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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 aggregateTwo different types of fine (coarse) aggregates are considered: sea sand and river sand (natural andrecycled coarse aggregates).Supportive results show that the compressive strength of SSRAC increase with decreasing recycled coarseaggregate replacement percentage and increasing sea sand chloride ion content.

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

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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 thethat the punching shear capacity, ductility and energy consumption decreased with the increase of RCA replacementpercentage.

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

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Chloride diffusion in concrete with carbonated recycled coarse aggregates under biaxial compression

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 637-648 doi: 10.1007/s11709-023-0902-0

Abstract: attack on concrete structures is affected by the complex stress state inside concrete, and the effect of recycledaggregates renders this process more complex.the popularization and application of recycled concrete and alleviates the greenhouse effect.The results obtained demonstrate that the chloride ion diffusivity of recycled concrete first decreasesCarbonation enhances the performance of the recycled aggregates and reduces their porosity, thereby reducing

Keywords： recycled concrete     carbonated recycled coarse aggregate     biaxial compression     chloride diffusion     stress    

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

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 orderto meet the strength requirements when changing the replacement rate of RCA, it is necessary to changeThe 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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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: However, 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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Multi-Peptide Adsorption on Uncharged Solid Surfaces: A Coarse-Grained Simulation Study Research

Ruosang Qiu, Jie Xiao, Xiao Dong Chen

Engineering 2020, Volume 6, Issue 2,   Pages 185-194 doi: 10.1016/j.eng.2018.12.012

Abstract: In this work, a mesoscale coarse-grained simulation method was used to investigate the aggregation andIt was observed that around half (46.6%) of the 12-Ala peptide chains could form aggregates. 30.0% ofsurface, some of these (51.0%) merged into each other or merged with floating peptides to form adsorbed aggregatespeptide deposition has a potential influence on the further adsorption of single peptide chains and aggregates

Keywords： Peptide chains     Aggregates     Adsorption     Coarse-grained simulation    

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Recycled glass replacement as fine aggregate in self-compacting concrete

Yasser SHARIFI, Mahmoud HOUSHIAR, Behnam AGHEBATI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 419-428 doi: 10.1007/s11709-013-0224-8

Abstract: as much as possible, the concrete industry has adopted a number of methods to achieve this goal by replacementTherefore, replacement of waste glass with fine aggregate in SCC should deeply be investigated comparedThe aim of the present study is to investigate the effect of glass replacement with fine aggregate onThe strength reduction of concrete in different glass replacement ratios is not remarkable, thus it can

Keywords： Self Compacting Concrete (SCC)     recycle glass     fine aggregate     fresh and hardened properties    

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hardened properties of high-strength concrete incorporating byproduct fine crushed aggregate as partial replacement

Dammika P. K. WELLALA, Ashish Kumer SAHA, Prabir Kumar SARKER, Vinod RAJAYOGAN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 124-135 doi: 10.1007/s11709-020-0673-9

Abstract: presents the fresh and hardened properties of high-strength concrete comprising byproduct fine crushed aggregatesThe lowest void contents of the combined fine aggregates were observed when 40% to 60% of natural sandBy the replacement of 40% FCAs, the slump and bleeding of concrete with a water-to-cement ratio of 0.45provided in the AS 3600 and ACI 318 design standards are applicable for concrete using the FCAs as partial replacement

Keywords： fine crushed aggregates     quarry dust     compressive strength     splitting tensile strength     drying shrinkage    

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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: Then, based on these established parameters, 200 coarse quartzite aggregates are analyzed herein by usingIt was determined that the parameters for form or angularity of coarse aggregates could be fitted byaggregates form and angularity on concrete mechanical properties, respectively.Finally, coarse aggregates with the same content, type and surfaces texture, but different aspect ratiosaggregates.

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

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MICROBIAL NECROMASS WITHIN AGGREGATES STABILIZES PHYSICALLY-PROTECTED C RESPONSE TO CROPLAND MANAGEMENT

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 198-209 doi: 10.15302/J-FASE-2023498

Abstract:

● The contribution of fungal necromass C to SOC increased with aggregate sizes.

