Investigations on design and rehabilitation options for river barrages with special respect to piping:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Hannover
2005
|
| Schriftenreihe: | Mitteilungen / Institut für Grundbau, Bodenmechanik und Energiewasserbau (IGBE), Universität Hannover
62 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XII, 163 S. Ill., graph. Darst. |
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| adam_text | MITTEILUNGEN INSTITUT FUR GRUNDBAU, BODENMECHANIK UND ENERGIEWASSERBAU
(IGBE) UNIVERSITAT HANNOVER HEFT 62 INVESTIGATIONS ON DESIGN AND
REHABILITATION OPTIONS FOR RIVER BARRAGES WITH SPECIAL RESPECT TO PIPING
VON BASSEM GORGY SALEH MANSOUR ULB DARMSTADT 111111111 1 16411086
HANNOVER 2005 CONTENTS V CONTENTS VORWORT I PREFACE AND ACKNOWLEDGEMENTS
II ABSTRACT III KURZFASSUNG IV CONTENTS V LIST OF ABBREVIATIONS IX LIST
OF SYMBOLS X 1 INTRODUCTION 1 1.1 GOAL OF WORK 2 1.2 STRUCTURE OF THESIS
2 2 DESCRIPTION OF THE RIVER NILE BARRAGES 4 2.1 IRRIGATION SYSTEM IN
EGYPT 4 2.2 DESCRIPTION OF MAIN BARRAGES 7 2.2.1 ESNA BARRAGES 7 2.2.1.1
OLD ESNA BARRAGE 7 2.2.1.2 NEW ESNA BARRAGE 7 2.2.2 NAGAHAMMADI BARRAGES
8 2.2.3 ASSIUT BARRAGE 8 2.2.3.1 GENERAL DESCRIPTION 8 2.2.3.2
DESCRIPTION OF OLD ASSIUT BARRAGE BUILT IN 1902 9 2.2.3.3 REHABILITATION
OF THE BARRAGE IN 1938 10 2.2.3.4 CURRENT GEOTECHNICAL SITUATION 12
2.2.4 DELTA BARRAGES 13 2.2.4.1 OLD DELTA BARRAGES 13 2.2.4.2 NEW DELTA
BARRAGES 14 2.2.4.3 GEOTECHNICAL SITUATION FOR THE DELTA BARRAGE
(DAMIETTA BRANCH) 15 2.2.5 ZIFTA BARRAGE 17 2.2.5.1 GENERAL DESCRIPTION
17 2.2.5.2 OLD ZIFTA BARRAGE 17 2.2.5.3 THE EXISTING ZIFTA BARRAGE AFTER
REMODELLING 18 2.2.5.4 GEOTECHNICAL SITUATION FOR THE ZIFTA BARRAGE SITE
19 2.2.6 DAMIETTA DAM 21 2.2.7 IDFINA BARRAGE 21 3 GEOTECHNICAL DESIGN
OF THE RIVER BARRAGES 22 3.1 DESCRIPTION OF POSSIBLE FAILURE MECHANISMS
23 3.1.1 SLIDING 23 3.1.2 OVERTURNING 24 CONTENTS 3.1.3 BEARING CAPACITY
24 3.1.4 HYDRAULIC FAILURE 27 3.1.4.1 THE DYNAMIC IMPACT OF THE WATER
FALLING 27 3.1.4.2 PIPING 27 3.1.4.3 SUFFUSION AND EROSION 30 3.1.4.4
UPLIFT 32 3.2 DESIGN OF THE LOOSE BED PROTECTION 33 3.2.1 DESIGN AGAINST
EROSION CAUSED BY D/S WATER DISCHARGE 34 3.2.1.1 SIZE AND WEIGHT OF
STONES 34 3.2.1.2 LENGTH OF D/S BED PROTECTION 36 3.2.2 DESIGN OF THE
D/S GRADED FILTER 36 3.3 REHABILITATION OF OLD BARRAGES 38 3.3.1
CONSTRUCTION OF NEW BARRAGE 39 3.3.2 REHABILITATION OPTIONS 39 3.4
CONCLUSION FROM CHAPTERS 2 AND 3 40 ASSESSMENT OF SAFETY AGAINST PIPING
42 4.1 FLOW OF WATER THROUGH A PERVIOUS SOIL 42 4.2 MECHANISMS OF PIPING
BY HEAVE 43 4.2.1 INTRODUCTION OF CRITICAL GRADIENT FOR UPWARD FLOW 43
4.2.2 TYPE AND EXTENSION OF EROSION CHANNEL (PIPING CANAL) 44 4.3 PIPING
