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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: and 0.56), cement content (340 and 450 kg/m3), water-to-cement ratio (0.45 and 0.50), and maximumaggregate size (12 and 19 mm).The 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 aggregatesize of 12 and 19 mm, respectively, irrespective of the W/C (water-to-cement) and cement

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

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Effect of asphalt thin beams mixed with three nominal maximum aggregate sizes in the bending beam rheometer

Chun-Hsing HO,María Francisca Martínez GONZÁLEZ,Cristina Pilar Martín LINARES

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 1-7 doi: 10.1007/s11709-016-0367-5

Abstract: objective of this research is to evaluate an impact of asphalt mixture beams with varying sizes of aggregateHowever some concerns have been raised: some consider that the size of the aggregate may affect the testAsphalt thin beams prepared with three different nominal maximum aggregate size (NMAS) (12.5mm, 9.5 mm

Keywords： bending beam rheometer     thin beams     thermal cracking    

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Behavior of dam concrete under biaxial compression-tension and triaxial compression-compression-tension stresses

WANG Huailiang, SONG Yupu

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 323-328 doi: 10.1007/s11709-008-0043-5

Abstract: deformation behavior and strength of three-graded concrete specimens 250 mm × 250 mm × 400 mm with a maximumaggregate size of 80 mm and the corresponding wet-screened concrete specimens 150 mm × 150 mm × 300mm with a maximum aggregate size of 40 mm were studied experimentally.Test results show that the wet-screened effect and size effect of the specimens under complex stress

Keywords： requirement     wet-screened concrete     compression-tension     maximum aggregate     principal    

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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-aggregatetemperatures ranging from 20°C to 600°C with the concept of modeled concrete (MC) and modeled recycled aggregateThe 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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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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Three-Dimensional Mesoscopic Investigation on the Impact of Specimen Geometry and Bearing Strip Sizeon the Splitting-Tensile Properties of Coral Aggregate 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 significantsplitting-tensile behaviors of CAC under the influence of two factors, namely specimen geometry and bearing strip size, a three-dimensional (3D) mesoscale modeling approach with consideration for aggregate randomness invalues of the cube model are slightly higher than those of the cylinder model for the same bearing strip size

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: 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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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 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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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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The size distribution of airborne bacteria and human pathogenic bacteria in a commercial composting plant

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-020-1356-4

Abstract:

•Bacterial concentrations from eight stages were 104–105copies/m3.

Keywords： Size distribution     Airborne bacteria     Biological diversity     Human pathogenic bacteria     Composting plants    

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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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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).Results showed that the damage pattern of RAC was the same as that of natural aggregate concrete (NAC

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

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Fracture resistance on aggregate bridging crack in concrete

ZHANG Xiufang, XU Shilang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 63-70 doi: 10.1007/s11709-007-0006-2

Abstract: toughening exhibited in quasi-brittle materials such as concrete is often mainly related to the action of aggregateIn this investigation, the fracture resistance induced by aggregate bridging, denoted by GI-bridging,will change greatly whereas for specimens that are different in depth, whether GI-bridging exhibits sizedepends on whether the fracture energy of specimens considered in the calculation of G is assumed to be a size-dependent
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Title Author Date Type Operation

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

Journal Article

Effect of asphalt thin beams mixed with three nominal maximum aggregate sizes in the bending beam rheometer

Chun-Hsing HO,María Francisca Martínez GONZÁLEZ,Cristina Pilar Martín LINARES

Journal Article

Behavior of dam concrete under biaxial compression-tension and triaxial compression-compression-tension stresses

WANG Huailiang, SONG Yupu

Journal Article

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

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Journal Article

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

Journal Article

Three-Dimensional Mesoscopic Investigation on the Impact of Specimen Geometry and Bearing Strip Sizeon the Splitting-Tensile Properties of Coral Aggregate 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

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

The size distribution of airborne bacteria and human pathogenic bacteria in a commercial composting plant

Journal Article

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

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

Fracture resistance on aggregate bridging crack in concrete

ZHANG Xiufang, XU Shilang

Journal Article