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Axial compression behavior of CFRP-confined rectangular concrete-filled stainless steel tube stub column

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1144-1159 doi: 10.1007/s11709-021-0762-4

Abstract: The mechanical properties of CFRP-confined rectangular concrete-filled stainless steel tube (CFSST) stubproposed based on the twin-shear strength theory, combining the limit equilibrium state of the CFRP-confinedCFSST stub column under axial compression.

Keywords： CFRP     rectangular CFSST stub column     bearing capacity     limit equilibrium state     twin-shear strength theory    

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Confinement properties of circular concrete columns wrapped with prefabricated textile-reinforced fineconcrete shells

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0955-0

Abstract: This paper proposes an innovative column composed of a core column (including both reinforced concrete(RC) and plain concrete (PC) columns) and a prefabricated textile-reinforced fine concrete (TRC) shellTo study the confinement properties of TRC shells on this novel type of concrete column, 20 circularFour key parameters, including the column size, reinforcing ratio of the carbon textile, concrete strengthIn the case of TRC-confined PC columns, the maximum improvement in the peak load was 56.3%, and for TRC-confined

Keywords： textile-reinforced fine concrete     prefabricated shell     confined concrete column     confinement properties    

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Ductility improvement of GFRP-RC beams using precast confined concrete block in compression zone

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0968-8

Abstract: However, owing to the lack of ductility in this material and the quasi-brittle behavior of concrete,FRP-reinforced concrete (FRP-RC) beams, even with flexural failure, do not fail in a ductile manner.beams depends on the ductility of their compression zones, the present study proposes using a precast confinedconcrete block (PCCB) in the compression zone to improve the ductility of the beams.

Keywords： ductility     four-point bending test     glass fiber-reinforced polymer     precast confined concrete block    

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Influence of steel corrosion on axial and eccentric compression behavior of coral aggregate concretecolumn

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1415-1425 doi: 10.1007/s11709-021-0786-9

Abstract: To study the behavior of coral aggregate concrete (CAC) column under axial and eccentric compression,the compression behavior of CAC column with different types of steel and initial eccentricity (eei increases, the Nu of CAC columnBesides, the steel corrosion in CAC column is severe, which reduces the steel section and steel strength, and decreases the Nu of CAC column.

Keywords： coral aggregate concrete column     axial compression     eccentric compression     steel corrosion     calculation    

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Axial compression tests and numerical simulation of steel reinforced recycled concrete short columnsconfined by carbon fiber reinforced plastics strips

Hui MA; Fangda LIU; Yanan WU; Xin A; Yanli ZHAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 817-842 doi: 10.1007/s11709-022-0844-y

Abstract: To research the axial compression behavior of steel reinforced recycled concrete (SRRC) short columnsconfined by carbon fiber reinforced plastics (CFRP) strips, nine scaled specimens of SRRC short columnscoarse aggregate (RCA), width of CFRP strips, spacing of CFRP strips and strength of recycled aggregate concreteeffects of RCA, the revised formulas for calculating the axial bearing capacity of SRRC short columns confined

Keywords： steel reinforced recycled concrete     CFRP strips     short columns     axial compression behavior     recycledaggregate concrete    

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Development of deep neural network model to predict the compressive strength of FRCM confined columns

Khuong LE-NGUYEN; Quyen Cao MINH; Afaq AHMAD; Lanh Si HO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1213-1232 doi: 10.1007/s11709-022-0880-7

Abstract: The present study describes a reliability analysis of the strength model for predicting concrete columnsimportant parameters, i.e., section type (circle or square), corner radius rc, unconfined concretedouble hidden layers (APDL-1) was shown to be the best to predict the compressive strength of FRCM confinedFurthermore, the results also reveal that the unconfined compressive strength of concrete, type of fiber

Keywords： FRCM     deep neural networks     confinement effect     strength model     confined concrete    

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Cyclic behavior of stiffened joints between concrete-filled steel tubular column and steel beam with

Chunyan QUAN,Wei WANG,Jian ZHOU,Rong WANG

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3,   Pages 333-344 doi: 10.1007/s11709-016-0357-7

Abstract: This paper presented an investigation on a stiffened joint in practical engineering which was between concrete-filledsteel tubular column and steel beam with narrow outer diaphragm and partial joint penetration welds.tubular column.There was no hysteresis damage fracture on the narrow outer diaphragm connected to the concrete-filledsteel tubular column with partial joint penetration welds.

