<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The results of an experimental program conducted on seventeen simply supported concrete beams to study the effect of transverse reinforcement on the behavior of the lap splice of a steel reinforcement in tension zones in high-strength concrete beams are presented. The parameters included in the experimental program were the concrete compressive strength, the lap splice length, the amount of transverse reinforcement provided within the splice region, and the shape of the transverse reinforcement around the spliced bars. The experimental results showed that the displacement ductility increased and the mode of failure changed from a splitting bond failure to a flexural failure when the amount of the transverse reinforcement in the splice region increased, and the compressive strength increased up to 100 MPa. The presence of the transverse reinforcement around the spliced bars had a pronounced effect on increasing the ultimate load, the ultimate deflection, and the displacement ductility. The prediction of maximum steel stresses for spliced bars using the ACI 318-05 building code was compared with the experimental results. The comparison showed that the effect of the transverse reinforcement around spliced bars has to be considered into the design equations for lap splice length in high-strength concrete beams.</p></abstract>

The results of an experimental program conducted on seventeen simply supported concrete beams to study the effect of transverse reinforcement on the behavior of the lap splice of a steel reinforcement in tension zones in high-strength concrete beams are presented. The parameters included in the experimental program were the concrete compressive strength, the lap splice length, the amount of transverse reinforcement provided within the splice region, and the shape of the transverse reinforcement around the spliced bars. The experimental results showed that the displacement ductility increased and the mode of failure changed from a splitting bond failure to a flexural failure when the amount of the transverse reinforcement in the splice region increased, and the compressive strength increased up to 100 MPa. The presence of the transverse reinforcement around the spliced bars had a pronounced effect on increasing the ultimate load, the ultimate deflection, and the displacement ductility. The prediction of maximum steel stresses for spliced bars using the ACI 318-05 building code was compared with the experimental results. The comparison showed that the effect of the transverse reinforcement around spliced bars has to be considered into the design equations for lap splice length in high-strength concrete beams.

Behavior Of A Confined Tension Lap Splice In High-Strength Reinforced Concrete Beams

Civil Engineering Department, Benha Faculty of Engineering, Benha University, Egypt

Slovak Journal of Civil Engineering

This chapter is distributed under the terms of the Creative Commons Attribution 4.0 Public License.

The results of an experimental program conducted on seventeen simply supported concrete beams to study the effect of transverse reinforcement on the behavior...

Behavior Of A Confined Tension Lap Splice In High-Strength Reinforced Concrete Beams

Publié en ligne: 14 oct. 2015

Pages: 1 - 8

DOI: https://doi.org/10.1515/sjce-2015-0011

Mots clés
Ductility, high-strength concrete, tension lap splice, transverse reinforcement, steel stresses

© 2015 Faculty of Civil Engineering, Slovak University of Technology

This chapter is distributed under the terms of the Creative Commons Attribution 4.0 Public License.

Behavior Of A Confined Tension Lap Splice In High-Strength Reinforced Concrete Beams

Publié en ligne: 14 oct. 2015

Pages: 1 - 8

DOI: https://doi.org/10.1515/sjce-2015-0011

Mots clésDuctility, high-strength concrete, tension lap splice, transverse reinforcement, steel stresses

© 2015 Faculty of Civil Engineering, Slovak University of Technology

This chapter is distributed under the terms of the Creative Commons Attribution 4.0 Public License.

Mots clés
Ductility, high-strength concrete, tension lap splice, transverse reinforcement, steel stresses