Bond Strength and Damage of Long Rebar Anchored in HPC under Static and Fatigue Loading
This paper presents an experimental study on the anchorage behaviour of long high-strength steel rebars embedded in high-performance concrete (HPC) under both static loading and fatigue loading. The HPC was designed as C60 with its cube compressive strength larger than 60 MPa, and the high-strength steel bar was adopted as HRB500 with its characteristic yield strength equals 500 MPa. Under 3×106 fatigue loading cycles and then followed by a monotonous static loading, the strain and the stress state of the reinforcement bar, and the bond stress between the concrete and the 700 mm-long bar were investigated. Based on the test results and the ANSYS finite element analysis, the bond behaviour between HPC and long high-strength steel bars is discussed.
M.H. Aliabadi, Qingfen Li, Li Li and F.-G. Buchholz
J. Z. Xiao et al., "Bond Strength and Damage of Long Rebar Anchored in HPC under Static and Fatigue Loading", Key Engineering Materials, Vols. 324-325, pp. 867-870, 2006