DESIGN METHODS 46 4.3.1 EMPIRICAL METHODS OF BLIGH AND LANE 46 4.3.1.1
BLIGH S METHOD 46 4.3.1.2 LANE S METHOD 49 4.3.2 TSCHUGAJEW S METHOD 52
4.3.3 CRITICAL EXIT GRADIENT METHODS 55 4.3.3.1 CRITICAL EXIT GRADIENTS
FROM KHOSLA 56 4.3.3.2 FEM ANALYSIS 57 4.4 COMPARISON OF THE METHODS FOR
THE OLD ASSIUT BARRAGE (1902 - 1938) 60 4.4.1 ADMISSIBLE WATER HEAD
DIFFERENCE 60 4.4.2 UPLIFT CALCULATIONS 61 4.5 EVALUATION OF THE METHODS
62 4.5.1 BLIGH S AND LANE S METHODS 63 4.5.2 TSCHUGAJEW S METHOD 64
4.5.3 FEM ANALYSIS 65 4.6 PARAMETRIC STUDY FOR THE ANISOTROPY FACTOR AND
THE D/S BLANKET WITH A HOLE USING THE FEM FOR THE OLD ASSIUT BARRAGE 66
4.7 CONCLUSION FROM CHAPTER 4 69 GEOTECHNICAL PHYSICAL MODEL STUDY 71
CONTENTS VII 5.1 SCALING RULES 72 5.2 HISTORY OF PHYSICAL MODELLING FOR
STUDYING THE PIPING PHENOMENON 73 5.3 MODEL STUDY OF THE OLD ASSIUT
BARRAGE 77 5.3.1 MODEL CONSTRUCTION 77 5.3.2 PROPERTIES OF THE USED SAND
80 5.3.3 MODELLING METHODOLOGY 81 5.3.4 MODELLING STEPS AND
PHENOMENOLOGY OF THE PIPING PROCESS 82 5.3.5 RESULTS 85 5.3.6 COMPARISON
BETWEEN PHYSICAL AND NUMERICAL MODELLING 88 5.3.6.1 CASE OF DENSE SAND
88 5.3.6.2 CASE OF LOOSE SAND 89 5.3.7 ANALYSIS OF THE RESULTS 91 5.4
EVALUATION OF THE PHYSICAL MODELLING METHOD 94 6 INVESTIGATION OF THE
ASSIUT BARRAGE 96 6.1 BASIC MODEL AND RESULTS 96 6.2 EFFECT OFTHEU/S
CLAY BLANKET 100 6.3 EFFECT OF THE CB PROTECTION WORK 103 6.4 LOCATION
EFFECT OF THE BOTTOM BOUNDARY CLAY LAYER 106 6.5 PERMEABILITY EFFECT FOR
THE SAND LAYER (SENSITIVITY ANALYSIS) 108 6.6 PARAMETRIC STUDY FOR THE
EFFECT OF THE SP 112 6.7 COMPARISON BETWEEN THE EMPIRICAL AND FEM
ANALYSIS 113 6.7.1 ADMISSIBLE WATER HEAD DIFFERENCE 113 6.7.2 UPLIFT
CALCULATIONS 115 6.8 ADDING A D/S WEIR TO THE EXISTING ASSIUT BARRAGE AS
A REHABILITATION OPTION 117 6.8.1 MODEL CONSTRUCTION AND BOUNDARY
CONDITIONS 117 6.8.2 DISCUSSION OF THE RESULTS 120 7 INVESTIGATION OF
THE ZIFTA BARRAGE 122 7.1 MODEL CONSTRUCTION 122 7.2 BOUNDARY CONDITIONS
123 7.3 EFFECT OF THE D/S FILTER MATERIAL ON THE SEEPAGE ANALYSIS
RESULTS 125 7.4 EFFECT OF THE U/S CLAY LAYER ON THE SEEPAGE ANALYSIS
RESULTS 128 7.5 PARAMETRIC STUDY OF THE SP EFFECT 130 7.6 MAXIMUM WATER
HEAD AT THE EXISTING ZIFTA BARRAGE 132 7.6.1 WITH RESPECT TO PIPING 132
7.6.2 WITH RESPECT TO UPLIFT 133 7.7 COMPARISON BETWEEN THE METHODS 134
8 INVESTIGATION OF THE DELTA BARRAGE 136 8.1 MODEL CONSTRUCTION 136 VIII
CONTENTS 8.2 BOUNDARY CONDITIONS 137 8.3 COMPARISON BETWEEN THE FEM AND
EMPIRICAL METHODS WITH SP PARAMETRIC STUDY 139 8.4 EXACT SEEPAGE
SIMULATION FOR THE EXISTING DELTA BARRAGE USING FEM 140 8.5 UPLIFT
DISTRIBUTION UNDER THE EXISTING DELTA BARRAGE USING FEM 142 9 CONCLUSION
144 9.1 SUMMARY 144 9.2 SUGGESTED REHABILITATION OPTIONS 145 9.3 SCOPE
