ASCE 9780784401477 1996
$30.88
Fundamentals of Hydraulic Dredging
| Published By | Publication Date | Number of Pages |
| ASCE | 1996 | 273 |
Thomas Turner presents the basic principles of hydraulic dredging in terms that are to understand and apply.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 8 | CONTENTS |
| 12 | PREFACE |
| 16 | Part I: Theories of Dredging |
| 18 | 1. HYDRAULICS SIMPLIFIED Introduction to Dredge Hydraulics Velocity Head |
| 23 | Centrifugal Pump Principle |
| 24 | Pump Affinity Laws |
| 26 | Specific Gravity Effect Slurry Effect |
| 27 | Pump Head Efficiency Coefficients |
| 30 | 2. PRODUCTION RATE CALCULATION Dredge Law I Production Equation |
| 31 | Porosity, Weights, Specific Gravity |
| 32 | Production Measurement Systems |
| 36 | Volume to Weight Conversion |
| 37 | Grams per Liter Conversion |
| 40 | 3. DREDGE EFFICIENCY Dredge Law II Maximum Percent Solids Vs. Cavitation |
| 41 | Operating Time Vs. Downtime Dredge Efficiency Chart |
| 45 | Dredge Law I Rephrased |
| 47 | 4. HYDRAULIC TRANSPORT FACTORS Dredge Law III Turbulence Requirement for Hydraulic Transport |
| 48 | Suction Velocity Turbulence Requirements of Different Materials |
| 49 | Velocity Requirements of Different Pipe Sizes |
| 51 | Soil Classification |
| 56 | 5. MAXIMUM DREDGE PRODUCTION Dredge Law IV Barometric Head Induces Flow |
| 57 | Dredge Flow Varies with Suction Line Velocity and Area |
| 59 | Effect of Altitude on Velocity |
| 60 | Effect of Altitude and Temperature on Horsepower |
| 64 | 6. THE SUCTION LINE AND DIGGING DEPTH Dredge Law V Analysis of Suction Line Losses |
| 65 | Velocity Head |
| 66 | Entrance Loss |
| 67 | Friction Loss Specific Gravity Head Suction Lift |
| 68 | Optimizing Suction Velocity |
| 71 | 7. HORSEPOWER VS. LINE LENGTH Dredge Law VI |
| 72 | Horsepower Vs. GPM, SG, and h |
| 73 | Pipeline Size Vs. Friction |
| 74 | h[sub(F)] Vs. GPM and Pipe Diameter |
| 75 | Effect of Suction Size on Pumping Distance |
| 77 | Horsepower Vs. Line Size (Horsepower Coefficient) |
| 80 | Recommended Pump Horsepower |
| 84 | 8. PRODUCTION CHARTS Dredge Law VII |
| 90 | Suction Line Size |
| 91 | Discharge Line Size |
| 92 | Booster Pump Effect |
| 93 | Ladder Pump Effect |
| 97 | 9. THE DREDGE CYCLE Head-Capacity Curve on Water System Resistance on Water |
| 98 | Head-Capacity Curve on Slurry |
| 99 | System Resistance on Slurry Dredge Cycle Explained |
| 102 | 10. FLOW REGIME AND FRICTION Friction Head Losses Flow Regimes |
| 105 | Soil Types Hazen-Williams Equation |
| 109 | 11. CAVITATION: CAUSES AND AVOIDANCE Definition |
| 110 | Captation Chart |
| 111 | Eye Speed |
| 112 | NPSHR |
| 113 | Impeller Geometry and Speed |
| 114 | Part II: Dredging in Practice |
| 116 | 12. SELECTING THE DREDGE TYPE Plain Suction |
| 117 | Trailing Suction |
| 122 | Cutterhead |
| 123 | Compensated Cutterhead Dredge |
| 128 | 13. THE CUTTER Types and Functions The Basket Cutter |
| 143 | The Bucket Wheel |
| 147 | The Endless Chain |
| 148 | The High Speed Disc Cutter |
| 152 | 14. THE DREDGE PUMP |
