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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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Experimental investigation on concrete overlaid with textile reinforced mortar: Influences of mix, temperature

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 271-283 doi: 10.1007/s11709-022-0896-z

Abstract: Textile reinforced mortar is widely used as an overlay for the repair, rehabilitation, and retrofittingIn this study, we developed a textile-reinforced mortar mix using river sand and evaluated the differentcharacteristics of the textile-reinforced mortar under various exposure conditions.Investigations were performed on three different thicknesses of the textile reinforced mortar overlaidThe experimental findings indicated the feasibility of using textile reinforced mortar as an overlay

Keywords： textile reinforced mortar     bending tests     acid and alkaline environment     concrete overlay    

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Mechanical properties and microstructure of multilayer graphene oxide cement mortar

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1058-1070 doi: 10.1007/s11709-021-0747-3

Abstract: multilayer graphene oxide (MGO) on compressive strength, flexural strength, and microstructure of cement mortarThe cement mortar was prepared with type P. II. 52.5 Portland cement, standard sand, and MGO.The testing result shows that the compressive of GO-cement mortar increased by 4.84%–13.42%, and theGO-cement mortar’s compressive strength and flexural strength at 7 d increased by 3.84%–12.08% and 2.54%Furthermore, the regulating action of MGO for the microstructure of cement mortar at an early age was

Keywords： graphene oxide     cement     mortar     mechanical properties     microstructure    

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Experimental study and assessment of thermal energy storage mortar with paraffin/recycled brick powder

Luchen HAO; Jianzhuang XIAO; Wanzhi CAO; Jingting SUN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1301-1314 doi: 10.1007/s11709-022-0883-4

Abstract: Thermal energy storage recycled powder mortar (TESRM) was developed in this study by incorporating paraffinThe fresh mortar properties and hardened properties were also investigated in this study.The addition of paraffin/BP composite PCM had a positive impact on the mechanical properties of mortarat later ages, and could also reduce the dry shrinkage of mortar.The thermal properties of TESRM were better than those of normal mortar.

Keywords： recycled powder mortar     recycled brick powder     thermal energy storage     paraffin     phase change material    

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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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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: investigation on chloride ingress and macro-cell corrosion of steel bars in concrete made with recycled brick aggregateAs 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 of aggregate

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

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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: As such, a detailed experimental investigation was carried out to evaluate the effect of sand-to-aggregate, cement content (340 and 450 kg/m3), water-to-cement ratio (0.45 and 0.50), and maximum aggregateThe careful analysis demonstrates that aggregate proportions and size need to be optimized for formulatingmix designs; optimum ratios of s/a were found to be 0.40 and 0.44 for the maximum aggregate

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

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Effect of interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1494-1503 doi: 10.1007/s11709-021-0768-y

Abstract: By considering the different values of interface adhesion factor (αcr) between the

Keywords： bearing capacity     soil-rock interface     Hoek−Brown yield criterion     plasticity     limit analysis    

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microstructure, thickness, porosity and its relation with compressive and flexural strength of cement mortar

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 191-201 doi: 10.1007/s11709-021-0792-y

Abstract: A new insight into the interfacial transition zone (ITZ) in cement mortar specimens (CMSs) that is influenced

Keywords： cement fineness     interfacial transition zone     compressive and flexural strength    

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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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Quantification of coarse aggregate shape in concrete

Xianglin GU,Yvonne TRAN,Li HONG

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 308-321 doi: 10.1007/s11709-014-0266-6

Abstract: The objective of this study is to choose indices for the characterization of aggregate form and angularityFor this purpose, several parameters for aggregate form and angularity featured in previous researchThis paper also analyzes the statistical distributions of parameters for aggregate form and angularityeach other, respectively; and consequently, the independent parameters could be used to quantify the aggregateform and angularity for the purpose to study the influence of aggregate shape on the mechanical behavior

Keywords： coarse aggregate     form     angularity     digital image analysis     statistical distribution     splitting tensile strength    

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

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 aggregateSupportive results show that the compressive strength of SSRAC increase with decreasing recycled coarse aggregateaggregates on the axial deformation of SSRAC is clear; however, the deformation differences between coarse aggregateand cement mortar reduce by adopting sea sand.The 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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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 PackingRecycled 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 aggregateIn this regard, further study on the influence of interfacial transition zone, voids content and aggregate

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

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Acid-treated carbon nanotubes and their effects on mortar strength

M. ELKASHEF,K. WANG,M. N. ABOU-ZEID

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 180-188 doi: 10.1007/s11709-015-0325-7

Abstract: The compressive strength of mortar increased with the addition of the acid-treated MWCNTs; however, no

Keywords： carbon nanotubes     concrete     composites     nanomaterials     cement    

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Experimental verification of the interface wave method to detect interlaminar damage of a metal multilayer

Bing LI,Xu GENG,Tong LU,Lei QIANG,Minghang LI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 380-391 doi: 10.1007/s11465-015-0365-7

Abstract:

The interface wave traveling along the boundary of two materials has been studied for nearly a centuryHowever, experiments, engineering applications, and interface wave applications to the non-destructiveFirst, the wave velocity and wave structure of Stoneley waves at a perfectly bonded aluminum-steel interface

Keywords： crack localization     interface waves     Stoneley waves     interlaminar damage     multilayer structure    

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Title Author Date Type Operation

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

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Journal Article

Experimental investigation on concrete overlaid with textile reinforced mortar: Influences of mix, temperature

Journal Article

Mechanical properties and microstructure of multilayer graphene oxide cement mortar

Journal Article

Experimental study and assessment of thermal energy storage mortar with paraffin/recycled brick powder

Luchen HAO; Jianzhuang XIAO; Wanzhi CAO; Jingting SUN

Journal Article

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

Journal Article

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

Journal Article

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

Journal Article

Effect of interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil

Journal Article

microstructure, thickness, porosity and its relation with compressive and flexural strength of cement mortar

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

Quantification of coarse aggregate shape in concrete

Xianglin GU,Yvonne TRAN,Li HONG

Journal Article

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

Journal Article

Understanding the behavior of recycled aggregate concrete by using thermogravimetric analysis

Subhasis PRADHAN, Shailendra KUMAR, Sudhirkumar V. BARAI

Journal Article

Acid-treated carbon nanotubes and their effects on mortar strength

M. ELKASHEF,K. WANG,M. N. ABOU-ZEID

Journal Article

Experimental verification of the interface wave method to detect interlaminar damage of a metal multilayer

Bing LI,Xu GENG,Tong LU,Lei QIANG,Minghang LI

Journal Article