OF FUTURE WORK 147 10 REFERENCES 148 APPENDIX A: TSCHUGAJEW S METHOD 160
|
| adam_txt |
MITTEILUNGEN INSTITUT FUR GRUNDBAU, BODENMECHANIK UND ENERGIEWASSERBAU
(IGBE) UNIVERSITAT HANNOVER HEFT 62 INVESTIGATIONS ON DESIGN AND
REHABILITATION OPTIONS FOR RIVER BARRAGES WITH SPECIAL RESPECT TO PIPING
VON BASSEM GORGY SALEH MANSOUR ULB DARMSTADT 111111111 1 16411086
HANNOVER 2005 CONTENTS V CONTENTS VORWORT I PREFACE AND ACKNOWLEDGEMENTS
II ABSTRACT III KURZFASSUNG IV CONTENTS V LIST OF ABBREVIATIONS IX LIST
OF SYMBOLS X 1 INTRODUCTION 1 1.1 GOAL OF WORK 2 1.2 STRUCTURE OF THESIS
2 2 DESCRIPTION OF THE RIVER NILE BARRAGES 4 2.1 IRRIGATION SYSTEM IN
EGYPT 4 2.2 DESCRIPTION OF MAIN BARRAGES 7 2.2.1 ESNA BARRAGES 7 2.2.1.1
OLD ESNA BARRAGE 7 2.2.1.2 NEW ESNA BARRAGE 7 2.2.2 NAGAHAMMADI BARRAGES
8 2.2.3 ASSIUT BARRAGE 8 2.2.3.1 GENERAL DESCRIPTION 8 2.2.3.2
DESCRIPTION OF OLD ASSIUT BARRAGE BUILT IN 1902 9 2.2.3.3 REHABILITATION
OF THE BARRAGE IN 1938 10 2.2.3.4 CURRENT GEOTECHNICAL SITUATION 12
2.2.4 DELTA BARRAGES 13 2.2.4.1 OLD DELTA BARRAGES 13 2.2.4.2 NEW DELTA
BARRAGES 14 2.2.4.3 GEOTECHNICAL SITUATION FOR THE DELTA BARRAGE
(DAMIETTA BRANCH) 15 2.2.5 ZIFTA BARRAGE 17 2.2.5.1 GENERAL DESCRIPTION
17 2.2.5.2 OLD ZIFTA BARRAGE 17 2.2.5.3 THE EXISTING ZIFTA BARRAGE AFTER
REMODELLING 18 2.2.5.4 GEOTECHNICAL SITUATION FOR THE ZIFTA BARRAGE SITE
19 2.2.6 DAMIETTA DAM 21 2.2.7 IDFINA BARRAGE 21 3 GEOTECHNICAL DESIGN
OF THE RIVER BARRAGES 22 3.1 DESCRIPTION OF POSSIBLE FAILURE MECHANISMS
23 3.1.1 SLIDING 23 3.1.2 OVERTURNING 24 CONTENTS 3.1.3 BEARING CAPACITY
24 3.1.4 HYDRAULIC FAILURE 27 3.1.4.1 THE DYNAMIC IMPACT OF THE WATER
FALLING 27 3.1.4.2 PIPING 27 3.1.4.3 SUFFUSION AND EROSION 30 3.1.4.4
UPLIFT 32 3.2 DESIGN OF THE LOOSE BED PROTECTION 33 3.2.1 DESIGN AGAINST
EROSION CAUSED BY D/S WATER DISCHARGE 34 3.2.1.1 SIZE AND WEIGHT OF
STONES 34 3.2.1.2 LENGTH OF D/S BED PROTECTION 36 3.2.2 DESIGN OF THE
D/S GRADED FILTER 36 3.3 REHABILITATION OF OLD BARRAGES 38 3.3.1
CONSTRUCTION OF NEW BARRAGE 39 3.3.2 REHABILITATION OPTIONS 39 3.4
CONCLUSION FROM CHAPTERS 2 AND 3 40 ASSESSMENT OF SAFETY AGAINST PIPING
42 4.1 FLOW OF WATER THROUGH A PERVIOUS SOIL 42 4.2 MECHANISMS OF PIPING
BY HEAVE 43 4.2.1 INTRODUCTION OF CRITICAL GRADIENT FOR UPWARD FLOW 43
4.2.2 TYPE AND EXTENSION OF EROSION CHANNEL (PIPING CANAL) 44 4.3 PIPING
DESIGN METHODS 46 4.3.1 EMPIRICAL METHODS OF BLIGH AND LANE 46 4.3.1.1
BLIGH'S METHOD 46 4.3.1.2 LANE'S METHOD 49 4.3.2 TSCHUGAJEW'S METHOD 52
4.3.3 CRITICAL EXIT GRADIENT METHODS 55 4.3.3.1 CRITICAL EXIT GRADIENTS
FROM KHOSLA 56 4.3.3.2 FEM ANALYSIS 57 4.4 COMPARISON OF THE METHODS FOR
THE OLD ASSIUT BARRAGE (1902 - 1938) 60 4.4.1 ADMISSIBLE WATER HEAD
