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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: The cement mortar was prepared with type P. II. 52.5 Portland cement, standard sand, and MGO.The testing result shows that the compressive of GO-cement mortar increased by 4.84%–13.42%, and theGO-cement mortar’s compressive strength and flexural strength at 7 d increased by 3.84%–12.08% and 2.54%Still, it can help to improve the microstructure of the cement mortar via regulating hydration productsFurthermore, the regulating action of MGO for the microstructure of cement mortar at an early age was

Keywords： graphene oxide     cement     mortar     mechanical properties     microstructure    

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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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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 embedmentThe other varying parameters such as mortar mixes, sand gradation, w/c ratio and embedded length alsoshowed significant effect on bond behaviour of sisal and coir fibre with the cement mortar mixes.

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

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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 cementmortar.Mortars 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 increasesmortar.

Keywords： Silicon carbide waste     Cement mortar     Fluidity     Strength     Shrinkage    

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Cement mortar with enhanced flexural strength and durability-related properties using

Qing LIU, Renjun LIU, Qiao WANG, Rui LIANG, Zongjin LI, Guoxing SUN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 99-108 doi: 10.1007/s11709-021-0721-0

Abstract: In this study, we developed a new polymer-modified mortar by polymerization of acrylamide (AM) monomersduring the cement setting, which enhanced the flexural and durable performances of mortars.The mechanical properties, micro-and-pore structures, hydrated products, interactions between cementThe mechanical strength of cement pastes modified by polymerization of AM monomers was significantlyof polymer films glued the cement hydrates and polymers and resulted in an interpenetrating network

Keywords： acrylamide     in situ polymerization     interaction     porosity     durability    

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Acid-treated carbon nanotubes and their effects on mortar strength

M. ELKASHEF,K. WANG,M. N. ABOU-ZEID

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 180-188 doi: 10.1007/s11709-015-0325-7

Abstract: The compressive strength of mortar increased with the addition of the acid-treated MWCNTs; however, no

Keywords： carbon nanotubes     concrete     composites     nanomaterials     cement    

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Effect of fineness of ash on pozzolanic properties and acid resistance of sugarcane bagasse ash replaced cement

Shan E ALI; Rizwan AZAM; Muhammad Rizwan RIAZ; Mohamed ZAWAM

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1287-1300 doi: 10.1007/s11709-022-0872-7

Abstract: paper addresses the potential use of Sugar Cane Bagasse Ash (SCBA) as a pozzolanic material for partial cementCement mortars containing SCBA having five different particle size distributions at a replacement rateSCBA with 0% retained on sieve No. 325 was used to replace 20% by weight of cement and create mortar

Keywords： durability     cement replacement     sugarcane bagasse ash     fineness of ash     pozzolanic properties     mortar    

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Experimental study on enhanced coupling of underground explosions by water-filled cavities

Wang Zhanjiang,Cai Zongyi,Zheng Xuefeng,Zhu Yurong

Strategic Study of CAE 2009, Volume 11, Issue 4,   Pages 46-49

Abstract: mortar with 1.6 m in diameter.mortar, the source conditions consisted of tamped source and spherical cavities with a spherical chargeThe effect of cavity decoupling in water is not as good as in cement mortar.When the explosive source is detonated in a water-filled cavity, the stress wave coupled into cementmortar is greatly enhanced.

Keywords： underwater explosions     surrounding rocks enhanced coupling     cement mortar     stress waves     cavity decoupling    

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Experimental investigation on concrete overlaid with textile reinforced mortar: Influences of mix, temperature

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 271-283 doi: 10.1007/s11709-022-0896-z

Abstract: Textile reinforced mortar is widely used as an overlay for the repair, rehabilitation, and retrofittingIn this study, we developed a textile-reinforced mortar mix using river sand and evaluated the differentcharacteristics of the textile-reinforced mortar under various exposure conditions.Investigations were performed on three different thicknesses of the textile reinforced mortar overlaidThe experimental findings indicated the feasibility of using textile reinforced mortar as an overlay

Keywords： textile reinforced mortar     bending tests     acid and alkaline environment     concrete overlay    

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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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Experimental study and assessment of thermal energy storage mortar with paraffin/recycled brick powder

Luchen HAO; Jianzhuang XIAO; Wanzhi CAO; Jingting SUN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1301-1314 doi: 10.1007/s11709-022-0883-4

Abstract: Thermal energy storage recycled powder mortar (TESRM) was developed in this study by incorporating paraffinThe fresh mortar properties and hardened properties were also investigated in this study.Paraffin/BP composite PCM with replacement ratio of 0%, 10%, 20%, and 30% by weight of cement were studiedat later ages, and could also reduce the dry shrinkage of mortar.The thermal properties of TESRM were better than those of normal mortar.

Keywords： recycled powder mortar     recycled brick powder     thermal energy storage     paraffin     phase change material    

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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 on behavior of mortar-aggregate interface after elevated temperatures

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 158-168 doi: 10.1007/s11709-016-0374-6

Abstract: A push-out test program was designed and conducted to study the meso-scale behavior of mortar-aggregateThe MCs and MRACs were designed with different strength grade of mortar and were exposed to differentBesides, effect of temperatures and strength grade of mortar on residual peak load and peak displacementFor MC and MRAC with higher strength of new hardened mortar, the residual peak load kept constant whenFor MRAC with lower strength of new hardened mortar, the residual peak load began to reduce when the

Keywords： mortar-aggregate interface     push-out test     elevated temperatures     modeled concrete (MC)     modeled recycled    

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Title Author Date Type Operation

Mechanical properties and microstructure of multilayer graphene oxide cement mortar

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

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

Gudimella RAMAKRISHNA, Sriraman PRIYADHARSHINI

Journal Article

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

Zhengwu Jiang, Qiang Ren, Haoxin Li, Qing Chen

Journal Article

Cement mortar with enhanced flexural strength and durability-related properties using

Qing LIU, Renjun LIU, Qiao WANG, Rui LIANG, Zongjin LI, Guoxing SUN

Journal Article

Acid-treated carbon nanotubes and their effects on mortar strength

M. ELKASHEF,K. WANG,M. N. ABOU-ZEID

Journal Article

Effect of fineness of ash on pozzolanic properties and acid resistance of sugarcane bagasse ash replaced cement

Shan E ALI; Rizwan AZAM; Muhammad Rizwan RIAZ; Mohamed ZAWAM

Journal Article

Experimental study on enhanced coupling of underground explosions by water-filled cavities

Wang Zhanjiang,Cai Zongyi,Zheng Xuefeng,Zhu Yurong

Journal Article

Experimental investigation on concrete overlaid with textile reinforced mortar: Influences of mix, temperature

Journal Article

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

Journal Article

Experimental study and assessment of thermal energy storage mortar with paraffin/recycled brick powder

Luchen HAO; Jianzhuang XIAO; Wanzhi CAO; Jingting SUN

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 on behavior of mortar-aggregate interface after elevated temperatures

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Journal Article