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Folsom Dam Outlet Works Modification Project; Simplified Three- Dimensional Stress Analysis of Monolith 12
This report presents a finite-element stress analysis of monolith 12 conducted to assess any potential adverse effects caused by the proposed dimensions of the air vent near the base of the spillway pier wall. A simplified three-dimensional finite-element model was developed to simplify the analysis while preserving the main characteristics of the section. The numerical model included fixed boundary conditions along the base and appropriate boundary conditions along the two lateral planes representative of the vertical contraction joints. The analyses included static (self-weight and hydrostatic) and dynamic (inertial and hydrodynamic) effects. The dynamic effects were accounted for using equivalent lateral loads and following Chopra's simplified procedure for seismic analysis of concrete gravity sections. The results provide an estimate of the stress field around the air manifold opening along the downstream face, and they provide a quantitative basis to evaluate its impact at the proposed location and to complete the design of any necessary reinforcement to be placed around the conduit.
Folsom Dam Outlet Works Modification Project; Simplified Three- Dimensional Stress Analysis of Monolith 12
This report presents a finite-element stress analysis of monolith 12 conducted to assess any potential adverse effects caused by the proposed dimensions of the air vent near the base of the spillway pier wall. A simplified three-dimensional finite-element model was developed to simplify the analysis while preserving the main characteristics of the section. The numerical model included fixed boundary conditions along the base and appropriate boundary conditions along the two lateral planes representative of the vertical contraction joints. The analyses included static (self-weight and hydrostatic) and dynamic (inertial and hydrodynamic) effects. The dynamic effects were accounted for using equivalent lateral loads and following Chopra's simplified procedure for seismic analysis of concrete gravity sections. The results provide an estimate of the stress field around the air manifold opening along the downstream face, and they provide a quantitative basis to evaluate its impact at the proposed location and to complete the design of any necessary reinforcement to be placed around the conduit.
Folsom Dam Outlet Works Modification Project; Simplified Three- Dimensional Stress Analysis of Monolith 12
E. E. Matheu (author) / S. B. Garner (author)
2005
77 pages
Report
No indication
English
Civil Engineering , Construction Equipment, Materials, & Supplies , Soil & Rock Mechanics , Stress analysis , Concrete , Vents , Dams , Models , Three dimensional , Walls , Spillways , Holes(Openings) , Ground motion , Finite element analysis , Dynamic stresses , Overflow monolith , Nonoverflow monolith
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