Appendix G - Geotechnical Analysis - Chicago District - U.S. Army

GEOTECHNICAL DESIGN APPENDIX
APPENDIX G
TABLE OF CONTENTS
INTRODUCTION..............................................................................................................1
PROJECT BACKGROUND ....................................................................................................1
REGIONAL GEOLOGY ..................................................................................................3
PHYSIOGRAPHY .................................................................................................................3
BEDROCK GEOLOGY .........................................................................................................5
SURFICIAL GEOLOGY ........................................................................................................6
LOCAL GEOLOGY ..........................................................................................................8
BEDROCK GEOLOGY .........................................................................................................8
SURFICIAL GEOLOGY ........................................................................................................8
Subsurface Investigations ............................................................................................9
Structure Modifications: ............................................................................................10
Reservoirs: ................................................................................................................. 11
Levees: .......................................................................................................................12
Structure Modification: ..............................................................................................14
Dam Removal Sites: ..................................................................................................14
DESIGN ANALYSIS ........................................................................................................15
PURPOSE .........................................................................................................................15
Lake Mary Anne Pump Station (FPCI01) – Plate 1 ...................................................15
Bull Creek Reservoir (BCRS02) – Plate 2, 2a (removed from consideration) ..........15
Aptakisic Creek Reservoir (ACRS08) – Plate 3 ........................................................18
Campground Road Reservoir (DPRS15) – Plate 4 (removed from consideration) ...18
DPLV09 Levee/Floodwall – Plate 5, 5a .....................................................................18
DPLV04 Levee/Floodwall – Plate 8 ..........................................................................20
DPLV05 Levee/Floodwall – Plate 9 ..........................................................................20
Groveland Avenue Levee (DPLV01) – Plate 6, 6a ....................................................20
Adler Park Levee (DPLV15) – Plate 7 (removed from consideration) ......................21
SUMMARY AND CONCLUSIONS ...............................................................................23
LEVEES AND FLOODWALLS .............................................................................................24
RESERVOIRS ....................................................................................................................24
REFERENCES .................................................................................................................25
LIST OF TABLES
Table 1. Surface Soils at Reservoir, Levee, and Pump Station Sites ................................. 9
Table 2. Summary Table of Design Considerations ......................................................... 24
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