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Key technical innovations in the construction of Baihetan Hydropower Station Project

Frontiers of Engineering Management 2023, Volume 10, Issue 2,   Pages 367-372 doi: 10.1007/s42524-023-0253-5

Abstract: Key technical innovations in the construction of Baihetan Hydropower Station Project

Keywords： ultra-high arch dam     columnar jointed basalt     low-heat cement concrete     temperature controlled crack    

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Technology improvements and management innovations in construction of Xiluodu hydropower station on Jinsha River

Qixiang FAN

Frontiers of Engineering Management 2017, Volume 4, Issue 2,   Pages 231-237 doi: 10.15302/J-FEM-2017103

Abstract: Hongtao ZHOU, Hongwei WANG, Wei ZENG. [J]. Front. Eng, 2018, 5(1): 78-87.Peter REDFERN, Hua ZHONG. [J]. Front. Eng, 2017, 4(2): 193-200.Ming-zhou Liu,Cong-hu Liu,Mao-gen Ge,Yuan Zhang,Qing-hua Zhu. [J]. Front. Eng, 2016, 3(2): 144-146.Chong-guang Feng,Hao Hu,Feng Xu,Jian Yang. [J]. Front. Eng, 2015, 2(2): 178-181.Yu Zhao,Sheng-quan Wang,Ke-chao Zhu. [J]. Front. Eng, 2015, 2(1): 35-38.Ru-gui Chen,Jia-meng Chen. [J]. Front. Eng, 2014, 1(1): 52-61.An Wang. [J]. Front. Eng, 2014, 1(1): 13-17.

Keywords： super-high arch dam     intelligent construction     mass concrete temperature control     structure behavior control     anti-erosion concrete     low-heat portland cement     large-discharge and high-velocity spillway tunnels     large    

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Recovery of waste heat in cement plants for the capture of CO

Ruifeng DONG, Zaoxiao ZHANG, Hongfang LU, Yunsong YU

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 104-111 doi: 10.1007/s11705-011-1166-0

Abstract: A large part of the energy used in the making of cement is released as waste heat.A process to capture CO by integrating the recovery and utilization of waste heat has been designed.Aspen Plus software was used to calculate the amount of waste heat and the efficiency of energy utilizationwith a cement output of 1 Mt/y.According to the calculations: 1) the generating capacity of the waste heat recovery system is 4.9 MW

Keywords： cement industry     waste heat     recovery     utilization     CO2 removal    

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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 concreteBut, till to date, a few literature is available on bond strength of concrete using PPC mixes.There are many literatures available on bond strength of concrete mixes using Ordinary Portland CementIn the present investigation, total 24 samples consisting of M20, M35 and M50 grades of concrete and

Keywords： bond strength     Portland Pozzolane Cement (PPC) concrete     Ordinary Portland Cement (OPC) concrete     bond betweenconcrete and steel     pullout test     development length    

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Long-Term Performance and Microstructural Characterization of Dam Concrete in the Three Gorges Project

Chen Lyu,Cheng Yu,Chao Lu,Li Pan,Wenwei Li,Jiaping Liu,

Engineering doi: 10.1016/j.eng.2023.04.017

Abstract: over ten years and the microstructure of 17-year-old laboratory concrete and actual concrete cores drilledMicrostructural analyses of the laboratory concrete samples demonstrated that moderate-heat cement andstudy, both macro performance and microstructural analyses revealed that the application of moderate-heatcement and FA resulted in a dense and homogenous microstructure, which ensured the excellent long-termperformance of concrete from the Three Gorges Dam after 17 years.

Keywords： Three Gorges Dam     Long-term performance     Microstructural analysis     Moderate-heat cement     Fly ash    

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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: In this study, the properties of Type III and CSA cement concrete, including compressive strength, coefficientCSA 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.The data collected during and after the repair show that the CSA cement concrete had good short-term

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

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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-basedThe 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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Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate

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: for different values of water−cement ratio and replacement rate of recycled coarse aggregate (RCA).beams were tested respectively by changing water−cement ratio and RCA replacement rate.rate of RCA than by adjusting the water−cement ratio.The water−cement ratio has an evident influence on the axial compressive strength and early creep ofconcrete beams.

Keywords： recycled concrete     beam     the replacement rate of recycled coarse aggregate     water–cement ratio     digital    

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Some Considerations on the Developments of Cement and Concrete

Tang Mingshu

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

Abstract:

According to the cases of deterioration of big concrete structures investigated in Canada, it wasIn 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    

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Recent developments in the application of oil palm fibers in cement composites

Emmanuel Owoichoechi MOMOH, Adelaja Israel OSOFERO

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 94-108 doi: 10.1007/s11709-019-0576-9

Abstract: therefore become necessary to organize information which would be useful in the design of oil palm fiber cementparts of the oil palm, their properties, enhancement techniques, current and potential application in cement

Keywords： broom     cement composite     concrete     oil palm fiber     Natural fiber-concrete     sustainability    

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

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-based concretethe cubic compressive strength and curing age, the axial and cubic compressive strength of MPC-based concreteThe results showed that with the increase of MSF volume fraction, the fluidity of fresh MPC-based concrete

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

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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 °grouts at the early stage at low temperatures.Consequently, 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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Fuel poverty and low carbon emissions: a comparative study of the feasibility of the hybrid renewableenergy systems incorporating combined heat and power technology

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 336-356 doi: 10.1007/s11708-021-0748-x

Abstract: to identify a grid connected renewable energy system coupled with natural gas reciprocating combined heatThe system was also aimed at low carbon emissions.

Keywords： greenhouse gas control     low carbon target     grid connected     renewable fraction     fuel poverty     combinedheat and power     HOMER Pro    

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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 effect of SAP on hydration, autogenous shrinkage, mechanical properties, and microstructure of cementInfluences of SAP on hydration heat and autogenous shrinkage were studied by utilizing TAM AIR technologyAlthough 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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Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 428-434 doi: 10.1007/s11709-009-0059-5

Abstract: Cement-stabilized soil bases have been widely used in expressways due to its high strength, appropriateSo far, the structural characteristics and mechanical behaviors of cement-stabilized soil bases wereelement method (FEM) was used to analyze the mechanical behaviors and structural characteristics of cement-stabilizedsoil bases were studied under asphalt-concrete pavement conditions.Furthermore, the general rules of deformations and stresses in cement-stabilized soil bases under different

Keywords： different     strength     asphalt-concrete pavement     FEM     appropriate stiffness    

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Title Author Date Type Operation

Key technical innovations in the construction of Baihetan Hydropower Station Project

Journal Article

Technology improvements and management innovations in construction of Xiluodu hydropower station on Jinsha River

Qixiang FAN

Journal Article

Recovery of waste heat in cement plants for the capture of CO

Ruifeng DONG, Zaoxiao ZHANG, Hongfang LU, Yunsong YU

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

Long-Term Performance and Microstructural Characterization of Dam Concrete in the Three Gorges Project

Chen Lyu,Cheng Yu,Chao Lu,Li Pan,Wenwei Li,Jiaping Liu,

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

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

Journal Article

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

Jingwei YING; Feiming SU; Shuangren CHEN

Journal Article

Some Considerations on the Developments of Cement and Concrete

Tang Mingshu

Journal Article

Recent developments in the application of oil palm fibers in cement composites

Emmanuel Owoichoechi MOMOH, Adelaja Israel OSOFERO

Journal Article

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

Journal Article

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

Journal Article

Fuel poverty and low carbon emissions: a comparative study of the feasibility of the hybrid renewableenergy systems incorporating combined heat and power technology

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

Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Journal Article