NONLINEAR, INCREMENTAL STRUCTURAL ANALYSIS OF MASSIVE CONCRETE STRUCTURES
Criteria
Documentation.
APPENDIX A: NONLINEAR, INCREMENTAL STRUCTURAL ANALYSIS (NISA) OF MASSIVE CONCRETE STRUCTURES
Heat transfer analysis. - ETL-1110-2-3650006
Figure A-1. Sleps to be performed
Figure A-1. Sleps to be performed... (cont)
Stress Analysis
Stress Analysis (cont)
Assumptions, simplifications, and limitations.
Parameters affecting cracking in mass concrete.
Analysis Requirements
Extreme ambient temperature.
Material Properties
Mechanical properties.
Foundation properties.
Air properties
Placing temperatures.
Structural Modeling and Analysis
Mesh generation and refinement.
Heat transfer analysis. - ETL-1110-2-3650022
Time increments.
Stress analysis.
Evaluation of Results
Pile reactions.
Stress/strain contours.
Figure A-3. Principal stress contour example
Report - ETL-1110-2-3650029
Figure A-5. Crack potential contour plot example
Figure A-6. Stress time-history plot example
Figure A-7. Section plot example
Figure A-8. Displaced shape plot example
Figure A-9. Cracked location plot example
Required References - ETL-1110-2-3650035
Required References (cont)
ANNEX 1: NONLINEAR, INCREMENTAL STRUCTURAL ANALYSIS (NISA) DURING FEASIBILITY PHASE
Report - ETL-1110-2-3650038
ANNEX 2: CRACKING CRITERION
Cracking Potential
ANNEX 3: HEAT GENERATION SUBROUTINES
User Subroutines
User Subroutines (cont)
User Subroutines (cont)
ANNEX 4: PARAMETERS REQUIRED FOR NISA INPUT
Foundation, soil.
ANNEX 5: NISA TECHNICAL REPORT
Conclusions and recommendations.
APPENDIX B: EXAMPLES
Figure B-1.
Crack plots
Figure B-2. Crack plot at day 81.5 of the middle wall half of the chamber monolith model
Placing Temperature Parametric Study
Figure B-4. Crack plot at day 143 of the middle wall half of the chamber monolith model
Figure B-5. Crack plot at day 163 of the middle wall half of the chamber monolith model
Figure B-6. Crack plot at day 163 of the middle wall half of the chamber monolith model
Figure B-7. Crack plot at day 183 of the land wall half of the chamber monolith model
Figure B-8. Crack potentials at day 81.5 of the middle wall half of the chamber monolith model
Figure B-9. Enlarged view of crack potentials from Figure B-8 around the culvert at day 81.5
Figure B-10. Enlarged view of crack potentials from Figure B-8 around the culvert at day 85.75
Figure B-11. Crack potentials at day 103 of the middle wall half of the chamber monolith model
Figure B-12. Crack potentials at day 115 of the middle wall half of the chamber monolith model
Figure B-13. Crack potentials at day 143 of the middle wall half of the chamber monolith model
Figure B-14. Crack potentials at day 183 of the middle wall half of the chamber monolith model
Figure B-15. Crack potentials at day 118 of the land wall half of the chamber monolith model
Figure B-16. Crack potentials at day 143 of the land wall half of the chamber monolith model
Figure B-17. Crack potentials at day 163 of the land wall half of the chamber monolith model
Figure B-18. Crack potentials at day 183 of the land wall half of the chamber monolith model
Figure B-19. Temperature time history at node 2347 of the chamber monolith model
Figure B-20. Temperature time history at node 2859 of the chamber monolith model
Figure B-21. Temperature time history at node 3371 of the chamber monolith model
Figure B-22. Horizontal stress time history at integration point 4 of element 755 of the chamber monolith model
Figure B-23. Stress distribution of horizontal stress through the slab at day 177.5
Figure B-24. Horizontal stress time history at integration point 2 of element 755 of the chamber monolith model
Figure B-25. Horizontal stress time history for the first 40 days at integration point 4 of element 755
Figure B-26. Maximum principal stress time history at integration point 3 of element 1314 of the chamber monolith model
ETL 1110-2-365
Criteria
Documentation.
