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

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