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Bidirectional Mass Platform (Single Curvature)

Seismic Simulation and Design of Bridge Columns Under Combined Actions and Implication on System Response University of Nevada, Reno Dr. David H. Sanders Juan Arias-Acosta Jan. 25 - 2008. Bidirectional Mass Platform (Single Curvature). Bidirectional Mass Platform (Single Curvature).

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Bidirectional Mass Platform (Single Curvature)

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  1. Seismic Simulation and Design of Bridge Columns Under Combined Actions and Implication on System ResponseUniversity of Nevada, RenoDr. David H. Sanders Juan Arias-AcostaJan. 25 - 2008

  2. Bidirectional Mass Platform (Single Curvature)

  3. Bidirectional Mass Platform (Single Curvature) Universal joints

  4. Bidirectional Mass Platform (Safety system)

  5. Bidirectional Mass Platform (Double Curvature)

  6. Circular Columns (Specimens Selection)

  7. Circular Columns Details (Single Curvature)

  8. Circular Columns Details (Double Curvature)

  9. Interlocking Spiral Columns (Specimen Selection)

  10. Analytic models (OpenSees) Mass=80 kipsAxial load= 80 kips(constant) Axial load with unbonded tendon aprox. 80 Kips El Centro: 0.33, 0.66, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 Sylmar: 0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0 FLE record: 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0ZAK record: 0.33, 0.66, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5NPS record: 0.2, 0.4, 0.6, 0.8, 1.0, 1.25, 1.5, 1.75 C + UT+PD : As single Column including unbonded tendon. C + AL + PD : As single Column, constant axial load and PDelta. MR + C+PD+ UT : Mass frame, column including unbonded tendon.

  11. Analysis (El Centrox4 - XDisplacement)

  12. Analysis (Sylmarx1.6- X Displacement)

  13. Analysis (FLE144x8 - X Displacement)

  14. Analysis (ZAK270x3.5 - X Displacement)

  15. Analysis (NPS210x1.75 - X Displacement)

  16. Analysis (Displacement Summary)

  17. Measured Response (Hysteretic)

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