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Concrete is the most widely utilized construction material in the world. Thus, any action intended to enhance the sustainability of the construction industry must consider the supply chain, production, distribution demolition and eventual disposal, landfilling or recycling of this composite material. High-performance concrete may be one of the most effective options to make the construction sector more sustainable. Experience proves that the use of recycled concrete aggregates, as well as the partial replacement of ordinary Portland cement with other supplementary cementitious materials or alternative binders, are generally accepted as the most realistic solutions to reduce the environmental impacts, leading to sufficiently high mechanical performances. In structural applications such as those concerning the seismic and energy retrofitting of existing buildings, the use of high-performance cementitious composites often represents the more cost-effective solution, which allows us to minimize the costs of the intervention and the environmental impact. Eventually, the challenge of enhancing sustainability by raising durability of concrete structures is particularly relevant in those applications where maintenance is particularly expensive and impactful, in terms of both direct intervention costs and indirect costs deriving from downtime. The present Special Issue aims at providing readers with the most recent research results on the aforementioned subjects and further foster a collaboration between the scientific community and the industrial sector on a common commitment towards sustainable concrete constructions.

Technology: general issues --- History of engineering & technology --- recycled concrete aggregate --- recycled aggregate concrete --- durability --- freeze-thaw cycles --- mechanical properties --- concrete --- recycled concrete --- recycled aggregate --- shrinkage --- slags --- cement replacement --- existing beams --- retrofitting method --- environmental assessment --- fly ash --- moment–curvature relationship --- precast elements --- basalt --- concrete properties --- recycled natural basalt --- recycled concrete powder --- seismic retrofitting --- multilayer coating --- Steel Fiber Reinforced Mortar --- energy performance of buildings --- point thermal bridges --- thermal behavior in summer --- case study --- prestressed concrete --- prestress losses --- bridges --- flexural strength --- shear strength --- drying and autogenous shrinkage --- creep --- sustainability --- shear bond --- UHPFRC --- push-off test --- tensile bond strength --- concrete overlay --- strengthening --- existing infrastructures --- digital microscopy --- surface roughness --- mortars --- MSWI bottom ash --- pozzolanic activity --- supplementary cementing materials --- water-retaining structures --- aggressive environment --- n/a --- moment-curvature relationship

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The innovations in construction materials that have been made due to the development of different varieties of concrete have led to innovations in structural applications and design. This Special Issue mainly focuses on state-of-the-art research progress in high-performance concrete, including the effect and characteristics of fibers on the properties of high-performance concrete, the CO2 curing efficiency of high-performance cement composites, and the effect of nano materials when used in ultra-high-performance concrete. This Special Issue also contains two comprehensive review articles covering the following topics: the role of supplementary cementitious materials in ultra-high-performance concrete and recent progress in nanomaterials in cement-based materials. Readers working towards conducting research on innovative construction materials will be exposed to findings related to this topic in this Special Issue.

