A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Lateral Load Response of Unbonded Post-Tensioned Cast-in-Place Concrete Walls
This paper describes an experimental study and numerical modeling of unbonded post-tensioned (UPT) cast-in-place reinforced concrete (RC) walls subjected to quasi-static cyclic load. Design of the test walls is based on ACI 318-11 with the base moment capacity provided by the post-tensioned strands versus the moment capacity provided by conventional reinforcing bars as the main parameter. The experimental results showed that a UPT cast-in-place RC wall can sustain large deformations before failure. Two wall specimens were tested. The test wall with more post-tensioned strands displayed better response in terms of self-centering capability. One test wall failed in shear. One test wall failed by bar buckling and fracture. Numerical models utilized fiber beam-column elements and nonlinear truss elements. Results from numerical models and experiments are compared. Numerical results were consistent with the experimental results for maximum load capacity.
Lateral Load Response of Unbonded Post-Tensioned Cast-in-Place Concrete Walls
This paper describes an experimental study and numerical modeling of unbonded post-tensioned (UPT) cast-in-place reinforced concrete (RC) walls subjected to quasi-static cyclic load. Design of the test walls is based on ACI 318-11 with the base moment capacity provided by the post-tensioned strands versus the moment capacity provided by conventional reinforcing bars as the main parameter. The experimental results showed that a UPT cast-in-place RC wall can sustain large deformations before failure. Two wall specimens were tested. The test wall with more post-tensioned strands displayed better response in terms of self-centering capability. One test wall failed in shear. One test wall failed by bar buckling and fracture. Numerical models utilized fiber beam-column elements and nonlinear truss elements. Results from numerical models and experiments are compared. Numerical results were consistent with the experimental results for maximum load capacity.
Lateral Load Response of Unbonded Post-Tensioned Cast-in-Place Concrete Walls
Pakiding, Leary (author) / Pessiki, Stephen (author) / Sause, Richard (author) / Rivera, Moises (author)
Structures Congress 2015 ; 2015 ; Portland, Oregon
Structures Congress 2015 ; 1338-1349
2015-04-17
Conference paper
Electronic Resource
English
Lateral Load Response of Unbonded Post-Tensioned Cast-in-Place Concrete Walls
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