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Effect of cavity defect on the triaxial mechanical properties of high-performance concrete

Yanbin ZHANG; Zhe WANG; Mingyu FENG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 600-614 doi: 10.1007/s11709-022-0821-5

Abstract: The stress concentration of pipe structure or cavity defect has a great effect on the mechanical propertiesof the high-performance concrete (HPC) members in deep underground locations.effect of the cavity and the confining pressure on the failure mechanisms, strengths, and deformation properties

Keywords： high-performance concrete     cavity     conventional triaxial compression     pressurized liquid     modified power-law    

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Deep learning model for estimating the mechanical properties of concrete containing silica fume exposedto high temperatures

Harun TANYILDIZI, Abdulkadir ŞENGÜR, Yaman AKBULUT, Murat ŞAHİN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1316-1330 doi: 10.1007/s11709-020-0646-z

Abstract: In this study, the deep learning models for estimating the mechanical properties of concrete containingsilica fume subjected to high temperatures were devised.compressive strength and ultrasonic pulse velocity of concrete containing silica fume subjected to high

Keywords： concrete     high temperature     strength properties     deep learning     stacked auto-encoders     LSTM network    

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Rosin side chain type catalyst-free vitrimers with high cross-link density, mechanical strength, and

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1267-1279 doi: 10.1007/s11705-022-2291-7

Abstract: The prepared vitrimers exhibited good self-healing properties, excellent heat resistance (Td = 352 °C) as well as high mechanical properties (tensile strength of 46.75 MPa).the added value of rosin, and provided a novel method for preparing rosin-based vitrimers with ideal properties

Keywords： vitrimers     rosin     catalyst-free     high mechanical properties     dynamic transesterification reaction    

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Exploring the mechanical properties of steel- and polypropylene-reinforced ultra-high-performance concrete

Frontiers of Structural and Civil Engineering   Pages 1228-1248 doi: 10.1007/s11709-023-0931-8

Abstract: This study presents experimental and numerical investigations on the mechanical properties of ultra-high-performancecapable of estimating the tensile and flexural responses as well as the location of the crack with high

Keywords： UHPC     MT-DIC     flexural behavior     tensile behavior     steel fiber     polypropylene fiber    

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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: This study reports on the effects of multilayer graphene oxide (MGO) on compressive strength, flexural strength, and microstructure of cement mortar. The 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 the flexural strength increased by 4.37%–8.28% at 3 d. GO-cement mortar’s compressive strength and flexural strength at 7 d increased by 3.84%–12.08% and 2.54%–13.43%, respectively. MGO made little contribution to the increases of compressive strength and flexural strength of cement mortar at 28 d. The results of X-ray diffraction (XRD), scanning electron microscope (SEM), and nitrogen (N2) adsorption/desorption tests show that the types of hydration products and crystal grain size did not change after adding MGO. Still, it can help to improve the microstructure of the cement mortar via regulating hydration products and can provide more condensed cores to accelerate hydration. Furthermore, the regulating action of MGO for the microstructure of cement mortar at an early age was better than that at 28 d.

Keywords： graphene oxide     cement     mortar     mechanical properties     microstructure    

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Facile synthesis of polyaniline nanorods to simultaneously enhance the mechanical properties and wear

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1254-1266 doi: 10.1007/s11705-023-2297-3

Abstract: To enhance the mechanical properties and wear resistance of epoxy resin, polyaniline nanorods were firstthe phase structures and compositions of polyaniline nanorods, and their positive influences on the mechanicaland tribological properties of epoxy resin were also characterized.

Keywords： epoxy resin     polyaniline nanorods     mechanical property     tribological performance     wear mechanism    

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Molecular dynamics investigation of mechanical properties of single-layer phagraphene

Ali Hossein Nezhad SHIRAZI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 495-503 doi: 10.1007/s11709-018-0492-4

Abstract: , electronic, optical, and thermal properties.The objective of this study is to investigate the mechanical properties of this new graphene like 2DIn this work, mechanical properties of phagraphene have been studied not only in the defect-free formWe studied different crack lengths to explore the influence of defects on the mechanical properties ofWe also investigated the temperature effect on the mechanical properties of pristine and defective phagraphene

Keywords： phaqraphene     mechanical properties     crack propaqation     molecular dynamics     thermal effects    

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Assessment and prediction of the mechanical properties of ternary geopolymer concrete

Jinliang LIU; Wei ZHAO; Xincheng SU; Xuefeng XIE

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1436-1452 doi: 10.1007/s11709-022-0889-y

Abstract: The experimental results were then compared with the predictions based on models of mechanical propertieswhich were in the specific ranges (5% to 7% and 1.1 to 1.5, respectively) had positive effects on the mechanicalproperties of TGC.Fitting models, considering the effects of AC and AAM, were also proposed to predict the mechanical properties

Keywords： Ternary Geopolymer Concrete (TGC)     alkaline activator modulus     alkali content     mechanical properties    

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Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties

Necat ÖZAŞIK; Özgür EREN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 792-802 doi: 10.1007/s11709-022-0849-6

Abstract: Polyethylene terephthalate bottles production has drastically increased year after year due to high versatilityThe objective of this research is to evaluate the mechanical properties of recycled polyethylene terephthalatedetrimental effects up to 1% volume fraction, however further addition caused slight reductions on mechanicalproperties in some conditions.Polyethylene terephthalate fibres were observed to have marked improvements on those properties.

