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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 columnsThe effects on the substitution percentage of recycled coarse aggregate (RCA), width of CFRP strips,spacing of CFRP strips and strength of recycled aggregate concrete (RAC) on the axial compression propertiesThe results show that the first to reach the yield state was the profile steel in the columns, then the

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

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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 eccentricshow that the strain of the eccentric compression stress-strain curves increase with the increase of recycledcoarse aggregate replacement ratio and concrete strength grade.

Keywords： concrete filled circular steel tubular columns     recycled self-compacting concrete     eccentric compression     recycled coarse aggregate replacement ratio     stress-strain relationship    

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Punching shear behavior of recycled aggregate concrete slabs with and without steel fibres

Jianzhuang XIAO, Wan WANG, Zhengjiu ZHOU, Mathews M. TAWANA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 725-740 doi: 10.1007/s11709-018-0510-6

Abstract: A study on the punching shear behavior of 8 slabs with recycled aggregate concrete (RAC) was carriedThe two main factors considered were the recycled coarse aggregate (RCA) replacement percentage and thesteel fibre volumetric ratio.Research findings indicated that the incorporation of steel fibres could not only improve the energyOn the basis of the test, the punching shear capacity formula of RAC slabs with and without steel fibres

Keywords： recycled aggregate concrete     steel fibres     slab     punching shear     recycled coarse aggregates replacement percentage    

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Behaviors of recycled aggregate concrete-filled steel tubular columns under eccentric loadings

Vivian W. Y. TAM, Jianzhuang XIAO, Sheng LIU, Zixuan CHEN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 628-639 doi: 10.1007/s11709-018-0501-7

Abstract: The paper investigates the behaviors of recycled aggregate concrete-filled steel tubular (RACFST) columnsThe main parameters varied in this study are recycled coarse aggregate replacement percentages (0%, 30%Experimental results showed that the ultimate stresses of RACFST columns decreased with increasing recycledThe recycled coarse aggregate replacement percentages have limited influence on the ultimate stressesof the RACFST columns and has more effect than that of the normal aggregate concrete-filled steel tubular

Keywords： concrete filled steel tubes     recycled aggregate concrete     columns     expansive agent     eccentric load    

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Chloride ingress and macro-cell corrosion of steel in concrete made with recycled brick aggregate

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1358-1371 doi: 10.1007/s11709-021-0769-x

Abstract: An investigation on chloride ingress and macro-cell corrosion of steel bars in concrete made with recycledThe prism specimens were made with a segmented steel bar providing electrical connection from outsidespecimens were submerged in 3% NaCl solution at a temperature of 40°C to investigate chloride ingress in concreteThe chloride ingress as well as corrosion of steel bars in concrete made with the different types of

Keywords： brick aggregate     chloride ingress     macro-cell corrosion     recycled brick aggregate    

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A new systematic firefly algorithm for forecasting the durability of reinforced recycled aggregate concrete

Wafaa Mohamed SHABAN; Khalid ELBAZ; Mohamed AMIN; Ayat gamal ASHOUR

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 329-346 doi: 10.1007/s11709-022-0801-9

Abstract: This study presents a new systematic algorithm to optimize the durability of reinforced recycled aggregateconcrete.flight to improve the firefly performance in forecasting the chloride penetrability of strengthened recycledaggregate concrete (RAC).of recycled aggregate (RA), is used as input to predict the migration coefficient of strengthened RAC

Keywords： chloride penetrability     recycled aggregate concrete     machine learning     concrete components     durability    

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Fatigue shear performance of concrete beams reinforced with hybrid (glass-fiber-reinforced polymer+ steel

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 576-594 doi: 10.1007/s11709-021-0728-6

Abstract: Reinforced concrete beams consisting of both steel and glass-fiber-reinforced polymer rebars exhibitFor specimens that failed by fatigue shear, all the glass-fiber-reinforced polymer stirrups and somesteel stirrups fractured at the critical diagonal crack.The fatigue strength of the glass-fiber-reinforced polymer stirrups in the specimens was considerablytests on the glass-fiber-reinforced polymer bar, and the failure modes were different.

Keywords： fatigue     shear     hybrid stirrups     hybrid reinforcement     fiber-reinforced polymer    

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An experimental study on the flexural behavior of heavily steel reinforced beams with high-strength concrete

Yasser SHARIFI, Ali Akbar MAGHSOUDI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 46-56 doi: 10.1007/s11709-014-0237-y

Abstract: In recent years, an emerging technology termed high-strength concrete (HSC) has become popular in constructionPresent study describes an experimental research on the behavior of high-strength concrete beams in ultimateTests are reported in this study on the flexural behavior of high-strength reinforced concrete (HSRC)The beams were made from concrete having compressive strength of 66.81–77.72 N/mm and percentage reinforcementprovisions for serviceability requirements is found to underestimate the maximum deflection of HSC reinforced

Keywords： high-strength concrete (HSC) members     flexural behavior     reinforced concrete     experimental results     ultimate    

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Behavior of steel fiber–reinforced high-strength concrete at medium strain rate

Chujie JIAO, Wei SUN, Shi HUAN, Guoping JIANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 131-136 doi: 10.1007/s11709-009-0027-0

Abstract: Impact compression experiments for the steel fiber–reinforced high-strength concrete (SFRHSC) at mediumThe volume fractions of steel fibers of SFRHSC were between 0 and 3%.were improved remarkably because of the superposition effect of the aggregate high-strength matrix and steel