APPENDIX A: NONLINEAR, INCREMENTAL STRUCTURAL ANALYSIS (NISA) OF MASSIVE CONCRETE STRUCTURES
Heat transfer analysis. - ETL-1110-2-3650006
Figure A-1. Sleps to be performed
Figure A-1. Sleps to be performed... (cont)
Stress Analysis
Stress Analysis (cont)
Assumptions, simplifications, and limitations.
Parameters affecting cracking in mass concrete.
Analysis Requirements
Extreme ambient temperature.
Material Properties
Mechanical properties.
Foundation properties.
Air properties
Placing temperatures.
Structural Modeling and Analysis
Mesh generation and refinement.
Heat transfer analysis. - ETL-1110-2-3650022
Time increments.
Stress analysis.
Evaluation of Results
Pile reactions.
Stress/strain contours.
Figure A-3. Principal stress contour example
Report - ETL-1110-2-3650029
Figure A-5. Crack potential contour plot example
Figure A-6. Stress time-history plot example
Figure A-7. Section plot example
Figure A-8. Displaced shape plot example
Figure A-9. Cracked location plot example
Required References - ETL-1110-2-3650035
Required References (cont)
ANNEX 1: NONLINEAR, INCREMENTAL STRUCTURAL ANALYSIS (NISA) DURING FEASIBILITY PHASE
Report - ETL-1110-2-3650038
ANNEX 2: CRACKING CRITERION
Cracking Potential
ANNEX 3: HEAT GENERATION SUBROUTINES
User Subroutines
User Subroutines (cont)
User Subroutines (cont)
ANNEX 4: PARAMETERS REQUIRED FOR NISA INPUT
Foundation, soil.
ANNEX 5: NISA TECHNICAL REPORT
Conclusions and recommendations.
APPENDIX B: EXAMPLES
Figure B-1.
Crack plots
Figure B-2. Crack plot at day 81.5 of the middle wall half of the chamber monolith model
Placing Temperature Parametric Study
Figure B-4. Crack plot at day 143 of the middle wall half of the chamber monolith model
Figure B-5. Crack plot at day 163 of the middle wall half of the chamber monolith model
Figure B-6. Crack plot at day 163 of the middle wall half of the chamber monolith model
Figure B-7. Crack plot at day 183 of the land wall half of the chamber monolith model
Figure B-8. Crack potentials at day 81.5 of the middle wall half of the chamber monolith model
Figure B-9. Enlarged view of crack potentials from Figure B-8 around the culvert at day 81.5
Figure B-10. Enlarged view of crack potentials from Figure B-8 around the culvert at day 85.75
Figure B-11. Crack potentials at day 103 of the middle wall half of the chamber monolith model
Figure B-12. Crack potentials at day 115 of the middle wall half of the chamber monolith model
Figure B-13. Crack potentials at day 143 of the middle wall half of the chamber monolith model
Figure B-14. Crack potentials at day 183 of the middle wall half of the chamber monolith model
Figure B-15. Crack potentials at day 118 of the land wall half of the chamber monolith model
Figure B-16. Crack potentials at day 143 of the land wall half of the chamber monolith model
Figure B-17. Crack potentials at day 163 of the land wall half of the chamber monolith model
Figure B-18. Crack potentials at day 183 of the land wall half of the chamber monolith model
Figure B-19. Temperature time history at node 2347 of the chamber monolith model
Figure B-20. Temperature time history at node 2859 of the chamber monolith model
Figure B-21. Temperature time history at node 3371 of the chamber monolith model
Figure B-22. Horizontal stress time history at integration point 4 of element 755 of the chamber monolith model
Figure B-23. Stress distribution of horizontal stress through the slab at day 177.5
Figure B-24. Horizontal stress time history at integration point 2 of element 755 of the chamber monolith model
Figure B-25. Horizontal stress time history for the first 40 days at integration point 4 of element 755
Figure B-26. Maximum principal stress time history at integration point 3 of element 1314 of the chamber monolith model
ETL 1110-2-365
