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

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,

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

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Damage-constitutive model for seawater coral concrete using different stirrup confinements subjected

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 429-447 doi: 10.1007/s11709-022-0913-2

Abstract: Recently, the application of detrital coral as an alternative to natural aggregates in marine structuresIn this study, research on the compressive performance of coral aggregate concrete (CAC) confined usingstirrup spacing, and the adopted stirrup ratio had a better strengthening effect than the different concretegrades, and the variation in the deformation was restricted by the performance of coral coarse aggregate

Keywords： coral aggregate concrete     stress−strain curves     lateral effective stress     peak stress     axial−lateral    

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Investigation on the Impact of Specimen Geometry and Bearing Strip Size on the Splitting-Tensile Properties of CoralAggregate Concrete Article

Zhangyu Wu, Jinhua Zhang, Hongfa Yu, Qin Fang, Haiyan Ma, Li Chen

Engineering 2022, Volume 17, Issue 10,   Pages 110-122 doi: 10.1016/j.eng.2021.02.024

Abstract:

The use of coral aggregate concrete (CAC) as a novel construction material has attracted significantand bearing strip size, a three-dimensional (3D) mesoscale modeling approach with consideration for aggregate

Keywords： Coral aggregate concrete     3D mesoscopic modelling     Split-tension test     Tensile strength     Specimen geometry    

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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 recycledbrick aggregate (RBA) was carried out.As control cases, virgin brick aggregate (BA) and stone aggregate (SA) were also investigated.The chloride ingress as well as corrosion of steel bars in concrete made with the different types ofaggregate is ordered as RBA > BA > SA.

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

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Understanding the behavior of recycled aggregate concrete by using thermogravimetric analysis

Subhasis PRADHAN, Shailendra KUMAR, Sudhirkumar V. BARAI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1561-1572 doi: 10.1007/s11709-020-0640-5

Abstract: The physio-chemical changes in concrete mixes due to different coarse aggregate (natural coarse aggregateand recycled coarse aggregate (RCA)) and mix design methods (conventional method and Particle PackingThe PPM mix designed concrete mixes exhibit lower .Recycled aggregate concrete (RAC) mixes exhibit higher and after 7 d of curing, contrary to that afterThe compressive strength of concrete and cannot be correlated for concrete mixes with different aggregate

Keywords： recycled aggregate concrete     Particle Packing Method     thermogravimetric analysis     chemically bound water    

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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%results showed that the ultimate stresses of RACFST columns decreased with increasing recycled coarse aggregateThe 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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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 the

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

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Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate

Jingwei YING; Feiming SU; Shuangren CHEN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 302-315 doi: 10.1007/s11709-022-0803-7

Abstract: The purpose of this study is to reveal the service performance of recycled aggregate concrete (RAC) componentsfor different values of water−cement ratio and replacement rate of recycled coarse aggregate (RCA).Generally, the concrete strength decreases with the increase of the replacement rate of RCA, in orderResults showed that the damage pattern of RAC was the same as that of natural aggregate concrete (NACThe brittleness of concrete before failure can be reduced more effectively by adjusting the replacement

Keywords： recycled concrete     beam     the replacement rate of recycled coarse aggregate     water–cement ratio     digital    

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Destructive and non-destructive evaluation of concrete for optimum sand to aggregate volume ratio

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1400-1414 doi: 10.1007/s11709-021-0779-8

Abstract: Aggregates are the biggest contributor to concrete volume and are a crucial parameter in dictating itsAs such, a detailed experimental investigation was carried out to evaluate the effect of sand-to-aggregatevolume ratio (s/a) on the mechanical properties of concrete utilizing both destructiveFor investigation, standard cylindrical concrete samples were made with different s/a (The careful analysis demonstrates that aggregate proportions and size need to be optimized for formulating

Keywords： aggregates     non-destructive testing     sand-to-aggregate volume ratio (s/a)     maximum aggregate    

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Experimental study on behavior of mortar-aggregate interface after elevated temperatures

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 158-168 doi: 10.1007/s11709-016-0374-6

Abstract: A push-out test program was designed and conducted to study the meso-scale behavior of mortar-aggregateinterface for concrete after elevated temperatures ranging from 20°C to 600°C with the concept of modeledconcrete (MC) and modeled recycled aggregate concrete (MRAC).The properties of recycled aggregate concrete (RAC) may be more sensitive to elevated temperatures thanthose of natural aggregate concrete (NAC) due to the fact that the interfacial properties of RAC are

