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Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 390-394 doi: 10.1007/s11708-008-0087-1

Abstract: Numerical investigations on 3D flow fields in an axial flow fan with and without an inlet box have beenfan performance caused by the internal flow fields and the velocity evenness at the exit of the inlet boxIt is interesting to find that although the inlet box is well designed in accordance with basic designThis research shows that the inlet box needs further improvement and such a check on the flow fields

Keywords： box     velocity distribution     accordance     Numerical     variation    

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On subsurface box-shaped lined tunnel under incident SH-wave propagation

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 948-960 doi: 10.1007/s11709-021-0740-x

Abstract: time-domain boundary element method is applied to obtain the seismic ground response, including a subsurface box-shapedThe present approach can be proposed to civil engineers for preparing simple underground box-shaped models

Keywords： box-lined tunnel     half-plane BEM     surface response     SH-wave     time-domain    

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Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 191-204 doi: 10.1007/s11709-022-0906-1

Abstract: complex urban environments is considered to influence the safety and stability of the overlying drainage boxThe vibration response evolution law of the buried drainage box culvert under blasting vibration wasThe results reveal that the maximum tensile stress of the box culvert structure was 0.33 MPa.as the water level in the box culvert increased.Based on the relationship between the tensile stress of the box culvert, PPV of the box culvert, and

Keywords： drainage box culvert     underpass blasting     dynamic response     numerical simulation     safety assessment    

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Experimental monitoring of the strengthening construction of a segmental box girder bridge and field

Ali Fadhil NASER, Zonglin WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 308-320 doi: 10.1007/s11709-012-0140-3

Abstract: Prestressed concrete segmental box girder bridges are composed of short concrete segments that are eitherdeformation of the steel deviation cross beam during the tension process; measuring the deformation of the box

Keywords： prestressed concrete     box girder     monitoring     external tendons     strain     deflection    

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Experimental study on concrete box culverts in trenches

Baoguo CHEN, Junjie ZHENG, Jie HAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 73-80 doi: 10.1007/s11709-009-0008-3

Abstract: Concrete box culverts are widely used in expressways in mountain areas.

Keywords： culvert     vertical earth pressure     soil arch     full-scale experiment     numerical simulation    

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Temperature variation of concrete box girder bridge

Jian WANG, Zhi FANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 407-413 doi: 10.1007/s11709-009-0053-y

Abstract: theoretical analysis and measurement on site, the temperature gradients and its variation on concrete boxthe heat transfer theory and finite element method (FEM), the heat flux of the surface of concrete boxLast, some conclusions were obtained, which could provide the basis for box girder design under solar

Keywords： temperature     transfer     correlation     radiation     variation    

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Trial design of arch bridge of composite box section with steel web-concrete flange

Jiangang WEI, Qingwei HUANG, Baochun CHEN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 370-375 doi: 10.1007/s11709-010-0073-7

Abstract: A potential solution is to use a composite box arch ring with steel web-concrete flange.arch bridge in the world with a main span of 420 m) as a prototype, trial designs of a composite box

Keywords： steel webs     concrete     box arch     trial design     structural behaviors     finite element method    

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Research of steel box girder dehumidification in Taizhou Bridge

Li Lin and Xu Jun

Strategic Study of CAE 2012, Volume 14, Issue 5,   Pages 10-13

Abstract:

The steel box girder of Taizhou Bridge is 2 160 m long with volume ofThe paper analyzes the principle, lectotype, setting, workflow and construction of the steel box girderAnd the paper protocols the quality inspection and evaluation standards of the steel box girder dehumidification

Keywords： Taizhou Bridge     steel box girder     dehumidification     research    

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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 constructed

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

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Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 158-164 doi: 10.1007/s11709-009-0002-9

Abstract: distribution of temperature field and the variation of thermal stress for a prestressed concrete (PC) box-girderfield tests, the thermal stress incurred by hydration heat may induce temperature cracks on the PC box-girderThe conclusions can provide valuable reference for the design and construction of PC box-girder bridges

Keywords： box-girder bridge     field test     hydration heat     temperature field     temperature gradient     thermal stress    

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Fatigue stress monitoring and analyses for steel box girder of Runyang Suspension Bridge

