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RISComparison of Bond Strength of Steel Bars in Normal- and High-Strength Concrete
Publisher: American Society of Civil Engineers
Abstract: A comparative analytical study of the average bond strength at failure of reinforcing bars embedded in unconfined normal-strength concrete (NSC) and high-strength concrete (HSC) is undertaken. The analysis makes use of an ...
Bond Behavior in Steel Fiber-Reinforced Concrete Zones under Static and Cyclic Loading: Experimental Evaluations and Analytical Modeling
Publisher: American Society of Civil Engineers
Abstract: There is a renewed interest in using steel fiber reinforcement within the critical hinging regions of reinforced concrete (RC) members as a means for improving their seismic response. Examples include beam-column joints, ...
Behavior of Partially Prestressed Concrete Joints Under Cyclic Loading
Publisher: American Society of Civil Engineers
Abstract: A model for predicting the moment‐rotation relationship of partially prestressed concrete beam‐column joints under generalized excitations is presented. The model accounts for both the inelastic rotation in the beam inelastic ...
Numerical Bond Analysis Using Experimentally Derived Local Bond Laws: A Powerful Method for Evaluating the Bond Strength of Steel Bars
Publisher: American Society of Civil Engineers
Abstract: The transfer of forces across the interface between steel bars and concrete through bond is one of the most important aspects that control the behavior of reinforced concrete members. This paper summarizes the results of ...
Seismic Behavior of RC Columns with Bond-Critical Regions: Criteria for Bond Strengthening Using External FRP Jackets
Publisher: American Society of Civil Engineers
Abstract: In 2003, an experimental research program was initiated at the American University of Beirut with the objectives of (1) evaluating the effectiveness of external fiber-reinforced polymer (FRP) confinement in improving the ...
Proposed Modification of AASHTO-LRFD for Computing Stress in Unbonded Tendons at Ultimate
Publisher: American Society of Civil Engineers
Abstract: In 1998, AASHTO-LRFD adopted a new equation for evaluating the stress
Bond Stress–Slip Model for Steel Bars in Unconfined or Steel, FRC, or FRP Confined Concrete under Cyclic Loading
Publisher: American Society of Civil Engineers
Abstract: An experimentally based relationship of the cyclic local bond stress–slip response of steel bars corresponding to splitting mode of bond failure is developed. The relationship is composed of a monotonic envelope response ...
Effect of Steel Fibers on Bond Performance of Steel Bars in NSC and HSC under Load Reversals
Publisher: American Society of Civil Engineers
Abstract: This study concentrates on experimental evaluation of the effect of fiber reinforcement on the bond response of steel bars under load reversals. Beam specimens with symmetrical spliced top and bottom steel bars were used ...
Static and Fatigue Tests on Partially Prestressed Beams
Publisher: American Society of Civil Engineers
Abstract: The fatigue behavior of 12 different sets of partially prestressed concrete beams was experimentally investigated. All beams were rectangular,
Slip of Steel Bars in Concrete Joints Under Cyclic Loading
Publisher: American Society of Civil Engineers
Abstract: A closed form solution for predicting the generalized slip response of reinforcing steel bars anchored inside beam‐column joints is presented. It allows computation of bond stresses, steel stresses, and slip distribution ...