Qingsong ZHANG, Yiming ZHANG

Journal Article

Boiling heat transfer correlations for refrigerant mixtures flowing inside micro-fin tubes

ZHANG Xiaoyan, ZHANG Xingqun, CHEN Yunguang, YUAN Xiuling

Journal Article

Micro-analysis of nitrogen transport and conversion inside activated sludge flocs using microelectrodes

Lei WANG, Yongtao LV, Xudong WANG, Yongzhe YANG, Xiaorong BAI

Journal Article

Plasma spray coating on interconnector toward promoted solid oxide fuel cells and solid oxide electrolysis

Journal Article

Minimal residual disease in solid tumors: an overview

Journal Article

Synchronous grouting of large diameter slurry shield in water-rich sandy gravel stratum

Zhang Changqiang,Zhai Zhiguo,Chen Mingjuan,Jin Zhongxiang

Journal Article

High-solid anaerobic digestion of sewage sludge: achievements and perspectives

Journal Article