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Concrete beams

Cracking behavior of reinforced concrete beams: experiment and simulations on the numerical influence of the steel-concrete bond

Cracking behavior of reinforced concrete beams: experiment and simulations on the numerical influence of the steel-concrete bond

... – concrete bond model which is applied successfully on reinforced concrete ties from (Clement 1987) and (Daoud ...reinforced concrete beams tested in three or four point ...the concrete ...

26

Behavior of high strength fiber reinforced concrete beams in shear

Behavior of high strength fiber reinforced concrete beams in shear

... The objective of this thesis is to investigate experimentally the behavior of high strength fiber reinforced deep concrete beams in shear, in order to arrive at a w[r] ...

124

Analytical study on the behavior of corrosion-damaged reinforced concrete beams strengthen with FRP

Analytical study on the behavior of corrosion-damaged reinforced concrete beams strengthen with FRP

... reinforced concrete beams with carbon fiber reinforced polymer ...substrate concrete, was ...corrosion-damaged beams. Khan et al. [1] investigated a 26-year-old concrete beam exposed to ...

9

Concrete beams submitted to various moisture environments

Concrete beams submitted to various moisture environments

... This paper deals with the effects of various moisture environments on the structural behavior of concrete beams. The presented results were obtained within a large experimental program carried out at the ...

20

Flexural behaviour of reinforced concrete beams strengthened with near surface mounted FRP bars

Flexural behaviour of reinforced concrete beams strengthened with near surface mounted FRP bars

... FLEXURAL BEHAVIOUR OF REINFORCED CONCRETE BEAMS STRENGTHENED WITH NEAR SURFACE MOUNTED FRP BARS.. COMPORTEMENT EN FLEXION DE POUTRES ENBETON ARME RENFORCEES PAR DES ARMA TURES EN PRF.[r] ...

201

Two-Parameter Kinematic Approach for Shear Strength of Deep Concrete Beams with Internal FRP Reinforcement

Two-Parameter Kinematic Approach for Shear Strength of Deep Concrete Beams with Internal FRP Reinforcement

... reinforced concrete beams with small shear-span-to-depth ra- tios (a =d ≤ approximately ...deep beams require modifications, and whether new approaches can offer improved predictions of the shear ...

11

Performance in fire of fibre reinforced polymer strengthened concrete beams including embedded fibre optic sensors

Performance in fire of fibre reinforced polymer strengthened concrete beams including embedded fibre optic sensors

... strengthened concrete beams, the bond properties of FRP materials at high temperature are ...These beams will then be exposed to a standard ASTM fire while under sustained ...

13

ANALYSIS OF REINFORCED CONCRETE BEAMS BY THE EQUIVALENT SECTION METHOD

ANALYSIS OF REINFORCED CONCRETE BEAMS BY THE EQUIVALENT SECTION METHOD

... 7 Conclusions This research presents a procedure for the analysis of reinforced concrete beams considering the simultaneous effect of axial load, bending moment. The shear flow is determined by applying ...

11

Acoustic emission monitoring and quantitative evaluation of damage in concrete beams under creep

Acoustic emission monitoring and quantitative evaluation of damage in concrete beams under creep

... in concrete consisted of evaluating the different modes of failure and stress fields based on moment tensors ( Finck, Yamanouchi, Reinhardt, & Grosse, 2003; Grosse & Finck, 2006; Ohtsu, Kaminaga, & ...

25

Towards improved shear design for reinforced concrete beams strengthened with externally bonded fibre reinforced polymers

Towards improved shear design for reinforced concrete beams strengthened with externally bonded fibre reinforced polymers

... K = 1.68-0.67R, 0.4≤K≤0.8 ACI-440.2R-08 provides two sets of equations for calculating the effective strain in FRP: one for FRP wrapping and another for U-jacketing and side bonding. These equations do not explicitly ...

13

Nonlinear micromechanics-based finite element analysis of the interfacial behaviour of FRP-strenghthened reinforced concrete beams

Nonlinear micromechanics-based finite element analysis of the interfacial behaviour of FRP-strenghthened reinforced concrete beams

... In our applications, the limited numbers of finite element results (43) are insufficient to produce a regression model that adequately represents all other possible cases. Accordingly,[r] ...

242

A numerical model to predict the effect of corrosion on the dynamic behavior of reinforced concrete beams

A numerical model to predict the effect of corrosion on the dynamic behavior of reinforced concrete beams

... CONCLUSIONS AND FURTHER WORK The objective of the study reported in this paper was to develop an efficient computational model of RC members. A model to account for the rebar swelling due to corrosion in a fiber beam ...

9

Cyclic load resistance of reinforced concrete beams retrofitted with composite laminates

Cyclic load resistance of reinforced concrete beams retrofitted with composite laminates

... When testing crack propagation in metals, thickness is an important consideration since it can affect the mode of propagation. Research has shown that fatigue cracking [r] ...

90

Design of prestressed, fabric-formed concrete beams

Design of prestressed, fabric-formed concrete beams

... This thesis seeks to assess the feasibility and performance of fabric formed, prestressed beams with a keyhole cross-section, while varying parameters such as concrete strength[r] ...

82

Behavior of reinforced concrete beams by confined oblique rods

Behavior of reinforced concrete beams by confined oblique rods

... The specific objectives of this study are: verifying the applicability of the proposed method of reinforcement of the beams by oblique connecting rods confined by a metallic embedded gr[r] ...

1

Factors governing redistribution of moment in continuous prestressed concrete beams

Factors governing redistribution of moment in continuous prestressed concrete beams

... The extent of redistribution moment that can be attained before the failure of a continuous prestressed concrete beam depends on span-depth ratio, cross-sectional shape, loading type, pa[r] ...

21

2012 — Shear strengthening of reinforced-concrete beams using advanced composite materials

2012 — Shear strengthening of reinforced-concrete beams using advanced composite materials

... The beams had the following dimensions: 152 mm × 381 mm × 2743 ...strengthened beams, eight were retrofitted with CFRP and the remainder with aramid ...the beams in flexure in order to inhibit any ...

223

Behavior of High Strength Fiber-Reinforced Concrete beams under cyclic loading

Behavior of High Strength Fiber-Reinforced Concrete beams under cyclic loading

... For each series, the concrete is severely degraded by tensile stresses at peak:, and the maximal load gain obtained by fibers actually induces a drop in ductility due to a seve[r] ...

6

Design, fabrication, and testing of plain concrete beams using topology optimization

Design, fabrication, and testing of plain concrete beams using topology optimization

... Algorithms have been developed that could assign different material behavior to multiple materials within continuum, accounting for the different material properties o[r] ...

45

Debonding failure of CFRP reinforced concrete beams and in-situ monitoring schemes

Debonding failure of CFRP reinforced concrete beams and in-situ monitoring schemes

... JYdQ represents the bulk energy dissipation (mostly concrete cracking), fjEcdQ represents the plastic energy dissipation due to steel reinforcement yielding, and JGfdAf represents [r] ...

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