Keywords： narrow outer diaphragm     concrete-filled tubular column     joint     inner and outer stiffening     cyclic behavior    

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Parametric study on seismic performance of self-centering reinforced concrete column with bottom-placed

Frontiers of Structural and Civil Engineering   Pages 1145-1162 doi: 10.1007/s11709-023-0945-2

Abstract: To realize seismic-resilient reinforced concrete (RC) moment-resisting frame structures, a novel self-centeringRC column with a rubber layer placed at the bottom (SRRC column) is proposed herein.For the column, the longitudinal reinforcement dissipates seismic energy, the rubber layer allows therocking of the column, and the unbonded prestressed tendon enables self-centering capacity.; additionally, it can significantly reduce permanent residual deformation and mitigate damage to concrete

Keywords： seismic resilience     self-centering     rubber layer     flag-shaped hysteresis loop     parametric study    

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Performance evaluation of low-rise infilled reinforced concrete frames designed by considering localeffects on column shear demand

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 686-703 doi: 10.1007/s11709-023-0937-2

Abstract: The interactions between reinforced concrete (RC) frames and infill walls play an important role in theThe proposed method can eliminate the column shear failure from the building.

Keywords： reinforced concrete frames     infill wall     seismic design method     shear failure     wall-frame interaction    

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Stress-strain relationship of recycled self-compacting concrete filled steel tubular column subjected

Feng YU, Cheng QIN, Shilong WANG, Junjie JIANG, Yuan FANG

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 760-772 doi: 10.1007/s11709-020-0618-3

Abstract: As a typical compression member, the concrete-filled steel tube has been widely used in civil engineeringHowever, little research on recycled self-compacting concrete filled circular steel tubular (RSCCFCSTRecycled coarse aggregate replacement ratio, concrete strength grade, length to diameter ratio and eccentricstress-strain curves increase with the increase of recycled coarse aggregate replacement ratio and concrete

Keywords： concrete filled circular steel tubular columns     recycled self-compacting concrete     eccentric compression    

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Effect of eccentricity in reinforced concrete beam-column-slab connection under cyclic loading

Rooh ULLAH, Amjad NASEER, Muhammad FAHIM, Mohammad ASHRAF, Eid BADSHAH

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 390-398 doi: 10.1007/s11709-021-0690-3

Abstract: Beam–column connections are one of the most critical elements of reinforced concrete structures, especiallyHowever, very limited experimental studies about eccentric reinforced concrete connections includingThis study presents the experimental results of two half-scale eccentric beam-column-slab connectionsThe horizontal eccentricity ( ) is maintained at 12.5% and 25% of column width ( ) for specimens 1 and

Keywords： corner connection     eccentricity     strength degradation     stiffness degradation     energy dissipation     performance levels    

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Progressive collapse of 2D reinforced concrete structures under sudden column removal

El Houcine MOURID, Said MAMOURI, Adnan IBRAHIMBEGOVIC

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1387-1402 doi: 10.1007/s11709-020-0645-0

Abstract: Once a column in building is removed due to gas explosion, vehicle impact, terrorist attack, earthquakeor any natural disaster, the loading supported by removed column transfers to neighboring structuralpaper, an efficient strategy to model and simulate the progressive collapse of multi-story reinforced concretestructure under sudden column removal is presented.contribution pertains to a very thorough investigation of progressive collapse of the structure under sudden column

Keywords： failure mechanism     MBS dynamic analysis     gravity loads     structure-ground contact     structure-structure contact     energy conserving/decaying scheme    

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Study on the interfacial shear behavior of steel reinforced concrete (SRC) members with stud connectors

Zihua ZHANG,Junhua LI,Lei ZHANG,Kai YU

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 140-150 doi: 10.1007/s11709-014-0250-1