Technology: general issues --- History of engineering & technology --- ultrahigh-performance concrete --- nanosilica --- dynamic light scattering --- zeta potential --- pore solution --- alkali-activator --- GGBFS --- Na2O content --- Ms (SiO2/Na2O) --- workability --- setting time --- steel fiber --- fiber content --- aspect ratio --- toughness index --- high-strength concrete --- fibers --- smart materials --- fiber/matrix bond --- physical properties --- heat treatment --- alkali-activated material --- calcium sulfoaluminate-based expansive additive --- concrete shrinkage --- modulus of elasticity --- shrinkage stress --- SIFRCC --- fiber volume fraction --- direct tensile strength --- energy absorption capacity --- direct tensile test --- carbon nanotubes --- cement-based materials --- concrete infrastructure --- graphene --- graphene oxide --- mechanical strength --- nanomaterials --- nano-Al2O3 --- nano-Fe2O3 --- nano-SiO2 --- nano-TiO2 --- smart infrastructure --- slurry-infiltrated fiber-reinforced cementitious composite --- high-performance fiber-reinforced cementitious composite --- compressive stress --- stress-strain relationship --- filling slurry matrix --- bio-slime --- sulfate attack --- chloride attack --- service life --- multi-layer diffusion --- repair --- concrete --- dynamic compression --- Split Hopkinson Pressure Bars (SPHB) --- brittle materials --- simulation --- calcined zeolite sand --- ultra-high-performance concrete --- pre-wetted --- autogenous shrinkage --- internal curing --- reactive powder concrete --- strength --- basalt fibers --- abrasion --- porosity --- microscopic image processing --- X-ray CT analysis --- porous cementitious materials --- 3D tomographic image --- CO2 curing --- size effect --- colloidal silica --- cement-based material --- casting method --- ultra-high performance fiber-reinforced concrete --- densified silica fume --- agglomeration --- pozzolanic reaction --- densification --- alternative alkali-activated material --- ground granulated blast-furnace slag --- strength development --- CSA expansive additive --- ultrasonic pulse velocity --- temperature --- high performance concrete (HPC) --- C-shape magnetic probe test --- fibre orientation angle --- flexural test --- attenuation factor --- ultra-high-performance steel fiber-reinforced concrete --- multiscale finite element modeling --- multi-point constraint --- multi-scale interface connection --- concrete damage plasticity model --- ABAQUS --- ultra high-performance concrete (UHPC) --- supplementary cementitious materials (SCMs) --- sustainability --- compressive strength --- flowability --- shrinkage --- railway sleeper --- static bending test --- numerical simulation --- structural performance --- high performance fiber reinforced concrete (HPFRC) --- polypropylene fiber (PP) --- polyvinyl alcohol fiber (PVA) --- residual flexural strength --- splitting tensile strength --- ultrahigh-performance concrete --- nanosilica --- dynamic light scattering --- zeta potential --- pore solution --- alkali-activator --- GGBFS --- Na2O content --- Ms (SiO2/Na2O) --- workability --- setting time --- steel fiber --- fiber content --- aspect ratio --- toughness index --- high-strength concrete --- fibers --- smart materials --- fiber/matrix bond --- physical properties --- heat treatment --- alkali-activated material --- calcium sulfoaluminate-based expansive additive --- concrete shrinkage --- modulus of elasticity --- shrinkage stress --- SIFRCC --- fiber volume fraction --- direct tensile strength --- energy absorption capacity --- direct tensile test --- carbon nanotubes --- cement-based materials --- concrete infrastructure --- graphene --- graphene oxide --- mechanical strength --- nanomaterials --- nano-Al2O3 --- nano-Fe2O3 --- nano-SiO2 --- nano-TiO2 --- smart infrastructure --- slurry-infiltrated fiber-reinforced cementitious composite --- high-performance fiber-reinforced cementitious composite --- compressive stress --- stress-strain relationship --- filling slurry matrix --- bio-slime --- sulfate attack --- chloride attack --- service life --- multi-layer diffusion --- repair --- concrete --- dynamic compression --- Split Hopkinson Pressure Bars (SPHB) --- brittle materials --- simulation --- calcined zeolite sand --- ultra-high-performance concrete --- pre-wetted --- autogenous shrinkage --- internal curing --- reactive powder concrete --- strength --- basalt fibers --- abrasion --- porosity --- microscopic image processing --- X-ray CT analysis --- porous cementitious materials --- 3D tomographic image --- CO2 curing --- size effect --- colloidal silica --- cement-based material --- casting method --- ultra-high performance fiber-reinforced concrete --- densified silica fume --- agglomeration --- pozzolanic reaction --- densification --- alternative alkali-activated material --- ground granulated blast-furnace slag --- strength development --- CSA expansive additive --- ultrasonic pulse velocity --- temperature --- high performance concrete (HPC) --- C-shape magnetic probe test --- fibre orientation angle --- flexural test --- attenuation factor --- ultra-high-performance steel fiber-reinforced concrete --- multiscale finite element modeling --- multi-point constraint --- multi-scale interface connection --- concrete damage plasticity model --- ABAQUS --- ultra high-performance concrete (UHPC) --- supplementary cementitious materials (SCMs) --- sustainability --- compressive strength --- flowability --- shrinkage --- railway sleeper --- static bending test --- numerical simulation --- structural performance --- high performance fiber reinforced concrete (HPFRC) --- polypropylene fiber (PP) --- polyvinyl alcohol fiber (PVA) --- residual flexural strength --- splitting tensile strength

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The innovations in construction materials that have been made due to the development of different varieties of concrete have led to innovations in structural applications and design. This Special Issue mainly focuses on state-of-the-art research progress in high-performance concrete, including the effect and characteristics of fibers on the properties of high-performance concrete, the CO2 curing efficiency of high-performance cement composites, and the effect of nano materials when used in ultra-high-performance concrete. This Special Issue also contains two comprehensive review articles covering the following topics: the role of supplementary cementitious materials in ultra-high-performance concrete and recent progress in nanomaterials in cement-based materials. Readers working towards conducting research on innovative construction materials will be exposed to findings related to this topic in this Special Issue.