Keywords： cropland management     microbial necromass     soil aggregates     soil carbon sequestration     soil organic matter    

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Experimental research on seismic behavior of recycled concrete frame under varying cyclic loading

SUN Yuedong, XIAO Jianzhuang, ZHOU Deyuan

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 302-308 doi: 10.1007/s11709-008-0050-6

Abstract: A study is conducted on the seismic behavior of one natural concrete frame and two recycled concreteframes with 100% recycled coarse aggregate whose scales are 1:2 entirely, and a comparative study ishysteresis loops, displacement ductility, deterioration of strength and stiffness and energy dissipation of recycledAnalysis on the basis of the experiment proves that it is entirely feasible to apply recycled concreteTheoretical base is provided for further study and practical application of recycled concrete structure

Keywords： different     aggregate     stiffness     practical application     % recycled    

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Analysis of Sydney’s recycled water schemes

Zhuo CHEN, Huu Hao NGO, Wenshan GUO, Xiaochang WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 608-615 doi: 10.1007/s11783-012-0468-x

Abstract: Recycled water provides a viable opportunity to partially supplement fresh water supplies as well asCurrently, thousands of recycled water schemes have been successfully conducted in a number of countriesThis study aims to make a comprehensive analysis of recycled water schemes in Sydney for a wide rangeFor each representative recycled water scheme, this study investigates the involved wastewater treatmentThe analyses could also help decision makers in making a sound judgment for future recycled water projects

Keywords： recycled water schemes     end use     water quality     public attitudes     integrated water planning and management    

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Axial compression tests and numerical simulation of steel reinforced recycled concrete short columns

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 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 replacement rate of RCA has little effect on the columns, and with the substitution rate of RCA from

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

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Industrial bio-based plant aggregates as hygric and insulating construction materials for energy efficient

Yunhong Jiang, Mike Lawrence, Meng Zhang, Jiandong Cui

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1532-1532 doi: 10.1007/s11705-020-1960-7

Abstract: In this paper, the bulk density, microstructure, porosity and pore size distribution of the selected aggregatesThe scanning electron microscope results showed all the selected aggregates have a highly porous andAll the selected aggregates had a low bulk density ranging from 30 to 130 kg∙m and a high porosity betweenThe thermal conductivity of the selected bio-aggregates ranged from 0.04 to 0.06 W∙m ∙K .The thermal conductivity of the selected aggregates was not only depending on the bulk density of the

Keywords： bio-based aggregates     density     porosity     thermal conductivity     hygric properties    

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Effect of fly ash replacement level on the fracture behavior of concrete

Mahdi AREZOUMANDI, Jeffery S. VOLZ

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 411-418 doi: 10.1007/s11709-013-0228-4

Abstract: This study presents the results of an experimental investigation that evaluates effect of fly ash replacementThis study includes four mixes with 0%, 30%, 50%, and 70% fly ash as a cement replacement.Results of these statistical tests show that the mix with higher level of fly ash replacement level has

Keywords： concrete     fracture energy     fly ash    

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Title Author Date Type Operation

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

Chloride diffusion in concrete with carbonated recycled coarse aggregates under biaxial compression

Journal Article

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

Jingwei YING; Feiming SU; Shuangren CHEN

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

Multi-Peptide Adsorption on Uncharged Solid Surfaces: A Coarse-Grained Simulation Study

Ruosang Qiu, Jie Xiao, Xiao Dong Chen

Journal Article

Recycled glass replacement as fine aggregate in self-compacting concrete

Yasser SHARIFI, Mahmoud HOUSHIAR, Behnam AGHEBATI

Journal Article

hardened properties of high-strength concrete incorporating byproduct fine crushed aggregate as partial replacement

Dammika P. K. WELLALA, Ashish Kumer SAHA, Prabir Kumar SARKER, Vinod RAJAYOGAN

Journal Article

Quantification of coarse aggregate shape in concrete

Xianglin GU,Yvonne TRAN,Li HONG

Journal Article

MICROBIAL NECROMASS WITHIN AGGREGATES STABILIZES PHYSICALLY-PROTECTED C RESPONSE TO CROPLAND MANAGEMENT

Journal Article

Experimental research on seismic behavior of recycled concrete frame under varying cyclic loading

SUN Yuedong, XIAO Jianzhuang, ZHOU Deyuan

Journal Article

Analysis of Sydney’s recycled water schemes

Zhuo CHEN, Huu Hao NGO, Wenshan GUO, Xiaochang WANG

Journal Article

Axial compression tests and numerical simulation of steel reinforced recycled concrete short columns

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

Journal Article

Industrial bio-based plant aggregates as hygric and insulating construction materials for energy efficient

Yunhong Jiang, Mike Lawrence, Meng Zhang, Jiandong Cui

Journal Article

Effect of fly ash replacement level on the fracture behavior of concrete

Mahdi AREZOUMANDI, Jeffery S. VOLZ

Journal Article