FRACTURE MECHANICS ANALYSIS OF A GRAVITY LOCK MONOLITH
Objective
APPENDIX A: FRACTURE MECHANICS BASED ANALYSIS OF A GRAVITY LOCK MONOLITH
Finite Element/Fracture Mechanics Based Analysis
Figure A-3. Pipe flow analogy
Finite element model
Figure A-4. Finite element discretization
Table A-1. Material Properties for Locks No. 27
Figure A-5. Pressures from backfill in vertical direction
Figure A-7. Modeling of uplift pressures
Analysis and results.
Figure A-8. KI and KII versus crack length for the monolith
Figure A-9. COD profiles for cracks at the base of monolith
Figure A-10. Normal stress profiles at the base of the monolith
Figure A-11. Normal stress profile at the base of monolith for a = 13.02 ft
Conclusion
APPENDIX B: ANALYSES WITH NO CULVERT
Figure B-1. KI and KII versus crack length for monolith: no culvert
Figure B-3. Shear stress profile at the base of monolith for a = 16.65 ft: no culvert
APPENDIX C: ANALYSES WITH NO UPLIFT
Figure C-1. KI and KII versus crack length for monolith: no uplift
Figure C-3. Shear stress profile at the base of monolith for a = 8.58 ft: no uplift
ETL 1110-2-344
Objective
APPENDIX A: FRACTURE MECHANICS BASED ANALYSIS OF A GRAVITY LOCK MONOLITH
Finite Element/Fracture Mechanics Based Analysis
Figure A-3. Pipe flow analogy
Finite element model
Figure A-4. Finite element discretization
Table A-1. Material Properties for Locks No. 27
Figure A-5. Pressures from backfill in vertical direction
Figure A-7. Modeling of uplift pressures
Analysis and results.
Figure A-8. KI and KII versus crack length for the monolith
Figure A-9. COD profiles for cracks at the base of monolith
Figure A-10. Normal stress profiles at the base of the monolith
Figure A-11. Normal stress profile at the base of monolith for a = 13.02 ft
Conclusion
APPENDIX B: ANALYSES WITH NO CULVERT
Figure B-1. KI and KII versus crack length for monolith: no culvert
Figure B-3. Shear stress profile at the base of monolith for a = 16.65 ft: no culvert
APPENDIX C: ANALYSES WITH NO UPLIFT
Figure C-1. KI and KII versus crack length for monolith: no uplift
Figure C-3. Shear stress profile at the base of monolith for a = 8.58 ft: no uplift
ETL 1110-2-344