ultrahigh-performance concrete --- nanosilica --- dynamic light scattering --- zeta potential --- pore solution --- alkali-activator --- GGBFS --- Na2O content --- Ms (SiO2/Na2O) --- workability --- setting time --- steel fiber --- fiber content --- aspect ratio --- toughness index --- high-strength concrete --- fibers --- smart materials --- fiber/matrix bond --- physical properties --- heat treatment --- alkali-activated material --- calcium sulfoaluminate-based expansive additive --- concrete shrinkage --- modulus of elasticity --- shrinkage stress --- SIFRCC --- fiber volume fraction --- direct tensile strength --- energy absorption capacity --- direct tensile test --- carbon nanotubes --- cement-based materials --- concrete infrastructure --- graphene --- graphene oxide --- mechanical strength --- nanomaterials --- nano-Al2O3 --- nano-Fe2O3 --- nano-SiO2 --- nano-TiO2 --- smart infrastructure --- slurry-infiltrated fiber-reinforced cementitious composite --- high-performance fiber-reinforced cementitious composite --- compressive stress --- stress-strain relationship --- filling slurry matrix --- bio-slime --- sulfate attack --- chloride attack --- service life --- multi-layer diffusion --- repair --- concrete --- dynamic compression --- Split Hopkinson Pressure Bars (SPHB) --- brittle materials --- simulation --- calcined zeolite sand --- ultra-high-performance concrete --- pre-wetted --- autogenous shrinkage --- internal curing --- reactive powder concrete --- strength --- basalt fibers --- abrasion --- porosity --- microscopic image processing --- X-ray CT analysis --- porous cementitious materials --- 3D tomographic image --- CO2 curing --- size effect --- colloidal silica --- cement-based material --- casting method --- ultra-high performance fiber-reinforced concrete --- densified silica fume --- agglomeration --- pozzolanic reaction --- densification --- alternative alkali-activated material --- ground granulated blast-furnace slag --- strength development --- CSA expansive additive --- ultrasonic pulse velocity --- temperature --- high performance concrete (HPC) --- C-shape magnetic probe test --- fibre orientation angle --- flexural test --- attenuation factor --- ultra-high-performance steel fiber-reinforced concrete --- multiscale finite element modeling --- multi-point constraint --- multi-scale interface connection --- concrete damage plasticity model --- ABAQUS --- ultra high-performance concrete (UHPC) --- supplementary cementitious materials (SCMs) --- sustainability --- compressive strength --- flowability --- shrinkage --- railway sleeper --- static bending test --- numerical simulation --- structural performance --- high performance fiber reinforced concrete (HPFRC) --- polypropylene fiber (PP) --- polyvinyl alcohol fiber (PVA) --- residual flexural strength --- splitting tensile strength

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This book was proposed and organized as a means to present recent developments in the field of testing of materials and elements in civil engineering. For this reason, the articles highlighted in this editorial relate to different aspects of testing of different materials and elements in civil engineering, from building materials to building structures. The current trend in the development of testing of materials and elements in civil engineering is mainly concerned with the detection of flaws and defects in concrete elements and structures, and acoustic methods predominate in this field. As in medicine, the trend is towards designing test equipment that allows one to obtain a picture of the inside of the tested element and materials. Interesting results with significance for building practices were obtained.

