Debris flow surges: a laboratory investigation
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Zürich
1988
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| Schriftenreihe: | Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie <Zürich>: Mitteilungen der Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie an der Eidgenössischen Technischen Hochschule Zürich
96 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 122 S. Ill., graph. Darst. |
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Datensatz im Suchindex
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| adam_text | NR. 96 MITTEILUNGEN DER VERSUCHSANSTALT FUR WASSERBAU, HYDROLOGIE UND
GLAZIOLOGIE AN DER EIDGENOSSISCHEN TECHNISCHEN HOCHSCHULE ZURICH
HERAUSGEGEBEN VON PROF. DR. D. VISCHER DEBRIS FLOW SURGES - A LABORATORY
INVESTIGATION TIMOTHY R.H. DAVIES ZURICH, 1988 BIBLIOTHEKWASSERUND
UMWELT - 7 - CONTENTS ABSTRACT 5 LIST OF FIGURES 9 NOMENCLATURE 11 1.
INTRODUCTION 13 2. THE DEBRIS FLOW PROBLEM 14 3. THE NATURE OF DEBRIS
FLOWS 16 4. DEBRIS FLOWS - CURRENT KNOWLEDGE 18 4.1 OCCURRENCE 19 4.2
MAJOR FEATURES 19 5. PREVIOUS EXPLANATIONS OF DEBRIS FLOW BEHAVIOUR 22
5.1 PULSING FLOW 22 5.2 SUPPORT OF LARGE GRAINS 23 5.2.1 COHESIVE
STRENGTH 23 5.2.2 BUOYANCY 25 5.2.3 DISPERSIVE PRESSURE 26 6. PRESENT
EXPLANATION 28 6.1 TEST: ONSET OF PULSING FLOW 32 6.2 DEVELOPMENT OF
SURGES 38 6.3 DISCUSSION 44 7. APPARATUS 49 7.1 PRINCIPLE AND
CONSTRAINTS 49 7.2 DESCRIPTION 52 7.3 BEHAVIOUR 57 8. RESULTS 61 8.1
WITH NO GRAINS IN FLOW 61 8.2 WITH GRAINS IN FLOW 62 8.3 VELOCITY
DISTRIBUTIONS 71 - 8 - 8.4 GRAIN CONCENTRATIONS 75 8.5 BEHAVIOUR OF
LARGE GRAINS 78 8.6 FLOW ZONES 79 8.7 CHANGES IN FLUID VISCOSITY 81 8.8
WAVE ON WET CHANNEL BED 81 8.9 SLUG INPUT OF GRAINS 83 9. DISCUSSION OF
RESULTS 85 9.1 COMPARISON WITH FIELD DATA 85 9.2 INSTABILITY OF UNIFORM
FLOW 90 9.3 CHARACTERISTICS OF STATIONARY WAVES - 92 9.3.1 GEOMETRIC
SHAPE 92 9.3.2 GRAIN MOTION - VELOCITY PROFILES AND PATH-LINES 97 9.3.3
CONCENTRATION VARIATIONS 99 9.3.4 FLOW REGIONS 100 9.3.5 BEHAVIOUR OF
LARGE GRAINS 102 9.3.6 CHANGES OF INTERGRANULAR FLUID VISCOSITY 104
9.3.7 WAVE WITH WET DOWNCHANNEL BED 104 9.3.8 SLUG INPUT 105 10.
IMPLICATIONS FOR DEBRIS FLOWS 105 11. CONCLUSIONS 111 ACKNOWLEDGEMENTS 1
1 4 REFERENCES 115 APPENDIX - BULK DENSITY OF SLURRY-GRAIN MIXTURES 121
|
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| series2 | Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie <Zürich>: Mitteilungen der Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie an der Eidgenössischen Technischen Hochschule Zürich |
| spelling | Davies, Timothy R. H. Verfasser aut Debris flow surges a laboratory investigation Timothy R. H. Davies Zürich 1988 122 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie <Zürich>: Mitteilungen der Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie an der Eidgenössischen Technischen Hochschule Zürich 96 Earthflows Landslides Mathematisches Modell (DE-588)4114528-8 gnd rswk-swf Mure (DE-588)4170768-0 gnd rswk-swf Mure (DE-588)4170768-0 s Mathematisches Modell (DE-588)4114528-8 s DE-604 Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie <Zürich>: Mitteilungen der Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie an der Eidgenössischen Technischen Hochschule Zürich 96 (DE-604)BV000019874 96 HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=004936606&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Davies, Timothy R. H. Debris flow surges a laboratory investigation Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie <Zürich>: Mitteilungen der Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie an der Eidgenössischen Technischen Hochschule Zürich Earthflows Landslides Mathematisches Modell (DE-588)4114528-8 gnd Mure (DE-588)4170768-0 gnd |
| subject_GND | (DE-588)4114528-8 (DE-588)4170768-0 |
| title | Debris flow surges a laboratory investigation |
| title_auth | Debris flow surges a laboratory investigation |
| title_exact_search | Debris flow surges a laboratory investigation |
| title_full | Debris flow surges a laboratory investigation Timothy R. H. Davies |
| title_fullStr | Debris flow surges a laboratory investigation Timothy R. H. Davies |
| title_full_unstemmed | Debris flow surges a laboratory investigation Timothy R. H. Davies |
| title_short | Debris flow surges |
| title_sort | debris flow surges a laboratory investigation |
| title_sub | a laboratory investigation |
| topic | Earthflows Landslides Mathematisches Modell (DE-588)4114528-8 gnd Mure (DE-588)4170768-0 gnd |
| topic_facet | Earthflows Landslides Mathematisches Modell Mure |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=004936606&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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