Advances in Civil Engineering / 2017 / Article / Tab 8

Research Article

Bond Effects between Concrete and Steel Bar Using Different Diameter Bars and Different Initial Crack Width

Table 8

Pull-out forces and bond strength of all specimens.

Crack widthBar diameter 10 mmBar diameter 14 mmBar diameter 18 mm
Specimen namePull-out force kNBond strength MPaSpecimen namePull-out force kNBond strength MPaSpecimen namePull-out force kNBond strength MPa

0COD10RE19.189.95C0D14RE41.0510.86C0D18RE65.4610.48
0COD10WD23.1211.99C0D14WD42.3211.20C0D18WD63.8710.22
80C80D10WD17.999.33C80D14WD33.688.91C80D18WD50.528.08
150C150D10WD23.0811.96C150D14WD43.6011.53C150D18WD64.6810.35
210C210D10WD19.8510.29C210D14WD48.2212.76C210D18WD65.6610.51

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