Bond behaviour between corroded steel bars and concrete under different strain rates

2015 ◽  
pp. 1-15 ◽  
Author(s):  
Wei-Ping Zhang ◽  
Hui Chen ◽  
Xiang-Lin Gu
2016 ◽  
Vol 68 (7) ◽  
pp. 364-378 ◽  
Author(s):  
Wei-Ping Zhang ◽  
Hui Chen ◽  
Xiang-Lin Gu

2011 ◽  
Vol 82 ◽  
pp. 86-91 ◽  
Author(s):  
Ezio Cadoni ◽  
Matteo Dotta ◽  
Daniele Forni ◽  
Nicoletta Tesio

In this paper the preliminary results of the tensile behavior of reinforced steel in a large range of strain rates are presented. Tensile testing at several strain rates, using different experimental set-ups, was carried out. For the quasi-static tests a universal electromechanical testing machine with the maximum load-bearing capacity of 50 kN was used, while for the intermediate and high-strain rate regimes a hydro-pneumatic apparatus and a JRC-Split Hopkinson Tensile Bar respectively were used. The target strain rates were set at the following five levels: 10-3, 30, 250, 500, and 1000 1/s. The specimens used in this research were round samples having 3mm in diameter and 5mm of gauge length obtained from reinforcing bars. Finally, the material parameters for Cowper-Symonds and Johnson-Cook models were determined.


2015 ◽  
Vol 49 (6) ◽  
pp. 2097-2111 ◽  
Author(s):  
Xinxin Li ◽  
Zhimin Wu ◽  
Jianjun Zheng ◽  
Abdulmajid Alahdal ◽  
Wei Dong

2016 ◽  
Vol 68 (3) ◽  
pp. 127-140 ◽  
Author(s):  
Wei-ping Zhang ◽  
Hui Chen ◽  
Xiang-lin Gu

2013 ◽  
Vol 48 ◽  
pp. 348-359 ◽  
Author(s):  
Yuxi Zhao ◽  
Hongwei Lin ◽  
Kang Wu ◽  
Weiliang Jin

This paper presents an experimental study on the bond behaviour of sand-coated basalt fibre reinforced polymer (BFRP) bars and conventional steel bars of 10mm- diameter. The bond strength of these bars were determined according to ASTM D7913/D7913M-14 standards. The pullout specimens consisted of BFRP bars embedded in concrete cubes (200mm on each side) with the compressive strength of 40MPa were constructed. The pullout test results contain the bond failure mode, the average bond strength , the slip at the free and loaded end, and the bond stress-slip relationship curves.The test results showed that the bond strength of sand-coated BFRP bars was about 70% that of the steel bars.


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