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The stress relaxation of cement clinkers under high temperature

Xiufang WANG,Yiwang BAO,Xiaogen LIU,Yan QIU

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 413-417 doi: 10.1007/s11465-015-0357-7

Abstract:

The energy consumption of crushing is directly affected by the mechanical properties of cement materialsThis research provides a theoretical proof for the mechanism of the stress relaxation of cement clinkersclinker with temperature.Results show that the hardening phenomenon of the clinker becomes apparent with a decrease in temperatureThe elastic modulus and compressive strength of cement clinkers increase with a decrease in temperature

Keywords: stress relaxation     high temperature     cement clinker     compression     elastic modulus    

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    

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    

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    

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    

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    

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    

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    

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: of multilayer graphene oxide (MGO) on compressive strength, flexural strength, and microstructure of cementThe cement mortar was prepared with type P. II. 52.5 Portland cement, standard sand, and MGO.Four mixes were prepared with inclusion of MGO (0%, 0.02%, 0.04%, and 0.06% by weight of cement).The testing result shows that the compressive of GO-cement mortar increased by 4.84%–13.42%, and theMGO made little contribution to the increases of compressive strength and flexural strength of cement

Keywords: graphene oxide     cement     mortar     mechanical properties     microstructure    

Silicon carbide waste as a source of mixture materials for cement mortar

Zhengwu Jiang, Qiang Ren, Haoxin Li, Qing Chen

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0974-y

Abstract: feasibility of recycling silicon carbide waste (SCW) as a source of mixture materials in the production of cementMortars with SCW were prepared by replacing different amounts of cement with SCW, and the propertiesThe shrinkage rate of cement mortar with SCW shows an obvious decrease as the replacement ratio increasesof calcium hydroxide in hardened paste also shows that SCW has some impact on the hydration of the cement-SCWprovides a strategic reference for possibly applying SCW as a mixture material in the production of cement

Keywords: Silicon carbide waste     Cement mortar     Fluidity     Strength     Shrinkage    

Properties of cement grout modified with ultra-fine slag

Sowmini GOPINATHAN, K B ANAND

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 58-66 doi: 10.1007/s11709-017-0383-0

Abstract: The purpose of the study is to obtain a cement grout with improved performance.The grout mixes of the present study contain cement, ultra-fine slag (UFS), super plasticizer and waterProperties like flowability, bleeding, compressive strength and shrinkage of cement grouts have beenThe results show that, cement replacement with slag in grouts could reduce bleeding substantially without

Keywords: cement grout     ultra-fine slag     flowability     bleeding     viscosity    

Assessment of popular techniques for co-processing municipal solid waste in Chinese cement kilns

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1485-4

Abstract:

• Municipal solid waste (MSW) was fermented, screened, gasified, then co-processed.

Keywords: Cement kiln     Co-processing     Environmental risk assessment     By-pass system    

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    

Some Considerations on the Developments of Cement and Concrete

Tang Mingshu

Strategic Study of CAE 2002, Volume 4, Issue 1,   Pages 41-46

Abstract: In the respect of cement classification it was suggested to cancel “ordinary silicate cement”.The cement industry should be gradually changed to “green industry of cementitious materials&The standards and compositions of cement should be reviewed on the basis of technical advances of concreteFinally it was suggested to bring the production, circulation and utilization of cement into line in

Keywords: cement     concrete     durability     classification     standard    

Effect of embedment length of untreated natural fibres on the bond behaviour in cement mortar

Gudimella RAMAKRISHNA, Sriraman PRIYADHARSHINI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 454-460 doi: 10.1007/s11709-017-0454-2

Abstract: The other parameters included in the investigation are water/cement (w/c) ratio, sand gradation and embedmentand embedded length also showed significant effect on bond behaviour of sisal and coir fibre with the cement

Keywords: bond strength     cement mortar     natural fibre     pullout test     type of failure    

Title Author Date Type Operation

The stress relaxation of cement clinkers under high temperature

Xiufang WANG,Yiwang BAO,Xiaogen LIU,Yan QIU

Journal Article

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

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

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

Mechanical properties and microstructure of multilayer graphene oxide cement mortar

Journal Article

Silicon carbide waste as a source of mixture materials for cement mortar

Zhengwu Jiang, Qiang Ren, Haoxin Li, Qing Chen

Journal Article

Properties of cement grout modified with ultra-fine slag

Sowmini GOPINATHAN, K B ANAND

Journal Article

Assessment of popular techniques for co-processing municipal solid waste in Chinese cement kilns

Journal Article

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

Journal Article

Some Considerations on the Developments of Cement and Concrete

Tang Mingshu

Journal Article

Effect of embedment length of untreated natural fibres on the bond behaviour in cement mortar

Gudimella RAMAKRISHNA, Sriraman PRIYADHARSHINI

Journal Article