DIFFERENCE 60 4.4.2 UPLIFT CALCULATIONS 61 4.5 EVALUATION OF THE METHODS
62 4.5.1 BLIGH'S AND LANE'S METHODS 63 4.5.2 TSCHUGAJEW'S METHOD 64
4.5.3 FEM ANALYSIS 65 4.6 PARAMETRIC STUDY FOR THE ANISOTROPY FACTOR AND
THE D/S BLANKET WITH A HOLE USING THE FEM FOR THE OLD ASSIUT BARRAGE 66
4.7 CONCLUSION FROM CHAPTER 4 69 GEOTECHNICAL PHYSICAL MODEL STUDY 71
CONTENTS VII 5.1 SCALING RULES 72 5.2 HISTORY OF PHYSICAL MODELLING FOR
STUDYING THE PIPING PHENOMENON 73 5.3 MODEL STUDY OF THE OLD ASSIUT
BARRAGE 77 5.3.1 MODEL CONSTRUCTION 77 5.3.2 PROPERTIES OF THE USED SAND
80 5.3.3 MODELLING METHODOLOGY 81 5.3.4 MODELLING STEPS AND
PHENOMENOLOGY OF THE PIPING PROCESS 82 5.3.5 RESULTS 85 5.3.6 COMPARISON
BETWEEN PHYSICAL AND NUMERICAL MODELLING 88 5.3.6.1 CASE OF DENSE SAND
88 5.3.6.2 CASE OF LOOSE SAND 89 5.3.7 ANALYSIS OF THE RESULTS 91 5.4
EVALUATION OF THE PHYSICAL MODELLING METHOD 94 6 INVESTIGATION OF THE
ASSIUT BARRAGE 96 6.1 BASIC MODEL AND RESULTS 96 6.2 EFFECT OFTHEU/S
CLAY BLANKET 100 6.3 EFFECT OF THE CB PROTECTION WORK 103 6.4 LOCATION
EFFECT OF THE BOTTOM BOUNDARY CLAY LAYER 106 6.5 PERMEABILITY EFFECT FOR
THE SAND LAYER (SENSITIVITY ANALYSIS) 108 6.6 PARAMETRIC STUDY FOR THE
EFFECT OF THE SP 112 6.7 COMPARISON BETWEEN THE EMPIRICAL AND FEM
ANALYSIS 113 6.7.1 ADMISSIBLE WATER HEAD DIFFERENCE 113 6.7.2 UPLIFT
CALCULATIONS 115 6.8 ADDING A D/S WEIR TO THE EXISTING ASSIUT BARRAGE AS
A REHABILITATION OPTION 117 6.8.1 MODEL CONSTRUCTION AND BOUNDARY
CONDITIONS 117 6.8.2 DISCUSSION OF THE RESULTS 120 7 INVESTIGATION OF
THE ZIFTA BARRAGE 122 7.1 MODEL CONSTRUCTION 122 7.2 BOUNDARY CONDITIONS
123 7.3 EFFECT OF THE D/S FILTER MATERIAL ON THE SEEPAGE ANALYSIS
RESULTS 125 7.4 EFFECT OF THE U/S CLAY LAYER ON THE SEEPAGE ANALYSIS
RESULTS 128 7.5 PARAMETRIC STUDY OF THE SP EFFECT 130 7.6 MAXIMUM WATER
HEAD AT THE EXISTING ZIFTA BARRAGE 132 7.6.1 WITH RESPECT TO PIPING 132
7.6.2 WITH RESPECT TO UPLIFT 133 7.7 COMPARISON BETWEEN THE METHODS 134
8 INVESTIGATION OF THE DELTA BARRAGE 136 8.1 MODEL CONSTRUCTION 136 VIII
CONTENTS 8.2 BOUNDARY CONDITIONS 137 8.3 COMPARISON BETWEEN THE FEM AND
EMPIRICAL METHODS WITH SP PARAMETRIC STUDY 139 8.4 EXACT SEEPAGE
SIMULATION FOR THE EXISTING DELTA BARRAGE USING FEM 140 8.5 UPLIFT
DISTRIBUTION UNDER THE EXISTING DELTA BARRAGE USING FEM 142 9 CONCLUSION
144 9.1 SUMMARY 144 9.2 SUGGESTED REHABILITATION OPTIONS 145 9.3 SCOPE
OF FUTURE WORK 147 10 REFERENCES 148 APPENDIX A: TSCHUGAJEW'S METHOD 160 |
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| record_format | marc |
| series2 | Mitteilungen / Institut für Grundbau, Bodenmechanik und Energiewasserbau (IGBE), Universität Hannover |
