Keywords: پرتو بتن; Ultrasonic elastic waves; Concrete beam; Crack; Anisotropy;
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Keywords: پرتو بتن; Concrete beam; Corroded reinforcement; Low-cycle; Low-speed; Fatigue test;
Keywords: پرتو بتن; Concrete beam; External prestressing; Creep and shrinkage of concrete;
Keywords: پرتو بتن; Concrete beam; Fracture; Channel steel plate; Strengthening mechanism; Numerical study;
Keywords: پرتو بتن; Tapered fiber sensor; Beam deflection; Crack detection; Concrete beam
Keywords: پرتو بتن; concrete beam; double notches; three-point bending fracture; cohesive zone model
Keywords: پرتو بتن; Sustained load; Concrete beam; FRP; Analytical method; Long-term;
Keywords: پرتو بتن; Flexural performance; Concrete beam; Welded wire mesh; Carbon fibre; Energy absorption
Keywords: پرتو بتن; Corrosion; Concrete beam; Bending test; Reinforced bars; Load-bearing capacity; Ultimate deflection
Durability under freeze-thaw cycles of concrete beams retrofitted with externally bonded FRPs using bio-based resins
Keywords: پرتو بتن; Durability; Freeze-thaw; Concrete beam; Externally bonded; FRP; Bio resin; Coupon;
Reliability analysis of shear strength provisions for FRP-reinforced concrete beams
Keywords: پرتو بتن; Fiber Reinforced Polymer (FRP) bar; Concrete beam; Shear strength; Reliability; FRP-RC beam;
Flexural behaviour of geopolymer concrete beams exposed to elevated temperatures
Keywords: پرتو بتن; Geopolymer; Fly ash; Concrete beam; High temperature; Flexure; Crack width;
A three-dimensional meso-scale modelling of concrete fracture, based on cohesive elements and X-ray μCT images
Keywords: پرتو بتن; Cohesive elements; Concrete beam; Fracture; Interfacial transitional zones; 3D meso-scale approach; FEM; X-ray μCT;
Shear resistance prediction of concrete beams reinforced by FRP bars using artificial neural networks
Keywords: پرتو بتن; ANN; FRP bar; Shear resistance; Concrete beam;
Effect of load distribution on IC debonding in FRP-strengthened RC beams: Full-scale experiments
Keywords: پرتو بتن; FRP; Flexural strengthening; Concrete beam; Debonding; Load distribution; Arching action;
Time dependent behavior of FRP-strengthened RC beams subjected to preload: Experimental study and finite element modeling
Keywords: پرتو بتن; Sustained load; Concrete beam; FRP; Stress-lagging; Cracking pattern;
A Mechanical and Environmental Assessment and Comparison of Basalt Fibre Reinforced Polymer (BFRP) Rebar and Steel Rebar in Concrete Beams
Keywords: پرتو بتن; Basalt fibre reinforced polymer (BFRP); Mechanical performance; Life cycle assessment (LCA); Environmental performance; Concrete beam;
Relationship between the shear capacity and the flexural cracking load of FRP reinforced concrete beams
Keywords: پرتو بتن; Concrete beam; Shear capacity; Cracking load; Fiber reinforced polymer;
Experimental study of the bond performance and mechanical response of GFRP reinforced concrete
Keywords: پرتو بتن; GFRP bar; Bond performance; Concrete beam; Bearing capacity; Crack control
Theory for composite sandwich structures with unsymmetrical wythes and transverse interaction
Keywords: پرتو بتن; Sandwich structures; Transverse interaction; Interlayer slip; Composite theory; Unsymmetrical wythes; Concrete beam; Shear connector
Optimized shear design equation for slender concrete beams reinforced with FRP bars and stirrups using Genetic Algorithm and reliability analysis
Keywords: پرتو بتن; Fiber Reinforced Polymer (FRP) bar; Concrete beam; Shear strength; Genetic Algorithm; Reliability analysis
Two-dimensional simulations of concrete fracture at aggregate level with cohesive elements based on X-ray μCT images
Keywords: پرتو بتن; Concrete beam; Cohesive elements; Interfacial transitional zones; Fracture; Meso-scale finite element method; X-ray μCT;
Predictions of long-term deflection of geopolymer concrete beams
Keywords: پرتو بتن; Geopolymer; Alkali activated; Creep; Shrinkage; Concrete beam; Deflection prediction;
FE investigations of the effect of fluctuating local tensile strength on coupled energetic–statistical size effect in concrete beams
Keywords: پرتو بتن; Autocorrelation length; Concrete beam; Elasto-plasticity; Non-local softening; Random field; Size effect; Strain localization; Tensile strength
Fibers orientation optimization for concrete beam strengthened with a CFRP bonded plate: A coupled analytical-numerical investigation
Keywords: پرتو بتن; Concrete beam; FRP composites; Interfacial stresses; Fibers orientations; Strengthening;
Numerical and experimental studies on damage detection of a concrete beam based on PZT admittances and correlation coefficient
Keywords: پرتو بتن; Damage detection; Concrete beam; Electromechanical impedance (EMI); PZT; Cross-correlation coefficient (CC);
Structural effects of simultaneous loading and reinforcement corrosion on performance of concrete beams
Keywords: پرتو بتن; Concrete beam; Reinforcement corrosion; Applied loads; Simultaneous loading; Ultimate strength; Ductility
Reinforced concrete beams strengthened with carbon fiber reinforced polymer by friction hybrid bond technique: Experimental investigation
Keywords: پرتو بتن; Fiber reinforced polymer; Bonding; Strengthening; Concrete beam; Hybrid technique
Identifying the contributing mechanisms of textile reinforced concrete (TRC) in the case of shear repairing damaged and reinforced concrete beams
Keywords: پرتو بتن; Composite materials; Textile reinforced concrete (TRC); Shear loading; Repair; Concrete beam
FE calculations of a deterministic and statistical size effect in concrete under bending within stochastic elasto-plasticity and non-local softening
Keywords: پرتو بتن; Concrete beam; Elasto-plasticity; Latin hypercube sampling; Non-local softening; Stochastic fields; Size effect; Strain localization; Tensile strength
Cohesive zone model for the prediction of interfacial shear stresses in a composite-plate RC beam with an intermediate flexural crack
Keywords: پرتو بتن; Cohesive zone model; Parabolic shear stress; Flexural crack; FRP plate; Concrete beam
Application of improved hybrid bonded FRP technique to FRP debonding prevention
Keywords: پرتو بتن; Fiber reinforced polymer; Bonding; Strengthening; Concrete beam;
Effect of multiple secondary cracks on FRP debonding from the substrate of reinforced concrete beams
Keywords: پرتو بتن; FRP; Concrete beam; Debonding; Multiple cracks; Analytical model
Calculations of fracture process zones on meso-scale in notched concrete beams subjected to three-point bending
Keywords: پرتو بتن; Aggregate; Characteristic length; Concrete beam; Damage mechanics; Fracture process zone; Heterogeneous material; Meso-scale
Test analysis for FRC beams strengthened with externally bonded FRP sheets
Keywords: پرتو بتن; FRC; Strengthening; Concrete beam; FRP; CFRP; GFRP
FRP debonding from a concrete substrate: Some recent findings against conventional belief
Keywords: پرتو بتن; Composite; FRP retrofitting; Concrete beam; Debonding
Improved theoretical solution for interfacial stresses in concrete beams strengthened with FRP plate
Keywords: پرتو بتن; FRP composites; Interfacial stresses; Plate bonding; Concrete beam; Strengthening; Improved model