Keywords： steel fiber–reinforced high-strength concrete (SFRHSC)     high strain rates     split Hopkinson press bar (SHPB    

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Acoustic emissions evaluation of the dynamic splitting tensile properties of steel fiber reinforced concrete

Frontiers of Structural and Civil Engineering   Pages 1341-1356 doi: 10.1007/s11709-023-0988-4

Abstract: empirically investigated the influence of freeze–thaw cycling on the dynamic splitting tensile properties of steelfiber reinforced concrete (SFRC).tests were conducted using four loading rates (0.002, 0.02, 0.2, and 2 mm/s) on specimens with four steel

Keywords： steel fiber reinforced concrete     freeze–thaw cycling     Brazilian disc splitting test     acoustic emission    

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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 connectorson the surface of shape steel after fire and two SRCSC under ambient temperature were carried out, inThe interfacial shear transfer of the specimens with studs arranged at the steel web is much higher thanthose with studs arranged at the steel flange.

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

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Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical propertiesof concrete

Necat ÖZAŞIK; Özgür EREN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 792-802 doi: 10.1007/s11709-022-0849-6

Abstract: To deal with this concern, recycled polyethylene terephthalate bottles were incorporated in concreteThe objective of this research is to evaluate the mechanical properties of recycled polyethylene terephthalatefibre reinforced concrete (RPFRC) in comparison with control concrete without fibres. polyethylene terephthalatetwo lengths (20 and 30 mm) were added at various proportions (0.5%, 1.0%, 1.5% and 2.0%) by volume of concretedetermine the effect of fibres initially on compressive, flexural and splitting tensile strengths of concrete

Keywords： recycled PET     fibre-reinforced concrete     mechanical properties     plastic shrinkage     impact energy    

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Exploring the mechanical properties of steel- and polypropylene-reinforced ultra-high-performance concrete

Frontiers of Structural and Civil Engineering   Pages 1228-1248 doi: 10.1007/s11709-023-0931-8

Abstract: presents experimental and numerical investigations on the mechanical properties of ultra-high-performance concrete(UHPC) reinforced with single and hybrid micro- and macro-steel and polypropylene fibers.

Keywords： UHPC     MT-DIC     flexural behavior     tensile behavior     steel fiber     polypropylene fiber    

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Layout optimization of steel reinforcement in concrete structure using a truss-continuum model

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 669-685 doi: 10.1007/s11709-023-0963-0

Abstract: optimization (BESO), a new approach is developed in this study to optimize the reinforcement layout in steel-reinforcedconcrete (SRC) structures.To fully utilize the tensile strength of steel and the compressive strength of concrete, the optimizationsensitivity of steel in a concrete–steel composite is integrated with the average normal stress of aneighboring concrete.

Keywords： bi-directional evolutionary structural optimization     steel-reinforced concrete     concrete stress     reinforcement    

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Flexural behavior of high-strength, steel-reinforced, and prestressed concrete beams

Qing JIANG, Hanqin WANG, Xun CHONG, Yulong FENG, Xianguo YE

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 227-243 doi: 10.1007/s11709-020-0687-3

Abstract: To study the flexural behavior of prestressed concrete beams with high-strength steel reinforcement andThe results show that the failure mode of the test beams was similar to that of the beams with normal reinforcedconcrete.steel reinforcement members.steel reinforcement structures.

Keywords： high-strength steel reinforcement     high-strength concrete     flexural behavior     crack width    

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Title Author Date Type Operation

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

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

Punching shear behavior of recycled aggregate concrete slabs with and without steel fibres

Jianzhuang XIAO, Wan WANG, Zhengjiu ZHOU, Mathews M. TAWANA

Journal Article

Behaviors of recycled aggregate concrete-filled steel tubular columns under eccentric loadings

Vivian W. Y. TAM, Jianzhuang XIAO, Sheng LIU, Zixuan CHEN

Journal Article

Chloride ingress and macro-cell corrosion of steel in concrete made with recycled brick aggregate

Journal Article

A new systematic firefly algorithm for forecasting the durability of reinforced recycled aggregate concrete

Wafaa Mohamed SHABAN; Khalid ELBAZ; Mohamed AMIN; Ayat gamal ASHOUR

Journal Article

Fatigue shear performance of concrete beams reinforced with hybrid (glass-fiber-reinforced polymer+ steel

Journal Article

An experimental study on the flexural behavior of heavily steel reinforced beams with high-strength concrete

Yasser SHARIFI, Ali Akbar MAGHSOUDI

Journal Article

Behavior of steel fiber–reinforced high-strength concrete at medium strain rate

Chujie JIAO, Wei SUN, Shi HUAN, Guoping JIANG

Journal Article

Acoustic emissions evaluation of the dynamic splitting tensile properties of steel fiber reinforced concrete

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

Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical propertiesof concrete

Necat ÖZAŞIK; Özgür EREN

Journal Article

Exploring the mechanical properties of steel- and polypropylene-reinforced ultra-high-performance concrete

Journal Article

Layout optimization of steel reinforcement in concrete structure using a truss-continuum model

Journal Article

Flexural behavior of high-strength, steel-reinforced, and prestressed concrete beams

Qing JIANG, Hanqin WANG, Xun CHONG, Yulong FENG, Xianguo YE

Journal Article