Technology. --- rock bolt --- grouting quality --- dynamic response --- natural frequency --- finite element method --- monitoring --- historical masonry wall --- hygrothermal processes --- internal insulation --- testing of building materials --- test uncertainty --- validation of test methods --- sustainable test methods --- recycling --- foamed asphalt mixtures with cement (FAC) --- base layer --- reclaimed asphalt pavement (RAP) --- fatigue durability --- GFRP --- FRP reinforcement --- shear --- capacity --- reinforced concrete beams --- column --- stiffness --- FRCM --- PBO mesh --- PBO–FRCM --- carpentry joints --- scarf and splice joints --- stop-splayed scarf joints (‘bolt of lightning’) --- static behaviour --- experimental research --- concrete --- non-destructive testing --- ultrasounds --- ultrasonic tomography --- acoustic methods --- defects --- diagnostic --- detection --- convolutional neural networks --- transfer learning --- monitoring FBG --- power transmission tower --- civil engineering --- X-ray microtomography --- microstructure characteristics --- infiltration damage --- high-strength concrete --- steel fibres --- flexural tensile strength --- fracture energy --- numerical analysis --- concrete floors --- compressive strength --- strength distribution --- industrial floors --- ultrasound tests --- ventilated facades --- large-scale facade model --- fire safety --- fiber cement board --- large-slab ceramic tile --- plasterboards --- moisture content --- hydration processes --- mechanical properties --- ultrasound measurements --- ESD resin --- expansion joint --- quasi-plastic material --- energy absorption --- asphalt mix --- compaction index --- volumetric parameters --- stiffness modulus --- moisture resistance --- roughness --- texture --- close-range photogrammetry --- bond strength --- random field generation --- semivariograms --- hybrid truss bridge --- steel–concrete connection joint --- mechanical behavior --- failure mode --- strain --- static test --- static elastic modulus --- dynamic elastic modulus --- machine learning --- P-wave --- S-wave --- resonance frequency test --- nondestructive method --- Al–Ti laminate --- fracture --- acoustic emission diagnostic --- pattern recognition --- clustering AE signal --- storage systems --- tab connector --- flexural test --- capable design moment --- restrained ring test --- autogenous shrinkage cracking --- concrete cracking test --- concrete shrinkage cracking test --- restrined ring calibration --- cement–fiber boards --- acoustic emission method --- k-means algorithm --- wavelet analysis --- fiber composites --- ground penetrating radar (GPR) --- HMA dielectric constant --- road pavement thickness estimation --- early age concrete --- damage processes detection before loading --- strength of structures --- aggregate --- classification --- wire mesh --- roundness --- tilting angle --- opening size --- concrete centrifugation --- morphology --- image processing --- porosity --- cement --- waste paper sludge ash (WPSA) --- controlled low-strength material (CLSM) --- unconfined compressive strength --- bearing capacity --- backfill material --- P-wave velocity --- amplitude attenuation --- resistivity --- CT scan --- sandstone --- damage variable --- nuclear magnetic resonance --- spin-lattice relaxometry --- proton --- hydration kinetics --- superplasticizer --- ready-mixed concrete --- construction material --- quality assessment --- conformity criteria --- statistical-fuzzy method --- FRTP --- rivet --- connection --- polyethylene pipe --- mechanical properties of polyethylene --- resistance strain --- computer simulation --- residual shear stress --- particle crushing --- ring shear test --- particle flow code (PFC2D) --- frictional work --- fibre-reinforced concrete --- recycled steel fibres --- micro-computed tomography --- scanning electron microscopy --- tensile strength --- reinforced concrete --- diagnostic testing --- corrosion --- carbonation --- galvanostatic pulse method --- phase composition analysis --- X-ray analysis --- thermal analysis --- quasi-brittle cement composites --- low-module polypropylene fibres --- elastic range --- digital image correlation --- Arcan shear test --- wood --- orthotropic shear modulus --- elastic-plastic material --- shear wave velocity --- sand --- bender elements test --- grain-size characteristics --- complex modulus --- shrinkage analysis --- reclaimed asphalt --- mineral–cement emulsion mixtures --- cement dusty by-products (UCPPs) --- degradation of glass panels --- effective area ratio --- relative mass loss --- visible light transmittance --- windblown sand --- wood-plastic composites --- methods of testing resistance to fungi --- methods of assessment --- ground-penetrating radar (GPR) --- non-destructive techniques (NDT) --- corrosion of reinforcement --- slip resistance --- granite floor --- slip resistance value --- ramp test --- acceptance angle --- sliding friction coefficient --- comparability of test methods --- wall temperature --- fibre bragg grating sensors --- freeze-thaw cycles --- signal analysis --- short-time Fourier transform --- fast Fourier transform --- brine --- sodium chloride --- X-ray --- partition walls --- brick walls --- bending strength --- cracking --- post-tension --- cable --- girder --- destructive test --- non-destructive test --- structural health monitoring --- safety --- monitoring fibre Bragg grating --- mining areas --- strain/stress distribution --- geopolymer concrete --- fly-ash --- bottom-ash --- neural network --- sustainability --- industrial waste management --- flexural strength --- cladding --- AE acoustic emission --- micro-events --- sound spectrum --- traditional and quasi-brittle cement composites --- residual-state creep --- saturation front --- landslides --- erosional stability --- laboratory testing --- grout mixtures --- groundwater --- test apparatus --- testing --- building materials --- elements

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

This book was proposed and organized as a means to present recent developments in the field of testing of materials and elements in civil engineering. For this reason, the articles highlighted in this editorial relate to different aspects of testing of different materials and elements in civil engineering, from building materials to building structures. The current trend in the development of testing of materials and elements in civil engineering is mainly concerned with the detection of flaws and defects in concrete elements and structures, and acoustic methods predominate in this field. As in medicine, the trend is towards designing test equipment that allows one to obtain a picture of the inside of the tested element and materials. Interesting results with significance for building practices were obtained.

Technology. --- rock bolt --- grouting quality --- dynamic response --- natural frequency --- finite element method --- monitoring --- historical masonry wall --- hygrothermal processes --- internal insulation --- testing of building materials --- test uncertainty --- validation of test methods --- sustainable test methods --- recycling --- foamed asphalt mixtures with cement (FAC) --- base layer --- reclaimed asphalt pavement (RAP) --- fatigue durability --- GFRP --- FRP reinforcement --- shear --- capacity --- reinforced concrete beams --- column --- stiffness --- FRCM --- PBO mesh --- PBO–FRCM --- carpentry joints --- scarf and splice joints --- stop-splayed scarf joints (‘bolt of lightning’) --- static behaviour --- experimental research --- concrete --- non-destructive testing --- ultrasounds --- ultrasonic tomography --- acoustic methods --- defects --- diagnostic --- detection --- convolutional neural networks --- transfer learning --- monitoring FBG --- power transmission tower --- civil engineering --- X-ray microtomography --- microstructure characteristics --- infiltration damage --- high-strength concrete --- steel fibres --- flexural tensile strength --- fracture energy --- numerical analysis --- concrete floors --- compressive strength --- strength distribution --- industrial floors --- ultrasound tests --- ventilated facades --- large-scale facade model --- fire safety --- fiber cement board --- large-slab ceramic tile --- plasterboards --- moisture content --- hydration processes --- mechanical properties --- ultrasound measurements --- ESD resin --- expansion joint --- quasi-plastic material --- energy absorption --- asphalt mix --- compaction index --- volumetric