Responses of Reinforced Concrete Members Including Bond-Slip Effects

10.14359/9628 ◽  
2000 ◽  
Vol 97 (6) ◽  
2012 ◽  
Vol 166-169 ◽  
pp. 1395-1398
Author(s):  
Cao Xiu Li ◽  
De Jian Shen ◽  
Pei Ling He ◽  
Xian Feng Dong ◽  
Hong Fei Zhang

Bond-slip performance between section steel and concrete has effect on crack width of steel reinforced concrete(SRC)beams based on experimental results. Current standards about SRC structures do not involve bond-slip effects when calculating the crack width of SRC beams, and this is not valid exactly . This article describes a new method of crack width calculation for SRC beams, which considering the bond-slip effects on crack width. Crack width of SRC beams are divided into two parts: one part ignoring the bond-slip between steel and concrete, and the other part considering additional crack width caused by the bond-slip. The total crack width is the sum of the two parts. Results show that the proposed method in this article is coincide with experimental study.


2012 ◽  
Vol 204-208 ◽  
pp. 1164-1169
Author(s):  
Yan Liang ◽  
Xiao Yong Luo ◽  
Ya Ou ◽  
Ao Zhou Wan

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.


2005 ◽  
Vol 9 (4) ◽  
pp. 509-521 ◽  
Author(s):  
Khalfallah Salah ◽  
Hamimed Smail

2005 ◽  
Vol 9 (4) ◽  
pp. 509-521 ◽  
Author(s):  
Salah Khalfallah ◽  
Smail Hamimed

2012 ◽  
Vol 18 (1) ◽  
pp. 24-29 ◽  
Author(s):  
Gintaris Kaklauskas ◽  
Viktor Gribniak ◽  
Ronaldas Jakubovskis ◽  
Eugenijus Gudonis ◽  
Donatas Salys ◽  
...  

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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