Strength Deterioration due to Bond Slip and Concrete Crushing in Modeling of Reinforced Concrete Members

10.14359/770 ◽  
1999 ◽  
Vol 96 (6) ◽  
Keyword(s):  
Reinforced Concrete ◽  
Bond Slip ◽  
Strength Deterioration ◽  
Concrete Members

Study on Bond-Slip Performance of Corroded Reinforced Concrete Members

2012 ◽  
Vol 204-208 ◽  
pp. 1164-1169
Author(s):  
Yan Liang ◽  
Xiao Yong Luo ◽  
Ya Ou ◽  
Ao Zhou Wan
Keyword(s):  
Reinforced Concrete ◽  
Corrosion Rate ◽  
Constitutive Model ◽  
Bonding Strength ◽  
Slip Ratio ◽  
Bond Slip ◽  
Failure Patterns ◽  
Concrete Members ◽  
Reduction Coefficient ◽  
Set Up

According to pull-off test on reinforced concrete specimens with different corrosion rate, their failure patterns, relationship between bonding strength and slippage, variation laws of bonding strength and slippage are studied. The calculating formula of reduction coefficient of bonding strength and slip ratio is proposed. Based on these studies, constitutive model of bond-slip performance for corroded reinforced concrete is set up. It can be seen after verification and analysis that calculated results of this model agree well with trial values, which suggests that the bond-slip constitutive model of this paper is reliable and universal.

Bond-slip analysis of reinforced concrete members

2005 ◽  
Vol 9 (4) ◽  
pp. 509-521 ◽  
Author(s):  
Khalfallah Salah ◽  
Hamimed Smail
Keyword(s):  
Reinforced Concrete ◽  
Bond Slip ◽  
Concrete Members

Bond-slip analysis of reinforced concrete members

2005 ◽  
Vol 9 (4) ◽  
pp. 509-521 ◽  
Author(s):  
Salah Khalfallah ◽  
Smail Hamimed
Keyword(s):  
Reinforced Concrete ◽  
Bond Slip ◽  
Concrete Members

scholarly journals SERVICEABILITY ANALYSIS OF FLEXURAL REINFORCED CONCRETE MEMBERS / LENKIAMŲJŲ GELŽBETONINIŲ ELEMENTŲ TINKAMUMO ANALIZĖ

2012 ◽  
Vol 18 (1) ◽  
pp. 24-29 ◽  
Author(s):  
Gintaris Kaklauskas ◽  
Viktor Gribniak ◽  
Ronaldas Jakubovskis ◽  
Eugenijus Gudonis ◽  
Donatas Salys ◽  
...  
Keyword(s):  
Reinforced Concrete ◽  
Numerical Procedure ◽  
Reinforced Concrete Beams ◽  
Crack Model ◽  
Test Results ◽  
Rigid Plastic ◽  
Bond Slip ◽  
Concrete Members ◽  
Discrete Crack ◽  
Average Bond

The paper presents a simple discrete crack model for analyzing the deformation and crack width of reinforced concrete beams. The model is based on a non-iterative algorithm and uses a rigid-plastic bond-slip law and elastic properties of materials. Curvatures and crack widths predicted by the proposed technique were checked against the test results of six experimental beams, reported by the authors and other investigators. The article also proposes and discusses a numerical procedure for deriving the average bond stress with reference to the test data. Serviceability analysis resulted in a reasonable agreement on the test measurements. Santrauka Straipsnyje pateikiamas supaprastintas diskrečiųjų plyšiu modelis gelžbetoninių sijų deformacijų ir plyšio pločio analizei. Modelis pagrįstas neiteraciniu algoritmu, remiantis standžiai plastiniu sukibimo desniu ir tampriosiomis medžiagų savybėmis. Remiantis skirtingų autorių atliktais eksperimentiniais duomenimis, modelis patikrintas skaičiuojant gelžbetoninių sijų kreivius ir plyšio pločius. Apskaičiuotos kreivių ir plyšio pločių reikšmės gana tiksliai sutapo su eksperimentiniais rezultatais. Taip pat pasiūlytas originalus vidutinių sukibimo įtempių apskaičiavimo metodas, remiantis eksperimentiniais lenkiamujų gelžbetoninių sijų bandymo rezultatais.

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