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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 °generation of a significant quantity of hydration products, which indicates the rapid hydration of CSA cement-basedConsequently, the CSA cement-based grouts exhibit remarkably high early strength.The findings show that the strength of grouts fabricated using CSA cement can develop rapidly in cold

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

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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 strengthdevelopment of OPC-CSA blend-based mixtures.TGA) and X-ray diffraction (XRD) were conducted to help understand the performance of OPC-CSA blend-basedAt 90 d, the average UCS of the OPC-CSA blend-based mortars was 39.2 ± 1.7 MPa.

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

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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).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.Based on the laboratory results, the CSA cement was selected as the partial-depth rapid repair material

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

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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 lackingand carbonation of calcium oxide and calcium hydroxide.In this study, different factors influencing the healing process of cement-based materials were investigatedThis 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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Experimental study on mechanical properties of a novel micro-steel fiber reinforced magnesium phosphate cement-based

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1047-1057 doi: 10.1007/s11709-021-0755-3

Abstract: Magnesium phosphate cement (MPC) received increased attention in recent years, but MPC-based concreteThe micro-steel fibers (MSF) were added to MPC-based concrete to enhance its ductility due to the highinvestigates the effect of MSF volume fraction on the mechanical properties of a new pattern of MPC-basedBased on the test results, the correlations between the cubic compressive strength and curing age, theaxial and cubic compressive strength of MPC-based concrete were proposed.

Keywords： magnesium phosphate cement-based concrete     micro-steel fibers     four-point flexural strength     compressive    

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Microbial self-healing of cracks in cement-based materials and its influencing factors

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0986-6

Abstract: Cement-based materials are brittle and crack easily under natural conditions.The results showed that microbial self-healing agents can repair cracks in cement-based materials inA microbial self-healing agent was embedded in the cement-based material, which automatically repaired

Keywords： cement-based materials     cracks     microbial self-healing agent     mechanism     intelligent building materials    

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Effect of size on biaxial flexural strength for cement-based materials by using a triangular plate method

Hakan T TURKER

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8,   Pages 1017-1028 doi: 10.1007/s11709-022-0871-8

Abstract: The effect of size on the biaxial flexural strength (BFS) of Portland cement mortar was investigatedAn experimental program was conceived to study the size effect by keeping a constant water-cement ratioof 0.485, cement-sand ratio of 1:2.75, and using unreinforced triangular mortar plates of five differenttriangular plate specimen side length and specimen thickness led to a decrease in the BFS of Portland cement

Keywords： testing     apparatus & methods     plain concrete     tensile properties     biaxial flexural strength     triangular plate method    

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Characterization of 3D microstructure, thermal conductivity, and heat flow of cement-based foam using

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 643-651 doi: 10.1007/s11709-021-0709-9

Abstract: This study presents the results of the 3D microstructure, thermal conductivity, and heat flow in cement-basedImages were captured using X-ray micro computed tomography (micro-CT) imaging technique on cement-basedBased on the analysis, the pore volume of 11000 µm3 was determined across the three densitiesThe 3D model showed that heat flows through the cement paste solids and with an increase in porosity

Keywords： 3D pore volume distribution     X-ray tomography     3D shape factor     heat flow    

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Effect of surgical factors on the augmentation of cement-injectable cannulated pedicle screw fixationby a novel calcium phosphate-based nanocomposite

Haolin Sun, Chun Liu, Shunlun Chen, Yanjie Bai, Huilin Yang, Chunde Li, Lei Yang

Frontiers of Medicine 2019, Volume 13, Issue 5,   Pages 590-601 doi: 10.1007/s11684-019-0710-z

Abstract: Bone cement-augmented pedicle screw system demonstrates great efficacy in spinal disease treatments.However, the intrinsic drawbacks associated with clinically used polymethylmethacrylate (PMMA) cementdemands for new bone cement formulations.On the basis of our previous studies, a novel injectable and biodegradable calcium phosphate-based nanocompositesimulated and animal osteoporotic bone models, and the results were compared with those of clinical PMMA cement

Keywords： bone cement     pedicle screw     degenerative spinal diseases     calcium phosphate     injectable    

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High-Performance and Multifunctional Cement-Based Composite Material Article

Victor C. Li

Engineering 2019, Volume 5, Issue 2,   Pages 250-260 doi: 10.1016/j.eng.2018.11.031

Abstract: Based on recent advances in engineered cementitious composites (ECC), this paper suggests that concrete

Keywords： High-performance concrete     Multifunction     Smart     Cement-based composite     Durability     Resilience     Sustainability    

