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Extending blending proportions of ordinary Portland cement and calcium sulfoaluminate cement blends:

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1249-1260 doi: 10.1007/s11709-021-0770-4

Abstract: This study extended blending proportion range of ordinary Portland cement (OPC) and calcium sulfoaluminate(CSA) cement blends, and investigated effects of proportions on setting time, workability, and strength

Keywords： calcium sulfoaluminate cement     cement blends     hydration reaction     setting     workability     compressive strength    

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Hydration, microstructure and autogenous shrinkage behaviors of cement mortars by addition of superabsorbent

Beibei SUN, Hao WU, Weimin SONG, Zhe LI, Jia YU

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1274-1284 doi: 10.1007/s11709-020-0656-x

Abstract: The present study systematically and quantitively investigated the effect of SAP on hydration, autogenousshrinkage, mechanical properties, and microstructure of cement mortars.Although SAP decreased the peak rate of hydration heat and retarded the hydration, it significantly increasedthe cumulative heat, indicating SAP helps promote the hydration.The microstructure difference caused by SAP contributed to the inferior mechanical behaviors of cement

Keywords： Superabsorbent Polymer     mechanical properties     hydration heat     autogenous shrinkage     microstructure    

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Appraising the potential of calcium sulfoaluminate cement-based grouts in simulated permafrost environments

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 722-731 doi: 10.1007/s11709-023-0950-5

Abstract: The aim of this study is to appraise the potential of calcium sulfoaluminate (CSA) cement-based groutsThe hydration and performance of CSA cement-based grouts cured in cold environments (10, 0, and −10 °Meanwhile, results of the TGA and XRD tests show the generation of a significant quantity of hydrationproducts, which indicates the rapid hydration of CSA cement-based grouts at the early stage at low temperaturesConsequently, the CSA cement-based grouts exhibit remarkably high early strength.

Keywords： permafrost     low temperatures     calcium sulfoaluminate cement-based grouts     hydration reaction     compressive    

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Investigation on early hydrates of cement pastes superplasticized by comb-type copolymer

Jiang Yaqing

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 69-75

Abstract: justify;">The aim of this paper is to find out regularity of comb-type water reducers effect on early hydrationof cement and to guide engineering applications of comb-type water reducers.by SEM, and the electronic characteristic data of cement hydrates were analyzed.It is found that comb-type water reducers can accelerate hydration rate of cement minerals.Therefore, early hydration of cement and engineering properties of concrete are dominated by the kind

Keywords： comb-type water reducer     cement hydration     ettringite     microstructure    

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The effect of SiO

Ismael FLORES-VIVIAN, Rani G.K PRADOTO, Mohamadreza MOINI, Marina KOZHUKHOVA, Vadim POTAPOV, Konstantin SOBOLEV

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 436-445 doi: 10.1007/s11709-017-0438-2

Abstract: The nanoparticles of SiO were used in cement systems to modify the rheological behavior, to enhanceultrafiltration and, optionally, by cryochemical vacuum sublimation drying, were evaluated in portland cementdosage of 0.25% (as a solid material by weight of cementitious materials) was used to compare the cementThe effect of nano-SiO particles in portland cement mortars was investigated by evaluating the flow,heat of hydration and compressive strength development.

Keywords： ultrafiltration     cryochemical vacuum sublimation drying     nanoparticles     portland cement     heat of hydration    

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Molecular Simulation of Cement-based Materials and Their Properties Review

Ashraf A. Bahraq, Mohammed A. Al-Osta, Omar S. Baghabra Al-Amoudi, I.B. Obot,Mohammed Maslehuddin, Habib-ur-Rehman Ahmed, Tawfik A. Saleh

Engineering 2022, Volume 15, Issue 8,   Pages 165-178 doi: 10.1016/j.eng.2021.06.023

Abstract:

Hydrated cement is one of the complex composite systems due to the presence of multi-scale phasesCalcium silicate hydrate (C–S–H), which is the principal binder phase in the hydrated cement, is responsible for the stiffness, strength, and durability of Portland cement concrete.the properties and interactions of the cement system at the fundamental scale.chemistry, where the hydration reactions govern most of the chemical and physical properties at the

Keywords： Atomistic simulation     Molecular dynamics     Cement phases     Hydration products     Nanoengineering    

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Experimental investigation of evolutive mode-I and mode-II fracture behavior of fiber-reinforced cemented paste backfill: Effect of curing temperature and curing time

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 256-270 doi: 10.1007/s11709-022-0924-z

Abstract: The curing temperature-dependent cement hydration causes the nonlinear evolution of fracture behaviorTherefore, the coupled effect of curing temperature (20, 35, and 45 °C) and cement hydration at different

Keywords： fiber reinforcement     cemented paste backfill     fracture behavior     underground mine     cement hydration    

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Thermodynamic analysis of ethanol synthesis from hydration of ethylene coupled with a sequential reaction

Jie Gao, Zhikai Li, Mei Dong, Weibin Fan, Jianguo Wang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 847-856 doi: 10.1007/s11705-019-1848-6

Abstract: Coal-based ethanol production by hydration of ethylene is limited by the low equilibrium ethylene conversionTo improve ethylene conversion, coupling hydration of ethylene with a potential ethanol consumption reaction

Keywords： ethylene     ethanol     thermodynamics     coupling    

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ITZ microstructure, thickness, porosity and its relation with compressive and flexural strength of cementmortar; influence of cement fineness and water/cement ratio

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 influencedby cement fineness is reported.The importance of cement fineness in ITZ characterizations such as morphology and thickness is elucidatedThe findings indicate that by increasing the cement fineness the calcium silicate hydrate formation inBy increasing cement fineness by about 25% of, the ITZ thickness of CMSs was reduced by about 30% and

Keywords： cement fineness     interfacial transition zone     compressive and flexural strength    

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Study of bond strength between various grade of Ordinary Portland Cement (OPC) and Portland PozzolaneCement (PPC) mixes and different diameter of TMT bars by using pullout test

A D POFALE, S P WANJARI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 39-45 doi: 10.1007/s11709-013-0193-y

Abstract: Since last two decades, the Portland Pozzolane Cement (PPC) is extensively used in structural concreteThere are many literatures available on bond strength of concrete mixes using Ordinary Portland Cement

Keywords： bond strength     Portland Pozzolane Cement (PPC) concrete     Ordinary Portland Cement (OPC) concrete     bond between    

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Autogenous healing mechanism of cement-based materials

Frontiers of Structural and Civil Engineering   Pages 948-963 doi: 10.1007/s11709-023-0960-3

Abstract: Autogenous self-healing is the innate and fundamental repair capability of cement-based materials forHowever, systematic research on the autogenous healing mechanism of cement-based materials is lackingThe healing process mainly involves a chemical process, including further hydration of unhydrated cementHence, the autogenous healing process is influenced by the material constituents of the cement compositeThis study provides a valuable reference for developing an improved healing technique for cement-based

Keywords： autogenous healing     cement-based materials     healing mechanism     aggregation effect    

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Quantification of hydration products in cementitious materials incorporating silica nanoparticles

L. P. SINGH,A. GOEL,S. K. BHATTACHARYYA,G. MISHRA

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 162-167 doi: 10.1007/s11709-015-0315-9

Abstract: As the hydration time proceeds, the degree of hydration reach to 76% in nano-modified cement paste whereasplain cement achieve up to 63% at 28 days.An influence of degree of hydration on the porosity was also determined.In plain cement paste, the capillary porosity at 1hr is ~48%, whereas in silica nanoparticles added cementThese studies reveal that the hydration mechanism of the cement can be tuned with the incorporation of

Keywords： degree of hydration     porosity     calcium-silicate-hydrate (C-S-H)     silica nanoparticles    

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Research review of the cement sand and gravel (CSG) dam

Xin CAI, Yingli WU, Xingwen GUO, Yu MING

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 19-24 doi: 10.1007/s11709-012-0145-y