Keywords： mortar-aggregate interface     push-out test     elevated temperatures     modeled concrete (MC)     modeled recycledaggregate concrete (MRAC)    

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Comments on “Prediction on CO uptake of recycled aggregate concrete”, Frontiers of Structural and Civil

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1504-1506 doi: 10.1007/s11709-021-0782-0

Abstract: A methodology to compute the CO2 uptake of recycled aggregate concrete is proposed in the
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Investigation into viability of using two-stage (pre-placed aggregate) concrete in Irish setting

John O’MALLEY, Hakim S. ABDELGADER,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 127-132 doi: 10.1007/s11709-010-0007-4

Abstract: Two-stage (pre-placed aggregate) concrete (TSC) consists of coarse aggregate, which is first depositedDuring the course of this study the formation of grout for two stage concrete was investigated using

Keywords： grout     pre-placed     concrete     two-stage concrete (TSC)    

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Effects of coarse and fine aggregates on long-term mechanical properties of sea sand recycled aggregateconcrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 754-772 doi: 10.1007/s11709-021-0711-2

Abstract: Typical effects of coarse and fine aggregates on the long-term properties of sea sand recycled aggregateconcrete (SSRAC) are analyzed by a series of axial compression tests.experiments and the digital image correlation method to obtain the deformation field and crack development of concreteSupportive results show that the compressive strength of SSRAC increase with decreasing recycled coarse aggregateThe aggregate type changes the crack characteristics and propagation of SSRAC.

Keywords： sea sand recycled aggregate concrete     recycled coarse aggregate replacement percentage     sea sand chloride    

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Fundamental Issues Towards Unified Design Theory of Recycled and Natural Aggregate Concrete Components Article

Jianzhuang Xiao, Kaijian Zhang, Tao Ding, Qingtian Zhang, Xuwen Xiao

Engineering 2023, Volume 29, Issue 10,   Pages 188-197 doi: 10.1016/j.eng.2023.03.017

Abstract:

In the past 20 years, recycled aggregate concrete (RAC), as a type of low-carbon concrete, has becomeConsequently, demands for a unified design of natural aggregate concrete (NAC) and RAC components havedemonstration of the strength determination, compressive constitutive relationship, and design method of concreteIt is believed that this study enriches and develops the basic theory of concrete structures.

Keywords： Recycled aggregate concrete (RAC)     Natural aggregate concrete (NAC)     Strength determination     Constitutive    

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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.improve the firefly performance in forecasting the chloride penetrability of strengthened recycled aggregateconcrete (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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Title Author Date Type Operation

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

Journal Article

Damage-constitutive model for seawater coral concrete using different stirrup confinements subjected

Journal Article

Investigation on the Impact of Specimen Geometry and Bearing Strip Size on the Splitting-Tensile Properties of CoralAggregate Concrete

Zhangyu Wu, Jinhua Zhang, Hongfa Yu, Qin Fang, Haiyan Ma, Li Chen

Journal Article

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

Journal Article

Understanding the behavior of recycled aggregate concrete by using thermogravimetric analysis

Subhasis PRADHAN, Shailendra KUMAR, Sudhirkumar V. BARAI

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

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

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

Journal Article

Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate

Jingwei YING; Feiming SU; Shuangren CHEN

Journal Article

Destructive and non-destructive evaluation of concrete for optimum sand to aggregate volume ratio

Journal Article

Experimental study on behavior of mortar-aggregate interface after elevated temperatures

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Journal Article

Comments on “Prediction on CO uptake of recycled aggregate concrete”, Frontiers of Structural and Civil

Journal Article

Investigation into viability of using two-stage (pre-placed aggregate) concrete in Irish setting

John O’MALLEY, Hakim S. ABDELGADER,

Journal Article

Effects of coarse and fine aggregates on long-term mechanical properties of sea sand recycled aggregateconcrete

Journal Article

Fundamental Issues Towards Unified Design Theory of Recycled and Natural Aggregate Concrete Components

Jianzhuang Xiao, Kaijian Zhang, Tao Ding, Qingtian Zhang, Xuwen Xiao

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