THE IMPROVEMENT OF RIVERS
CONTENTS 1 INTRODUCTION 1 1 PURPOSE 1 2 NAVIGATION ENGINEERING 1 3 SCOPE 1 4 TRAINING WORKS ON MAJOR RIVER SYSTEMS 1 5 INLAND WATERWAYS: VALUE TO THE NATION 1 6 ORGANIZATION OF THIS MANUAL REFERENCES 2 SEDIMENTATION AND SEDIMENT MANAGEMENT IN RIVER CHANNELS 2 1 GENERAL 2 2 SEDIMENT TRANSPORT 2 3 SEDIMENTATION PROBLEMS 2 4 SEDIMENT MANAGEMENT 2 5 SEDIMENTATION STUDIES 2 6 SEDIMENT DATA NEEDS 3 HISTORY 4 TRAINING STRUCTURE TYPES AND LAYOUT 4 1 GENERAL 4 2 REDIRECTIVE STRUCTURES 4 3 RESISTIVE STRUCTURES 4 4 CHANNEL ALIGNMENT AND CONTRACTION 4 5 CHANNEL REALIGNMENTS (CUTOFFS) 4 6 CONTRACTION WIDTH 4 7 GENERAL CHANNEL PLAN 4 8 LOW-WATER REFERENCE PLANE 5 DIKES 5 1 STONE SPUR DIKE DESIGN PARAMETERS 5 2 OTHER TYPES OF STONE DIKES 5 3 TIMBER-PILE DIKES 5 4 INVENTORY OF TRAINING DIKES ON U S RIVERS 6 REVETMENTS 6 1 REVETMENT STRUCTURES 6 2 STONE REVETMENTS 6 3 OTHER REVETMENT TYPES 7 OTHER TYPES OF TRAINING STRUCTURES 7 1 BENDWAY WEIRS 7 2 BLUNT-NOSED CHEVRONS 7 3 BULLNOSE STRUCTURES 7 4 HARD POINTS 8 CASE STUDIES 8 1 SCOPE 8 2 MISSOURI RIVER 8 3 UPPER MISSISSIPPI RIVER 8 4 J BENNETT JOHNSTON (RED RIVER) WATERWAY, LOUISIANA 8 5 TENNESSEE-TOMBIGBEE WATERWAY, ALABAMA AND MISSISSIPPI 8 6 LOWER COLUMBIA RIVER, OREGON 9 COST 10 ENVIRONMENTAL DESIGN GENERAL NOTCHED DIKE ROOTLESS DIKE TRAIL DIKE W-DIKE DIKE EXTENSIONS (OFFSET) SLOPING CREST DIKE OFF-BANKLINE REVETMENTS MULTIPLE ROUNDPOINT STRUCTURES 10 10 ENVIRONMENTAL GUIDELINES AND DESIGN GUIDANCE 11 MODEL STUDIES PHYSICAL MOVABLE-BED MODELS PHYSICAL FIXED-BED OR SEMI? XED-BED NAVIGATION MODELS NUMERICAL MODEL STUDIES HYDRAULIC SEDIMENT RESPONSE MODELS TOW SIMULATION STUDIES 12 PERFORMANCE, EVALUATION, AND INSPECTION 12 1 GENERAL 12 2 HYDROGRAPHIC SURVEYS 12 3 ABOVE WATER INSPECTIONS 12 4 AERIAL INSPECTIONS 12 5 EVALUATION 13 REPAIR TECHNIQUES 13 1 GENERAL 13 2 EXAMPLES OF REPAIRS AND REPAIR TECHNIQUES