Abstract: The cement sand and gravel (CSG) dam is a new style of dam that owes the advantages both of the concrete

Keywords： cement sand and gravel (CSG) dam     cement sand and gravel (CSG) material     research review    

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Experimental study and field application of calcium sulfoaluminate cement for rapid repair of concrete

Yanhua GUAN, Ying GAO, Renjuan SUN, Moon C. WON, Zhi GE

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 338-345 doi: 10.1007/s11709-017-0411-0

Abstract: Type III cement and Calcium Sulfoaluminate (CSA) cement are the most commonly used fast-setting hydrauliccement (FSHC).CSA cement concrete had higher early-age and long term strength.The shrinkage of CSA cement concrete was lower than that of Type III cement concrete.Both CSA and Type III cement concrete had similar CTE values.

Keywords： Calcium Sulfoaluminate (CSA) cement     Type III cement     coefficient of thermal expansion (CTE)     shrinkage    

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Multiscale mechanical modeling of hydrated cement paste under tensile load using the combined DEM-MD

Yue HOU, Linbing WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 270-278 doi: 10.1007/s11709-017-0408-8

Abstract: this paper, a combined DEM-MD method is proposed to simulate the crack failure process of Hydrated Cement

Keywords： hydrated cement paste     multiscale     MD simulation     DEM    

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Title Author Date Type Operation

Extending blending proportions of ordinary Portland cement and calcium sulfoaluminate cement blends:

Journal Article

Hydration, microstructure and autogenous shrinkage behaviors of cement mortars by addition of superabsorbent

Beibei SUN, Hao WU, Weimin SONG, Zhe LI, Jia YU

Journal Article

Appraising the potential of calcium sulfoaluminate cement-based grouts in simulated permafrost environments

Journal Article

Investigation on early hydrates of cement pastes superplasticized by comb-type copolymer

Jiang Yaqing

Journal Article

The effect of SiO

Ismael FLORES-VIVIAN, Rani G.K PRADOTO, Mohamadreza MOINI, Marina KOZHUKHOVA, Vadim POTAPOV, Konstantin SOBOLEV

Journal Article

Molecular Simulation of Cement-based Materials and Their Properties

Ashraf A. Bahraq, Mohammed A. Al-Osta, Omar S. Baghabra Al-Amoudi, I.B. Obot,Mohammed Maslehuddin, Habib-ur-Rehman Ahmed, Tawfik A. Saleh

Journal Article

Experimental investigation of evolutive mode-I and mode-II fracture behavior of fiber-reinforced cemented paste backfill: Effect of curing temperature and curing time

Journal Article

Thermodynamic analysis of ethanol synthesis from hydration of ethylene coupled with a sequential reaction

Jie Gao, Zhikai Li, Mei Dong, Weibin Fan, Jianguo Wang

Journal Article

ITZ microstructure, thickness, porosity and its relation with compressive and flexural strength of cementmortar; influence of cement fineness and water/cement ratio

Journal Article

Study of bond strength between various grade of Ordinary Portland Cement (OPC) and Portland PozzolaneCement (PPC) mixes and different diameter of TMT bars by using pullout test

A D POFALE, S P WANJARI

Journal Article

Autogenous healing mechanism of cement-based materials

Journal Article

Quantification of hydration products in cementitious materials incorporating silica nanoparticles

L. P. SINGH,A. GOEL,S. K. BHATTACHARYYA,G. MISHRA

Journal Article

Research review of the cement sand and gravel (CSG) dam

Xin CAI, Yingli WU, Xingwen GUO, Yu MING

Journal Article

Experimental study and field application of calcium sulfoaluminate cement for rapid repair of concrete

Yanhua GUAN, Ying GAO, Renjuan SUN, Moon C. WON, Zhi GE

Journal Article

Multiscale mechanical modeling of hydrated cement paste under tensile load using the combined DEM-MD

Yue HOU, Linbing WANG

Journal Article