1993-03-22_REVISION - M1977378

• Permit No: M1977378
• IBM Index Class Name: REVISION
• Doc Date: 3/22/1993
• Doc Name: Bulkhead Design
• From: John F. Abel, Jr.
• To: Sunnyside Gold Corp
• Type & Sequence: TR14
• Media Type: D
• Archive: No

Sunnyside Gold Corp. Page 2 March 10, 1993
TABLE OF CONTENTS
EXECUTIVE SUMMARY . . . . . . . . . . . . . . . . . . . . . 3
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . 6
PURPOSE . . . . . . . . . . . . . . . . . . . . . . . . . . 7
DESIGN CRITERIA . . . . . . . . . . . . . . . . . . . . . . 8
BULKHEAD DESIGNS. . . . . . . . . . . . . . . . . . . . . . 15
AMERICAN TUNNEL BULKHEAD . . . . . . . . . . . . . . . 18
F-LEVEL TERRY TUNNEL BULKHEAD. . . . . . . . . . . . . 28
F-LEVEL BRENNEMAN-SUNNYSIDE CONNECTION BULKHEAD. . . . 31
B-LEVEL BRENNEMAN-SUNNYSIDE CONNECTION BULKHEAD. . . . 35
EARTHQUAKE BULKHEAD LOADING PREDICTIONS . . . . . . . . . . 38
POTENTIAL IMPACT FROM OUTBYE AMERICAN TUNNEL BULKHEAD . . . 41
MATERIAL QUANTITIES . . . . . . . . . . . . . . . . . . . . 42
CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . 46
REFERENCES. . . . . . . . . . . . . . . . . . . . . . . . . 47
APPENDIX A, AMERICAN TUNNEL BULKHEAD DESIGN CALCULATIONS. . 49
APPENDIX B, UNIAXIAL COMPRESSIVE TEST RESULTS . . . . . . . 54