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Effects of natural zeolite and sulfate ions on the mechanical properties and microstructure of plasticconcrete

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 86-98 doi: 10.1007/s11709-021-0793-x

Abstract: strategic materials used in earth-fill embankment dams and in modifying and preventing groundwater flow is plasticconcrete (PlC).

Keywords： plastic concrete     sulfate resistance     natural zeolite     triaxial compression test     SEM     permeability    

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Predetermination of potential plastic hinges on reinforced concrete frames using GFRP reinforcement

Dominik KUERES; Dritan TOPUZI; Maria Anna POLAK

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 624-637 doi: 10.1007/s11709-022-0832-2

Abstract: past, glass fiber-reinforced polymer (GFRP)-reinforcement has been successfully applied in reinforced concreteBased on this idea, this paper presents a novel concept for the predetermination of potential plasticresults underscore the high efficiency of hybrid steel-GFRP RC sections for predetermining potential plasticimproved by means of GFRP as both the column base shear force during the seismic activity as well as the plastic

Keywords： glass fiber-reinforced polymer     GFRP     hybrid section     plastic hinge     seismic design     reinforced concrete    

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Modeling of bentonite/sepiolite plastic concrete compressive strength using artificial neural network

Ali Reza GHANIZADEH, Hakime ABBASLOU, Amir Tavana AMLASHI, Pourya ALIDOUST

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 215-239 doi: 10.1007/s11709-018-0489-z

Abstract: Plastic concrete is an engineering material, which is commonly used for construction of cut-off wallsnetwork (ANN) and support vector machine (SVM) to predict the compressive strength of bentonite/sepiolite plasticFor this purpose, two unique sets of 72 data for compressive strength of bentonite and sepiolite plasticconcrete samples (totally 144 data) were prepared by conducting an experimental study.Finally, the influence of different variables on the plastic concrete compressive strength values was

Keywords： bentonite/sepiolite plastic concrete     compressive strength     artificial neural network     support vector machine    

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Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical propertiesof concrete

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: To deal with this concern, recycled polyethylene terephthalate bottles were incorporated in concrete(RPFRC) in comparison with control concrete without fibres. polyethylene terephthalate fibres with threetwo lengths (20 and 30 mm) were added at various proportions (0.5%, 1.0%, 1.5% and 2.0%) by volume of concretedetermine the effect of fibres initially on compressive, flexural and splitting tensile strengths of concretePlastic shrinkage resistance and impact resistance tests were also performed according to related standards

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

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Effects of microfine aggregate in manufactured sand on bleeding and plastic shrinkage cracking of concrete

Branavan ARULMOLY; Chaminda KONTHESINGHA; Anura NANAYAKKARA

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1453-1473 doi: 10.1007/s11709-022-0877-2

Abstract: industries have started to utilize manufactured sand (MS) as an effective alternative for river sand in concretespecifically 0%, 3%, 6%, 9%, and 12% (by weight) as the partial replacements of MS on bleeding and plasticshrinkage cracking of concrete.In addition to the varying MFA levels, some concrete mixes also included fly ash (FA) and superplasticizerThe bleeding test data were taken as on-site measurements, while the cracks from the plastic shrinkage

Keywords： manufactured sand     fresh concrete     microfines     admixtures     shrinkage     cracking    

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Experimental, analytical and numerical studies on concrete encased trapezoidally web profiled cold formed

Divahar RAVI, Aravind Raj PONSUBBIAH, Sangeetha Sreekumar PRABHA, Joanna Philip SARATHA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 930-946 doi: 10.1007/s11709-020-0652-1

Abstract: Concrete encased with trapezoidally corrugated web profiled cold-formed steel beams are used worldwidehigher load carrying capacity as well as significant increase in the bending stiffness by encasing concreteTo find the effect of concrete encasement in the web, 12 experiments were conducted by two differentFrom the static bending tests the concrete encased trapezoidally corrugated web beam showed improvedencased with cold-formed steel beams by exhibiting its super elasto-plastic property.

Keywords： concrete encased beam     trapezoidally corrugated web     loading capacity     super elasto-plastic    

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Moving policy and regulation forward for single-use plastic alternatives

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-021-1423-5

Abstract: The innovation of sustainable and environmentally friendly single-use plastic alternative materials andThe development of single-use plastic alternative products can be promoted fundamentally only by improving

Keywords： Single-use plastic alternatives     Policy     Regulation     Sustainable development    

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Current scenario and challenges of plastic pollution in Bangladesh: a focus on farmlands and terrestrial

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1666-4

Abstract:

● A global snapshot of plastic waste generation and disposal is analysed

Keywords： Plastic waste     Farmlands     Terrestrial ecosystem     Marine life    

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Generalized Plastic Mechanics and Its Application

Zheng Yingren,Kong Liang

Strategic Study of CAE 2005, Volume 7, Issue 11,   Pages 21-36

Abstract:

The development of geotechnical plasticity is reviewed and some problems of applying the classic plasticBy giving up the three hypotheses, a generalized plastic potential theory can be obtained from solidmechanics directly, and then the traditional plastic mechanics can be changed to a more generalized plasticmechanics, namely generalized plastic mechanics (GPM).adopting the normality-flow law can be avoided, and the error caused by the arbitrary assumption of plastic

Keywords： geotechnical plastic mechanics     generalized plastic mechanics     plastic potential     yield surface     constitutive    

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Preventing masks from becoming the next plastic problem

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1413-7

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The road to sustainable use and waste management of plastics in Portugal

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 5-5 doi: 10.1007/s11783-021-1439-x

Abstract:

• Portugal recycles 34% of the 40 kg/hab year of plastic packaging waste

Keywords： Single-use plastics     Plastic packaging     Plastic waste     Waste management     Waste shipment     Lightweightplastic bags    

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Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 318-330 doi: 10.1007/s11709-017-0420-z

Abstract:

The objective of this study is, to interpret the influence of reinforced concrete walls addition inreinforced concrete frame structures considering behavior laws that reflects the actual behavior offocused on the behavior of a RC frame with 3 levels and three bays to better visualize the behavior of plasticOnce the plastic hinge control parameters are identified (plastic rotation, ultimate curvature), a strengtheningby introduction of reinforced concrete walls (RC/wall) at the ends of the reinforced concrete frame

Keywords： RC/frame     RC/wall     moment curvature     plastic rotation     plastic hinge     pushover analysis     global models    

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Several basic problems in plastic theory of geomaterials

Yuanxue LIU, Jiawu ZHOU, Zhongyou LI, Chen CHEN, Yingren ZHENG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 81-84 doi: 10.1007/s11709-009-0016-3

Abstract: Moreover, several basic problems of plastic theory of geomaterials were discussed.not; the yield surface of geomaterials is not unique, and its number is the same as the freedoms of plastic

Keywords： constitutive relation     geomaterials     classial plastic theory     Drucker Postulate     yield surface     flow rule    

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Multi-Component Resource Recycling from Waste Light-Emitting Diode Under Hydrothermal Condition: Plastic

Yongliang Zhang,Lu Zhan,Zhenming Xu,

Engineering doi: 10.1016/j.eng.2023.04.008

Abstract: This work developed a closed reaction vessel, where the degradation rate of plastic polyphthalamide (PPA) was close to 100%, with nano-TiO2 encapsulated in plastic PPA being efficiently recoveredBesides, the role of water in plastic PPA degradation that has been overlooked in current studies wasFurthermore, this research provides a theoretical basis and a promising method for recycling other plastic-packaged

Keywords： Waste LED     Hydrothermal treatment     Recycling     Plastic PPA degradation     Packaging materials    

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density measurement for plastic injection molding via ultrasonic technology

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0714-2

Abstract: Density variation during the injection molding process directly reflects the state of plastic melt and

Keywords： ultrasonic measurement     melt density     in-situ measurement     injection molding    

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Title Author Date Type Operation

Effects of natural zeolite and sulfate ions on the mechanical properties and microstructure of plasticconcrete

Journal Article

Predetermination of potential plastic hinges on reinforced concrete frames using GFRP reinforcement

Dominik KUERES; Dritan TOPUZI; Maria Anna POLAK

Journal Article

Modeling of bentonite/sepiolite plastic concrete compressive strength using artificial neural network

Ali Reza GHANIZADEH, Hakime ABBASLOU, Amir Tavana AMLASHI, Pourya ALIDOUST

Journal Article

Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical propertiesof concrete

Necat ÖZAŞIK; Özgür EREN

Journal Article

Effects of microfine aggregate in manufactured sand on bleeding and plastic shrinkage cracking of concrete

Branavan ARULMOLY; Chaminda KONTHESINGHA; Anura NANAYAKKARA

Journal Article

Experimental, analytical and numerical studies on concrete encased trapezoidally web profiled cold formed

Divahar RAVI, Aravind Raj PONSUBBIAH, Sangeetha Sreekumar PRABHA, Joanna Philip SARATHA

Journal Article

Moving policy and regulation forward for single-use plastic alternatives

Journal Article

Current scenario and challenges of plastic pollution in Bangladesh: a focus on farmlands and terrestrial

Journal Article

Generalized Plastic Mechanics and Its Application

Zheng Yingren,Kong Liang

Journal Article

Preventing masks from becoming the next plastic problem

Journal Article

The road to sustainable use and waste management of plastics in Portugal

Journal Article

Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Journal Article

Several basic problems in plastic theory of geomaterials

Yuanxue LIU, Jiawu ZHOU, Zhongyou LI, Chen CHEN, Yingren ZHENG

Journal Article

Multi-Component Resource Recycling from Waste Light-Emitting Diode Under Hydrothermal Condition: Plastic

Yongliang Zhang,Lu Zhan,Zhenming Xu,

Journal Article

density measurement for plastic injection molding via ultrasonic technology

Journal Article