Full-range mechanical behavior study of FRP-to-concrete interface for pull-pull bonded joints

2019 ◽  
Vol 164 ◽  
pp. 333-344 ◽  
Author(s):  
Sanxing Liu ◽  
Hong Yuan ◽  
Jiayu Wu
2019 ◽  
Vol 34 (2) ◽  
pp. 337-344 ◽  
Author(s):  
Yisa Fan ◽  
Jingxin Na ◽  
Wenlong Mu ◽  
Guofeng Qin ◽  
Wei Tan

2013 ◽  
Vol 774-776 ◽  
pp. 493-498
Author(s):  
San Xing Liu ◽  
Hong Yuan ◽  
Jun Han

Loading behavior studies on FRP-concrete interface are refined enough. Because of the complexity of the problem, there exist relatively few unloading behavior studies. Occurrence mechanism of unloading needs to be clarified. Through a combination of theory and finite element method, this paper studied the unloading behavior involved in interfacial failure process under an exponential softening law, clarified when and where unloading occurred and estimated the effect of unloading.


2016 ◽  
Vol 47 (1) ◽  
pp. 1783-1785
Author(s):  
Tsungwei Lin ◽  
SS Hsu ◽  
Baker Wang ◽  
Li Wei Shih ◽  
JJ Lih

2012 ◽  
Vol 166-169 ◽  
pp. 3269-3272
Author(s):  
Li Ying Xu

In order to meet the necessity of the code for seismic design of buildings: Principle for strong connections and feebleness member. The exernal steel tube of column and steel beam are joining with three kinds of style. Containing two strengthen styles T-style stiffening plate and appending haunch. The result reveals that the two strengthen connections ultimate load are much bigger, good ductility, better seismic behavior. The deformation of the column and the region of the connection is smaller when it was broken, Indicating the connections’s globality is better and the stiffness is bigger. It avoids brittleness for breaking styles when they are given more load.


2012 ◽  
Vol 204-208 ◽  
pp. 1109-1117
Author(s):  
Hui Peng ◽  
Shu Yu Yu ◽  
Chun Sheng Cai ◽  
Wei Wei Liu

The bonding behavior of CFRP-concrete interface has important influence on the mechanical behavior and the failure mode of the strengthened structure. In this paper, a total of 4 specimens strengthened with CFRP plate were prepared and the double-shear tests were conducted to investigate the mechanical behavior and the failure mode of the CFRP-concrete bonding. During the tests, the on the ultimate bearing capacity and the distribution of the CFRP strains were measured and the influence of bonding lengths and thickness of the epoxy were discussed. According to the test results, the distribution of the CFRP strain along the bonding length shows an exponential decreasing law, and the strain in the vicinity of the loading position was much greater than that at the ends. Based on the test data, the finite element model of the specimens was developed, by using the orthotropic spring elements to simulate the adhesive layer with ANSYS software. The comparison of the analytical results and the experimental results indicates that both results have shown a good agreement.


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