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Chemical mapping of cement pastes by using confocal Raman spectroscopy

Fengjuan LIU,Zhihui SUN

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 168-173 doi: 10.1007/s11709-015-0323-9

Abstract: In the present study, chemical mapping on the hydration process of cement paste with water-to-cementCement ingredients and hydration products, including calcium silicates (C S and C S), calcium hydroxideFrom the research, it is observed that calcium silicates were consumed gradually with the increased hydrationCalcium hydroxide increased and tended to cluster in the pore vicinity during hydration.to form on the surface of the unreacted particles, which was shown as a mixed zone of ettringite and calcium

Keywords： chemical mapping     Raman spectroscopy     calcium silicates     calcium hydroxide     ettringite    

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Cement-based solidification/stabilization of contaminated soils by nitrobenzene

Jianguo LIU, Xiaoqin NIE, Xianwei ZENG, Zhaoji SU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 437-443 doi: 10.1007/s11783-012-0406-y

Abstract: The cement-based solidification/stabilization (S/S) of nitrobenzene (NB) contaminated soils, with cementThe leaching test results showed that the factors affecting S/S efficiency were NB concentration, cement-to-limeThe optimizing formula, that is, contaminated soils (dry weight):cement:lime= 100:25:25, with 5 wt% additional

Keywords： solidification/stabilization     nitrobenzene     contaminated soils     powder activated carbon    

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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.In this regard, the molecular simulation of cement-based materials is an effective approach to studythe properties and interactions of the cement system at the fundamental scale.

Keywords： Atomistic simulation     Molecular dynamics     Cement phases     Hydration products     Nanoengineering    

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Reaction mechanism of arsenic capture by a calcium-based sorbent during the combustion of arsenic-contaminated

Mei Lei, Ziping Dong, Ying Jiang, Philip Longhurst, Xiaoming Wan, Guangdong Zhou

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1110-y

Abstract:

Pilot-scale combustion is required to treat arsenic-enriched biomass in China.

CaO addition to arsenic-enriched biomass reduces arsenic emission.

CaO captures arsenic via chemical adsorption to form Ca3(AsO4)2.

Keywords： Arsenic contamination     Phytoremediation     Emission control     Calcium-based sorbent     Biomass disposal     Pilot-scale    

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Adsorption properties of polycarboxylate ether-based superplasticizer on cement particles and their resultant

Jinyoung YOON; Byoung Il CHOI; Jae Hong KIM

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 506-514 doi: 10.1007/s11709-022-0813-5

Abstract: The cement dispersion performance of a polycarboxylate (PCE)-based superplasticizer is highly relatedBased on the measurement of PCE adsorption, the changes of rheological properties of cementitious materialsas well as the number of dispersed cement particles were characterized using a rheometer and laser spectroscopyThe experimental results support the systematic mechanism of PCE adsorption, cement dispersion, and the

Keywords： adsorption     polycarboxylate     superplasticizer     rheology     dispersion    

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Title Author Date Type Operation

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

Journal Article

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

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

Autogenous healing mechanism of cement-based materials

Journal Article

Experimental study on mechanical properties of a novel micro-steel fiber reinforced magnesium phosphate cement-based

Journal Article

Microbial self-healing of cracks in cement-based materials and its influencing factors

Journal Article

Effect of size on biaxial flexural strength for cement-based materials by using a triangular plate method

Hakan T TURKER

Journal Article

Characterization of 3D microstructure, thermal conductivity, and heat flow of cement-based foam using

Journal Article

Effect of surgical factors on the augmentation of cement-injectable cannulated pedicle screw fixationby a novel calcium phosphate-based nanocomposite

Haolin Sun, Chun Liu, Shunlun Chen, Yanjie Bai, Huilin Yang, Chunde Li, Lei Yang

Journal Article

High-Performance and Multifunctional Cement-Based Composite Material

Victor C. Li

Journal Article

Chemical mapping of cement pastes by using confocal Raman spectroscopy

Fengjuan LIU,Zhihui SUN

Journal Article

Cement-based solidification/stabilization of contaminated soils by nitrobenzene

Jianguo LIU, Xiaoqin NIE, Xianwei ZENG, Zhaoji SU

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

Reaction mechanism of arsenic capture by a calcium-based sorbent during the combustion of arsenic-contaminated

Mei Lei, Ziping Dong, Ying Jiang, Philip Longhurst, Xiaoming Wan, Guangdong Zhou

Journal Article

Adsorption properties of polycarboxylate ether-based superplasticizer on cement particles and their resultant

Jinyoung YOON; Byoung Il CHOI; Jae Hong KIM

Journal Article