WANG Ying, LI Zhaoxia, WU Baijian

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 197-204 doi: 10.1007/s11709-008-0038-2

Abstract: The fatigue stress spectrums of steel box girders under normal traffic load, heavy trucks and typhoon

Keywords： bridge     monitoring location     RYSB     traffic loading     information    

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Mechanics analysis of thin-walled box continuous girder with variable cross-sections in considering effect

Yuji CHEN, Qizhi LUO,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 352-356 doi: 10.1007/s11709-009-0057-7

Abstract: In order to study the mechanics behavior of a thin-walled box continuous girder with variable cross-sectionsgeneralized displacements with the spline function, the large deflection problem of the thin-walled boxcantilever, top and bottom plate should be taken to analyze the mechanics behavior of the thin-walled boxThe thin-walled box continuous girder with variable cross-sections has more reasonable stress state andThe effect of large deflection on the stress and displacement of the thin-walled box continuous girder

Keywords： thin-walled box girder with variable cross-sections     potential variational theory     shear lag     large deflection    

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Design of a shaking table test box for a subway station structure in soft soil

YANG Linde, ZHENG Yonglai, ZHANG Dongliang, JI Qianqian, YANG Chao

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 194-197 doi: 10.1007/s11709-007-0022-2

Abstract: A reasonable choice of structure of a model box is significant for a shaking table test to be successfulA model box has been designed for the shaking table test of a subway station structure in the soft soilThe shape of the box is similar to that of a typical station structure, and the ratio between the planeThe contact conditions between the model soil and box are clear to help the data gained from the testand there is no resonance between the model soil and box.

Keywords： geotechnical engineering     numerical analysis     weight     dynamic analysis     Shanghai    

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Complete set technologies and equipment for 900 t simple-supported box beam construction in high-speed

Wang Qingming,Liu Linsheng

Strategic Study of CAE 2011, Volume 13, Issue 4,   Pages 75-80

Abstract:

Complete set technologies and equipment for 900 t simple supported boxthis paper, including the pre fabrication technologies and equipment of the 900 t simple supported boxerection technologies and equipment, construction technologies and equipment of the 900 t simple supported box

Keywords： high speed railway     simple supported box beam     construction technology    

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Evaluation of the static and dynamic structural performance of segmental pre-stressed concrete box girder

Ali Fadhil NASER, Zonglin WANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 164-177 doi: 10.1007/s11709-013-0196-8

Abstract: the deck of the bridge by casting 10 cm layer of concrete, strengthening the web and bottom floor of box

Keywords： structural performance     steel plates     external pre-stressing     cracks     grouting method     static    

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Title Author Date Type Operation

Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Journal Article

On subsurface box-shaped lined tunnel under incident SH-wave propagation

Journal Article

Safety assessment for buried drainage box culvert under influence of underground connected aisle blasting

Journal Article

Experimental monitoring of the strengthening construction of a segmental box girder bridge and field

Ali Fadhil NASER, Zonglin WANG

Journal Article

Experimental study on concrete box culverts in trenches

Baoguo CHEN, Junjie ZHENG, Jie HAN

Journal Article

Temperature variation of concrete box girder bridge

Jian WANG, Zhi FANG,

Journal Article

Trial design of arch bridge of composite box section with steel web-concrete flange

Jiangang WEI, Qingwei HUANG, Baochun CHEN,

Journal Article

Research of steel box girder dehumidification in Taizhou Bridge

Li Lin and Xu Jun

Journal Article

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

Zhou Junliang

Journal Article

Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Journal Article

Fatigue stress monitoring and analyses for steel box girder of Runyang Suspension Bridge

WANG Ying, LI Zhaoxia, WU Baijian

Journal Article

Mechanics analysis of thin-walled box continuous girder with variable cross-sections in considering effect

Yuji CHEN, Qizhi LUO,

Journal Article

Design of a shaking table test box for a subway station structure in soft soil

YANG Linde, ZHENG Yonglai, ZHANG Dongliang, JI Qianqian, YANG Chao

Journal Article

Complete set technologies and equipment for 900 t simple-supported box beam construction in high-speed

Wang Qingming,Liu Linsheng

Journal Article

Evaluation of the static and dynamic structural performance of segmental pre-stressed concrete box girder

Ali Fadhil NASER, Zonglin WANG

Journal Article