Seismic response analyses of base isolated structures with high damping elastomeric bearings
Conference
·
OSTI ID:5681312
- Argonne National Lab., IL (USA)
- Northern Illinois Univ., De Kalb, IL (USA)
Seismic response analysis of base-isolated structures with high damping elastomeric bearings is described. Emphasis is placed on the adaptation of a nonlinear constitutive model for the isolation bearing together with the treatment of foundation embedment for the soil-structure-interaction analysis. The constitutive model requires six input parameters derived from bearing experimental data under sinusoidal loading. The characteristic behavior of bearing, such as the variation of shear modulus and material damping with the change of maximum shear deformation, can be captured closely by the formulation. In the treatment of soil embedment a spring method is utilized to evaluate the foundation input motion as well as soil stiffness and damping. The above features have been incorporated into a three-dimensional system response program, SISEC, developed at Argonne National Laboratory. Sample problems are presented to illustrate the relative response of isolated and unisolated structures. 11 refs., 12 figs.
- Research Organization:
- Argonne National Lab., IL (USA)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5681312
- Report Number(s):
- ANL/CP-72573; CONF-910602--38; ON: DE91011843
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
42 ENGINEERING
420200 -- Engineering-- Facilities
Equipment
& Techniques
58 GEOSCIENCES
580000 -- Geosciences
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
BEARINGS
COMPUTER CODES
DAMPING
EARTHQUAKES
ELASTOMERS
GROUND MOTION
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
MECHANICAL STRUCTURES
MOTION
NONLINEAR PROBLEMS
PLASTICITY
POLYMERS
REACTOR SAFETY
S CODES
SAFETY
SEISMIC EFFECTS
SEISMIC EVENTS
SEISMIC ISOLATION
SHEAR
SOIL-STRUCTURE INTERACTIONS
THREE-DIMENSIONAL CALCULATIONS
220900* -- Nuclear Reactor Technology-- Reactor Safety
42 ENGINEERING
420200 -- Engineering-- Facilities
Equipment
& Techniques
58 GEOSCIENCES
580000 -- Geosciences
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
BEARINGS
COMPUTER CODES
DAMPING
EARTHQUAKES
ELASTOMERS
GROUND MOTION
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
MECHANICAL STRUCTURES
MOTION
NONLINEAR PROBLEMS
PLASTICITY
POLYMERS
REACTOR SAFETY
S CODES
SAFETY
SEISMIC EFFECTS
SEISMIC EVENTS
SEISMIC ISOLATION
SHEAR
SOIL-STRUCTURE INTERACTIONS
THREE-DIMENSIONAL CALCULATIONS