parameters --- stiffness modulus --- moisture resistance --- roughness --- texture --- close-range photogrammetry --- bond strength --- random field generation --- semivariograms --- hybrid truss bridge --- steel–concrete connection joint --- mechanical behavior --- failure mode --- strain --- static test --- static elastic modulus --- dynamic elastic modulus --- machine learning --- P-wave --- S-wave --- resonance frequency test --- nondestructive method --- Al–Ti laminate --- fracture --- acoustic emission diagnostic --- pattern recognition --- clustering AE signal --- storage systems --- tab connector --- flexural test --- capable design moment --- restrained ring test --- autogenous shrinkage cracking --- concrete cracking test --- concrete shrinkage cracking test --- restrined ring calibration --- cement–fiber boards --- acoustic emission method --- k-means algorithm --- wavelet analysis --- fiber composites --- ground penetrating radar (GPR) --- HMA dielectric constant --- road pavement thickness estimation --- early age concrete --- damage processes detection before loading --- strength of structures --- aggregate --- classification --- wire mesh --- roundness --- tilting angle --- opening size --- concrete centrifugation --- morphology --- image processing --- porosity --- cement --- waste paper sludge ash (WPSA) --- controlled low-strength material (CLSM) --- unconfined compressive strength --- bearing capacity --- backfill material --- P-wave velocity --- amplitude attenuation --- resistivity --- CT scan --- sandstone --- damage variable --- nuclear magnetic resonance --- spin-lattice relaxometry --- proton --- hydration kinetics --- superplasticizer --- ready-mixed concrete --- construction material --- quality assessment --- conformity criteria --- statistical-fuzzy method --- FRTP --- rivet --- connection --- polyethylene pipe --- mechanical properties of polyethylene --- resistance strain --- computer simulation --- residual shear stress --- particle crushing --- ring shear test --- particle flow code (PFC2D) --- frictional work --- fibre-reinforced concrete --- recycled steel fibres --- micro-computed tomography --- scanning electron microscopy --- tensile strength --- reinforced concrete --- diagnostic testing --- corrosion --- carbonation --- galvanostatic pulse method --- phase composition analysis --- X-ray analysis --- thermal analysis --- quasi-brittle cement composites --- low-module polypropylene fibres --- elastic range --- digital image correlation --- Arcan shear test --- wood --- orthotropic shear modulus --- elastic-plastic material --- shear wave velocity --- sand --- bender elements test --- grain-size characteristics --- complex modulus --- shrinkage analysis --- reclaimed asphalt --- mineral–cement emulsion mixtures --- cement dusty by-products (UCPPs) --- degradation of glass panels --- effective area ratio --- relative mass loss --- visible light transmittance --- windblown sand --- wood-plastic composites --- methods of testing resistance to fungi --- methods of assessment --- ground-penetrating radar (GPR) --- non-destructive techniques (NDT) --- corrosion of reinforcement --- slip resistance --- granite floor --- slip resistance value --- ramp test --- acceptance angle --- sliding friction coefficient --- comparability of test methods --- wall temperature --- fibre bragg grating sensors --- freeze-thaw cycles --- signal analysis --- short-time Fourier transform --- fast Fourier transform --- brine --- sodium chloride --- X-ray --- partition walls --- brick walls --- bending strength --- cracking --- post-tension --- cable --- girder --- destructive test --- non-destructive test --- structural health monitoring --- safety --- monitoring fibre Bragg grating --- mining areas --- strain/stress distribution --- geopolymer concrete --- fly-ash --- bottom-ash --- neural network --- sustainability --- industrial waste management --- flexural strength --- cladding --- AE acoustic emission --- micro-events --- sound spectrum --- traditional and quasi-brittle cement composites --- residual-state creep --- saturation front --- landslides --- erosional stability --- laboratory testing --- grout mixtures --- groundwater --- test apparatus --- testing --- building materials --- elements