Abstract
A study on the bond strength and cyclic bond deterioration of largediameter reinforcing bars embedded in well-confined concrete is presented. The study included monotonic pullout tests and cyclic pull-pull tests conducted on No. 11, No. 14, and No. 18 (36, 43, and 57 mm) reinforcing bars. The bond stress-slip relations obtained from the tests are presented, and the effects of the compressive strength of concrete, bar size, pull direction (for a vertically cast bar), and slip history on the bond strength are examined. Moreover, a phenomenological bond stress-slip law for monotonic and cyclic loading is proposed for bars embedded in well-confined concrete. This law has been validated with experimental results obtained in this study and in previous research.
| Original language | English |
|---|---|
| Pages (from-to) | 659-669 |
| Number of pages | 11 |
| Journal | ACI Structural Journal |
| Volume | 110 |
| Issue number | 4 |
| State | Published - Jul 2013 |
Keywords
- Bond
- Bond-Slip
- Cyclic
- Development Length
- Large-Diameter Bars
- Pullout Tests
- Reinforced Concrete
- Reinforcing Bars
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