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Steel Dams by Otis E. Hovey 1935 Hard Cover
Steel Dams by Otis E. Hovey
Hard cover
Copyright 1935 American Institute of Steel Construction
122 pages
CONTENTS
CHAPTER I INTRODUCTORY AND GENERAL
1. Definition of a dam 11
2. Classification 11
3. Loads on dams 12
4. Suitability of fixed steel dams 12
5. Essentials of a steel dam 13
6. Failures of dams 14
7. Reconnaissance 15
8. Surveys and borings 15
9. Rock foundations 16
10. Permeable foundations 17
11. Types of dams wholly or mainly of steel18
12. Types of dams partly of steel 20
CHAPTER II THEORY AND DESIGN OF STEEL DAMS
1. General 23
2. Slope of water-face of a dam for stability23
3. Anchorage at the upstream heel of a dam 25
4. Face plates of steel dams 27
5. Flat plates uniformly loaded 28
6. Buckle plates 30
7. Face plates curved cylindrically 31
8. Side anchorage and seal 33
9. Continuous diagonal girder. General 34
10. Loads increasing uniformly from zero to a maximum along a span 34
11. Loads increasing uniformly from a minimum to a maximum along a span 36
12. Conclusions 39
13. Design of the continuous diagonal girder 39
14. Methods of calculation 40
CHAPTER III DESCRIPTIONS OF STEEL DAMS
1. Steel dams durable and satisfactory44
2. Ash Fork Steel Dam 44
3. Canyon formation 44
4. Foundations 45
5. Steel superstructure 47
6. Material and workmanship 51
7. Maintenance 51
8. Engineers and contractor 53
9. Redridge Steel Dam 54
10. Foundations 55
11. Concrete base 55
12. Steel superstructure 58
13. Painting 59
14. Maintenance and condition of the dam 59
15. Conduits and discharge pipes 60
16. Engineers and contractors 61
17. Design for a steel dam 100 ft. high62
18. Estimated weights63
19. Comparison of the estimated costs of a steel and a concrete dam 64
CHAPTER IV FILL DAMS WITH STEEL CORE PLATES
1. General 69
2. General principles of the design of fill dams69
3. Lower Otay Rock-fill Dam with steel core 70
4. Steel core 71
5. Spillway 71
6. Leakage 71
7. Dillman's Hydraulic Principle 71
8. Failure 72
9. Lessons from the failure 72
10. Permanence 73
11. Sevier River Dam 73
12. Steel sheet piling 73
13. Sheet steel core 73
14. Painting 74
CHAPTER V FILL DAMS WITH STEEL FACE PLATES
1. General 75
2. General Principles 75
3. Spillway 76
4. Skaguay Dam. Southern Colorado Power Company76
5. Steel face plates 77
6. Cut-off walls 77
7. Spillway 77
8. Painting and corrosion 77
9. Broadmoor Hotel, Water & Power Co., Penrose-Rosemont Rockfill Dam 80
10. Cut-off walls 81
11. Steel plate facing 81
12. Welding 83
13. Workmanship 84
14. Paint and painting 85
15. El Vado Dam. State of New Mexico 86
16. Cut-off walls 87
17. Spillway 87
18. Steel face plates 88
19. Welding 89
20. Paint and painting 90
CHAPTER VI DAMS WITH STEEL SHEET PILING CUT-OFFS
1. General 92
2. References 92
3. Creep theory 93
4. Weighted creep 93
5. Steel sheet piling 94
6. Percolation through foundation material94
7. Use of steel sheet piling 94
8. Percolation prevented 95
9. Steel sheet piling95
10. Painting 95
11. Sand embankment dam at Chicopee, Mass.95
12. Steel sheet piling cut-off 96
13. Bonnet Carre Spillway97
14. Spillway weir 97
15. Steel sheet piling 98
16. Fort Peck Dam 98
17. Earth-fill dam 98
18. Steel sheet piling 99
19. Isleta Diversion Dam 100
20. Steel sheet piling 102
BIBLIOGRAPHY PHOTO ILLUSTRATIONS
REDRIDGE STEEL DAM, MICHIGANDownstream face frontispieceFacing nearing completion 61
ASH FORK STEEL DAM, MICHIGANGeneral view 49Nearing completion53
CONCRETE DAM ACROSS SARANAC RIVER AT KENT FALLS, N. YUpstream face 64Downstream face nearing completion 65
STEEL FACING, SKAGUAY DAM, COLORADO 79
PENROSE-ROSEMONT ROCKFILL DAM, COLORADOFacing under construction 85Facing nearing completion86
EL VADO DAM, NEW MEXICO Facing under construction 89
Facing nearing completion90
DRIVING SHEET PILING, ISLETA DIVERSION DAM, NEW MEXICO 101
PREFACE
The use of water has reached large proportions and rapidly is increasing. Many storage reservoirs are being built for potable water supply, irrigation, and flood control. Rivers are being canalized for navigation and dammed for the development of power. Such improvements require the construction of many dams and have directed attention anew to the design of all types of masonry and concrete dams, and many researches have been made, and papers and articles written, which deal with all phases of this subject.
The use of steel in new types of construction has received much study during recent years. There has been a continuous improvement in the processes of its manufacture and fabrication, many new alloys have been developed, and the relatively new art of fusion welding has directed attention to the economical use of steel in new applications.
During this period of development, the use of steel as a suitable and economical material for the construction of fixed dams has received little attention. It has been used freely and satisfactorily for movable dams of all types for many years, but for about thirty years it has been almost ignored in connection with fixed dams. Long ago a few fixed steel dams were built which now are in excellent condition.
This little book was written in order to review a few of the applications of steel to fixed dams and to indicate some of the methods of design and the suitability of steel for such structures. At a time of intensive study and research into the best and most economical use of the various materials of construction, it is hoped that the advantages of steel in the construction of fixed dams will not be overlooked.
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