| 153 | Pump Type Particle Clearance |
| 154 | Fully Lined Vs. Partially Lined Pump |
| 156 | Impeller |
| 157 | Stuffing Box Shaft and Bearings |
| 158 | Adjustable Mounting Wiper Vanes |
| 161 | Casing |
| 162 | Eye Speed |
| 163 | Tip Speed Eye Diameter Vs. Impeller Diameter |
| 164 | Horsepower Coefficient Drive |
| 167 | Torsional Vibration |
| 168 | Thrust |
| 174 | 15. LADDER AND BOOSTER PUMPS Ladder or Submerged Pump |
| 176 | Design Requirements for Ladder Pumps |
| 177 | Suction Jet Booster |
| 180 | Natural Gas Problems Ladder Pump Drives |
| 182 | Booster Pumps Vs. Transport Distance Coordination with Dredge Pump Water Hammer |
| 184 | Location of Booster |
| 188 | 16. WEAR IN PUMPS AND PIPELINES Life Vs. Wear |
| 189 | Life Equation |
| 190 | The K Factor Hydraulic Design Factor The Brinriell Hardness Factor |
| 191 | Solids Concentration Pump Size |
| 192 | Velocity |
| 193 | Weight of Solids Particle Size |
| 194 | Angularity |
| 195 | Application of the Life Equation Simplified Pipeline Life Equation |
| 196 | Normal Range Validity Pressure |
| 197 | Corrosion |
| 198 | Wear Zones |
| 200 | 17. AUXILIARY EQUIPMENT Forward Winch |
| 201 | Swing Speed Line Pull |
| 202 | Anchors |
| 204 | Anchor Booms |
| 207 | Spud Hoist Winches |
| 208 | Spuds |
| 209 | Spud Carriage Wire Rope |
| 214 | 18. INSTRUMENTATION AND AUTOMATIC CONTROL Definitions |
| 215 | Durability Accuracy |
| 216 | Dredge Position |
| 217 | Slurry System |
| 220 | Dredge Cycle Automation |
| 221 | Cutter Module Digging Depth |
| 222 | Sounding Winches |
| 223 | 19. CALCULATING AND BIDDING THE PROJECT Contract Document Evaluation |
| 224 | Method of Calculation |
| 225 | Material to Be Pumped |
| 226 | Digging Depth Terminal Elevation |
| 227 | Discharge Line Length Cutter Capability |
| 228 | Height of Work Face Swing Width Type of Advancing Mechanism |
| 229 | Dredge Efficiency Suction Line Size Hourly Production Rate Vs. Production Time |
| 230 | Total Yards |
| 231 | Production Time Calendar Time |
| 232 | Trash Vs. Production Time Costs |
| 233 | Bid Price |
| 235 | 20. THE PERSONAL COMPUTER IN DREDGE MANAGEMENT Need |
| 236 | Software Accuracy |
| 237 | “D” Vs. “L” Dredges PC Program Output |
| 241 | Simulation Training |
| 242 | Computer Advantages |
| 244 | 21. OPERATION AND TROUBLESHOOTING Operational Errors and How to Avoid Them |
| 245 | Swing Angle for Advance |
| 246 | Swing Width Anchor Location |
| 248 | Channel Width Limitations |
| 250 | Troubleshooting |
| 251 | Abnormal Gauge Readings and Their Meaning |
| 254 | 22. THE ENVIRONMENT AND THE DREDGE Environmentalists Vs. Developers Water Pollution Denned |
| 255 | Politics and Public Opinion Turbidity |
| 256 | Dredge As Cleanup Tool Efficiency Vs. Environmental Disruption |
| 257 | Recommendations |
| 260 | ABBREVIATIONS |
| 262 | USEFUL FORMULAS AND CONVERSION FACTORS |
| 264 | REFERENCES |
| 265 | PUBLIC LAW 95-269 |
| 270 | INDEX A B C |
| 271 | D E F G H I L |
| 272 | N O P S |
| 273 | T V W |
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