Keywords： recycled PET     fibre-reinforced concrete     mechanical properties     plastic shrinkage     impact energy    

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A comparative study of the mechanical properties, fracture behavior, creep, and shrinkage of chemically

Mahdi AREZOUMANDI, Mark EZZELL, Jeffery S VOLZ

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 36-45 doi: 10.1007/s11709-014-0243-0

Abstract: This study presents the results of an experimental investigation that compares the mechanical propertiesThe high fluidity was achieved with a polycarboxylate-based high-range water-reducing admixture, while

Keywords： admixture     conventional concrete (CC)     creep     fracture mechanic     mechanical Properties     self-consolidating    

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Unified calculation method and its application in determining the uniaxial mechanical properties of concrete

Faxing DING, Xiaoyong YING, Linchao ZHOU, Zhiwu YU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 381-393 doi: 10.1007/s11709-011-0118-6

Abstract: This paper presents a unified calculation method and its application in determining the uniaxial mechanicalproperties of concrete with concrete strengths ranging from 10 to 140 MPa.By analyzing a large collection of test results of the uniaxial mechanical properties of normal-strength, high-strength and super high-strength concrete in China and performing a regression analysis, unifiedcalculation formulas for the mechanical indexes of concrete are proposed that can be applied to various

Keywords： concrete     mechanical properties     stress-strain relationship     uniaxial stress     application    

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Mechanical properties of vanadium-alloyed austempered ductile iron for crankshaft applications

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0746-2

Abstract: properties for crankshaft applications by the combined effect of vanadium (V) alloying and an optimizedproperties.The mechanical properties of the austempered samples were tested comprehensively, and the results wereproperties of GGG60.the dual-phase ausferrite microstructure of V-15 that was austempered at 300 °C for 60 min exhibited high

Keywords： austempered ductile iron (ADI)     vanadium alloying     mechanical properties     crankshafts     retained austenite    

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Combination form analysis and experimental study of mechanical properties on steel sheet glass fiber

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 834-850 doi: 10.1007/s11709-021-0743-7

Abstract: form optimization of different steel core structures and different steel core contents based on the mechanicalproperties.Mechanical tests such as uniaxial tensile, shear, and compressive tests were carried out on SSGCB.Parametric analysis was conducted to investigate the influence of steel content on the mechanical properties

Keywords： steel sheet GFRP composite bar     combination form     numerical modeling     mechanical properties test     strength    

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Effects of coarse and fine aggregates on long-term mechanical properties of sea sand recycled aggregate

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 754-772 doi: 10.1007/s11709-021-0711-2

Abstract: Typical effects of coarse and fine aggregates on the long-term properties of sea sand recycled aggregateVariations in SSRAC properties at different ages are investigated.

Keywords： concrete     recycled coarse aggregate replacement percentage     sea sand chloride ion content     long-term mechanicalproperties     stress–strain curve    

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Dual cross-linked MXene/cellulose nanofiber/nickel alginate film with improved mechanical properties

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1460-1469 doi: 10.1007/s11705-023-2335-7

Abstract: have shown great potential in electromagnetic interference (EMI) shielding materials, while the poor mechanicalproposes a feasible dual-crosslinking and subsequent reduction strategy to synergistically enhance the mechanicalproperties and electromagnetic interference shielding performance of MXene-based composite materials

Keywords： Ti3C2Tx MXene     double crosslinking     mechanical properties     EMI    

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Title Author Date Type Operation

Effect of cavity defect on the triaxial mechanical properties of high-performance concrete

Yanbin ZHANG; Zhe WANG; Mingyu FENG

Journal Article

Deep learning model for estimating the mechanical properties of concrete containing silica fume exposedto high temperatures

Harun TANYILDIZI, Abdulkadir ŞENGÜR, Yaman AKBULUT, Murat ŞAHİN

Journal Article

Rosin side chain type catalyst-free vitrimers with high cross-link density, mechanical strength, and

Journal Article

Exploring the mechanical properties of steel- and polypropylene-reinforced ultra-high-performance concrete

Journal Article

Mechanical properties and microstructure of multilayer graphene oxide cement mortar

Journal Article

Facile synthesis of polyaniline nanorods to simultaneously enhance the mechanical properties and wear

Journal Article

Molecular dynamics investigation of mechanical properties of single-layer phagraphene

Ali Hossein Nezhad SHIRAZI

Journal Article

Assessment and prediction of the mechanical properties of ternary geopolymer concrete

Jinliang LIU; Wei ZHAO; Xincheng SU; Xuefeng XIE

Journal Article

Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties

Necat ÖZAŞIK; Özgür EREN

Journal Article

A comparative study of the mechanical properties, fracture behavior, creep, and shrinkage of chemically

Mahdi AREZOUMANDI, Mark EZZELL, Jeffery S VOLZ

Journal Article

Unified calculation method and its application in determining the uniaxial mechanical properties of concrete

Faxing DING, Xiaoyong YING, Linchao ZHOU, Zhiwu YU

Journal Article

Mechanical properties of vanadium-alloyed austempered ductile iron for crankshaft applications

Journal Article

Combination form analysis and experimental study of mechanical properties on steel sheet glass fiber

Journal Article

Effects of coarse and fine aggregates on long-term mechanical properties of sea sand recycled aggregate

Journal Article

Dual cross-linked MXene/cellulose nanofiber/nickel alginate film with improved mechanical properties

Journal Article