| spelling | Mansour, Bassem Gorgy Saleh Verfasser aut Investigations on design and rehabilitation options for river barrages with special respect to piping von Bassem Gorgy Saleh Mansour Hannover 2005 XII, 163 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Mitteilungen / Institut für Grundbau, Bodenmechanik und Energiewasserbau (IGBE), Universität Hannover 62 Zugl.: Hannover, Univ., Diss., 2005 Sperrwerk (DE-588)4238194-0 gnd rswk-swf Rückschreitende Erosion (DE-588)4318402-9 gnd rswk-swf Nil (DE-588)4042339-6 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Nil (DE-588)4042339-6 g Sperrwerk (DE-588)4238194-0 s Rückschreitende Erosion (DE-588)4318402-9 s DE-604 Institut für Grundbau, Bodenmechanik und Energiewasserbau (IGBE), Universität Hannover Mitteilungen 62 (DE-604)BV001895452 62 HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014780482&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Mansour, Bassem Gorgy Saleh Investigations on design and rehabilitation options for river barrages with special respect to piping Sperrwerk (DE-588)4238194-0 gnd Rückschreitende Erosion (DE-588)4318402-9 gnd |
| subject_GND | (DE-588)4238194-0 (DE-588)4318402-9 (DE-588)4042339-6 (DE-588)4113937-9 |
| title | Investigations on design and rehabilitation options for river barrages with special respect to piping |
| title_auth | Investigations on design and rehabilitation options for river barrages with special respect to piping |
| title_exact_search | Investigations on design and rehabilitation options for river barrages with special respect to piping |
| title_exact_search_txtP | Investigations on design and rehabilitation options for river barrages with special respect to piping |
| title_full | Investigations on design and rehabilitation options for river barrages with special respect to piping von Bassem Gorgy Saleh Mansour |
| title_fullStr | Investigations on design and rehabilitation options for river barrages with special respect to piping von Bassem Gorgy Saleh Mansour |
| title_full_unstemmed | Investigations on design and rehabilitation options for river barrages with special respect to piping von Bassem Gorgy Saleh Mansour |
| title_short | Investigations on design and rehabilitation options for river barrages with special respect to piping |
| title_sort | investigations on design and rehabilitation options for river barrages with special respect to piping |
| topic | Sperrwerk (DE-588)4238194-0 gnd Rückschreitende Erosion (DE-588)4318402-9 gnd |
| topic_facet | Sperrwerk Rückschreitende Erosion Nil Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014780482&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV001895452 |
| work_keys_str_mv | AT mansourbassemgorgysaleh investigationsondesignandrehabilitationoptionsforriverbarrageswithspecialrespecttopiping |