Abstract: Statically push-out tests of 20 steel reinforced concrete short columns (SRCSC) with stud connectors

Keywords： steel reinforced concrete (SRC)     short column     stud connector     after fire     interfacial shear transfer    

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Seismic retrofitting of severely damaged RC connections made with recycled concrete using CFRP sheets

Yasmin MURAD, Wassel AL BODOUR, Ahmed ASHTEYAT

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 554-568 doi: 10.1007/s11709-020-0613-8

Abstract: investigate the influence of CFRP sheets on the cyclic behavior of unconfined connections made with recycled concreteash or silica fume as cement partial replacement to enhance the strength and ultimate drift of beam-columnIron filling concrete is also recommended but the enhancement is relatively less than that found withpulverised fuel ash concrete and silica fume concrete.

Keywords： retrofitting     CFRP sheets     recycled concrete     pulverised fuel ash     silica fume     cyclic     beam-column connections    

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Fabrication of bimetallic Cu–Zn adsorbents with high dispersion by using confined space for gas adsorptive

Frontiers of Chemical Science and Engineering   Pages 1623-1631 doi: 10.1007/s11705-022-2202-y

Abstract: Here, we report a simple but efficient strategy for dispersing active components by using a confinedSuch a confined space does not exist in the conventional support, calcined SBA-15, which does not containThe Cu and Zn precursors were introduced to the confined space in the AS and were converted to CuO andConfined space in the AS and the strong interactions caused by the abundant hydroxyl groups are responsible

Keywords： bimetallic adsorbents     confined space     mesoporous silica     propene/propane separation    

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Title Author Date Type Operation

Axial compression behavior of CFRP-confined rectangular concrete-filled stainless steel tube stub column

Journal Article

Confinement properties of circular concrete columns wrapped with prefabricated textile-reinforced fineconcrete shells

Journal Article

Ductility improvement of GFRP-RC beams using precast confined concrete block in compression zone

Journal Article

Influence of steel corrosion on axial and eccentric compression behavior of coral aggregate concretecolumn

Journal Article

Axial compression tests and numerical simulation of steel reinforced recycled concrete short columnsconfined by carbon fiber reinforced plastics strips

Hui MA; Fangda LIU; Yanan WU; Xin A; Yanli ZHAO

Journal Article

Development of deep neural network model to predict the compressive strength of FRCM confined columns

Khuong LE-NGUYEN; Quyen Cao MINH; Afaq AHMAD; Lanh Si HO

Journal Article

Cyclic behavior of stiffened joints between concrete-filled steel tubular column and steel beam with

Chunyan QUAN,Wei WANG,Jian ZHOU,Rong WANG

Journal Article

Parametric study on seismic performance of self-centering reinforced concrete column with bottom-placed

Journal Article

Performance evaluation of low-rise infilled reinforced concrete frames designed by considering localeffects on column shear demand

Journal Article

Stress-strain relationship of recycled self-compacting concrete filled steel tubular column subjected

Feng YU, Cheng QIN, Shilong WANG, Junjie JIANG, Yuan FANG

Journal Article

Effect of eccentricity in reinforced concrete beam-column-slab connection under cyclic loading

Rooh ULLAH, Amjad NASEER, Muhammad FAHIM, Mohammad ASHRAF, Eid BADSHAH

Journal Article

Progressive collapse of 2D reinforced concrete structures under sudden column removal

El Houcine MOURID, Said MAMOURI, Adnan IBRAHIMBEGOVIC

Journal Article

Study on the interfacial shear behavior of steel reinforced concrete (SRC) members with stud connectors

Zihua ZHANG,Junhua LI,Lei ZHANG,Kai YU

Journal Article

Seismic retrofitting of severely damaged RC connections made with recycled concrete using CFRP sheets

Yasmin MURAD, Wassel AL BODOUR, Ahmed ASHTEYAT

Journal Article

Fabrication of bimetallic Cu–Zn adsorbents with high dispersion by using confined space for gas adsorptive

Journal Article