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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

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Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1488-1

Abstract:

• Adding kaolin/zeolite promotes the formation of stable heavy metals.

Keywords： Co-pyrolysis Sewage sludge Heavy metals Rotary kiln Immobilization mechanism

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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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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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Enhancement Effect Towards Heat Transfer of Rotary Kiln by Intermittent Contact Between Material andKiln Wall

Lei Xianming,Xiao Yougang

Strategic Study of CAE 2006, Volume 8, Issue 8, Pages 39-44

Abstract:

In rotary kiln cluster moves against kiln wall.thermal conductivity of cluster and contact heat transfer coefficient of boundary between cluster and kilnCombined with other research harvests, the heat transfer model of rotary kiln is established.： the temperature of material is lower when the enhancement effect towards heat transfer of rotary kilnby intermittent contact between material and kiln wall has been ignored; the higher the temperature,

Keywords： material covered wall heat transfer enhancement effect

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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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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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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

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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

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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 clinkersvarious temperatures during the cooling process to study the changes in the grinding resistance of the cementeffects of high temperature on the load-displacement curve, compressive strength, and elastic modulus of cementThe elastic modulus and compressive strength of cement clinkers increase with a decrease in temperature

Keywords： stress relaxation high temperature cement clinker compression elastic modulus

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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

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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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Title Author Date Type Operation

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

Journal Article

Co-pyrolysis of sludge and kaolin/zeolite in a rotary kiln: Analysis of stabilizing heavy metals

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

Enhancement Effect Towards Heat Transfer of Rotary Kiln by Intermittent Contact Between Material andKiln Wall

Lei Xianming,Xiao Yougang

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