Viii iM

LANDSLIDES
in research, theory and practice
VOLUME 1
Edited by E. Bromhead, N. Dixon
and M-L. Ibsen
Proceedings of the 8th International Symposium on Landslides
held in Cardiff on 26-30 June 2000
Viii iM
Cd^Dirr 3000
UNIVERSITATSBIBLIOTHEK
HANNOVER
TECHNISCHE
INFORMATIONSBIBLIOTHEK
"I1 ThomasTelford
Contents
Geological Factors Influencing the Naketiya Landslide
A. W. W. ABEYKOON, Research & Development Division, Road Development
Authority, Ratmalana, Sri Lanka
1
Monitoring and Modelling of Unsaturated Flow and Effects on Streambank Failures
7
A. M. AFFUSO, N. CASAGLI, S. DAPPORTO, G. GABBANI,
A. GARGINI and M. RINALDI, Dipartimento di Scienze della Terra,
Universita di Firenze, Italia
Hydrogeological Risk Assessment of the Po River Basin (Italy)
P. ALEOTTI, P. BALDELLI, G. POLLONI, Aquater S.p.A., San Lorenzo
in Campo, Italy, M. GOVI, Po River Basin Authority Technical Commitee,
Parma, Italy, and B. VILLANI, Arpa Agenzia, Bologna, Italy
13
Debris Flow Hazard and Risk Assessment Using Airborne Laser Terrain
Mapping Techniques (ALTM)
P. ALEOTTI, G. POLLONI, Aquater S.p.A. via Tolstoj 86, San Giuliano Milanese,
Italy, P. CANUTI, and A. IOTTI, Earth Science Dept.,
University of Florence via La Pira 4, Florence
19
Impact of Mass Movement on Landscape and Nature Transformation in
the Polish Carpathians
Z. ALEXANDROWICZ and W. MARGIELEWSKI, Institute of Nature
Conservation of Polish Academy of Sciences, Krakow, Poland
27
Risk Assessment of Landslide Using Fuzzy Theory
S. M. ALI JAW AID, Civil Eng. Dept., M. M. M. Eng. College, Gorakhpur, India
31
Measuring of Slope Surface Displacement by Using Digital Image
Processing
H. G. B. ALLERSMA, Delft University of Technology, Netherlands
37
Neural Networks: a Solution for the Factor of Safety Problems
in Slopes
A. A. AL-TUHAMI, Department of Structural Engineering, Faculty of
Engineering, Zagazig University, Zagazig, Egypt
45
Slope Stability Studies of Vyasi Dam Reservoir Area, Garhwal Himalaya,
U. P. India
R. ANBALAGAN, N. C. N. SRIVASTAVA, Department of Earth
Science, University of Roorkee, Roorkee, India and VIKRANT JAIN, Engineering
Geology Group, Department of Civil Engineering, Indian Institute of Technology,
Kanpur, India
51
Sentinel Landslide, Dam Breach, and Road Reconstruction Zion
National Park, Utah
S. A. ANDERSON, J. O. WILLIAMS, URS Greiner Woodward Clyde, Landslide
Technology Group, Denver and S. GREENWELL, Federal Highway Administration
- CFLHD, Denver, USA
57
The Landslide at Vagnharad in Sweden
H. ANDERSSON, P-E. BENGTSSON, C. BERGLUND, R. LARSSON, Swedish
Geotechnical Institute, Linkoping, Sweden, G. SALLFORS and A-L.
OBERG-HOGSTA, Chalmers University of Technology, Goteborg, Sweden
65
An Analytical Approach to Obtain the Actual Groundwater Response
Using Open Standpipe Piezometers
M-G. ANGELI, National Research Council, IRPI Institute, Perugia and
P. GASPARETTO, IQT Consulting S.r.l., Rovigo, Italy
71
Slopes affected by soil slips: validation of an evolutive model
L. ANTRONICO, G. GULLA, CNR-IRPI, Rende (CS), Italy
77
Coastal Protection in a Proposed World Heritage Site
D. ATHERTON and K. BURBIDGE, Peter Brett Associates, Reading, UK
85
^
Space and Time Distribution of Landslides in a Mediterranean River
Basin: Trigno River Valley (S. Italy)
P. P. C. AUCELLI, Universita degli Studi del Molise, Facolta di Scienze
MM. FF. NN., Isernia, Italy, A. CINQUE, G. ROBUSTELLI, Universita
Federico II, Dipartimento di Scienze della Terra, Napoli and
C. ROSSKOPF, Universita degli Studi del Molise, Italy
91
Some Problems Linked With Landsliding in Albania
S. AXHEMI, University "Luigj Gurakuqi", Department of Geography, Shkoder, Albania
97
Factors Affecting Slope Stability in the Blue Nile Basin
L. AYALEW, Technical University of Clausthal, Department of Engineering Geology,
Clausthal-Zellerfeld, Germany
101
New Typology of Low Environmental Impact Consolidation for
Rockfall Prone Cliffs Through Interventions from the Underground
S. BANDIS, University of Thessaloniki, Greece, V. COLOMBINI, University of
Basilicata, Potenza, Italy, G. DELMONACO and C. MARGOTTINI, ENEA CR
Casaccia, Ministry of Environment, Rome, Italy
107
Slope Movement Patterns in Young Valley Slopes in Northern Alberta,
Canada
J. P. BARLOW, AGRA Earth & Environmental Ltd., Edmonton, Canada.
113
Stability of a Slope in Perm with a Building Complex Located on it,
Analysis and Slope Stabilization
A. A. BARTOLOMEY, L. A. BARTOLOMEY, Perm State Technical University,
Perm, Russia, and S.V. IRUNDIN, FBB PSTU Perm, Russia
121
Inclinometer and Tiltmeter Monitoring of a High Chalk Cliff
M. E. BARTON and A. M. McCOSKER, Department of Civil & Environmental
Engineering, University of Southampton, UK
127
Causes of Landslides in the Darjiling Town of the Eastern Himalaya
S. R. BASU, Department of Geography, Calcutta University, 35, Ballygunge Circular
Road, Calcutta 700019, India
133
Ground Water Isolation by Low-Permeability Clays in Landslide
Shear Zones
R. L. BAUM, U.S. Geological Survey, Denver, Colorado, USA, and M. E. REID,
U.S. Geological Survey, Menlo Park, California, USA
139
Monitoring Principles of Civil Works located in Landslide-prone
Areas
Ch. BONNARD, F. MAYORAZ and F. NOVERRAZ, Swiss Federal
Institute of Technology, Lausanne, Switzerland
145
Measured Response to a Drainage Adit in a Deep Creeping Slide Mass
L. BONZANIGO, Bonzanigo Geologo Consulente, Bellinzona,
Switzerland, E. EBERHARDT and S. LOEW, Engineering Geology, Swiss Federal
Institute of Technology, ETH Zurich, Switzerland
151
Mass Movements on Granitic Slopes and the Question of Human
Interference
J. A. BOURNE and C. R. TWIDALE, Department of Geology and Geophysics,
University of Adelaide, Adelaide, South Australia
157
Regularities of Spreading and Forming of Landslides in Armenia
V. R. BOYNAGRYAN, B. V. BOYNAGRYAN, A. V. BOYNAGRYAN,Yerevan
State University, Yerevan, Armenia
163
Landslide-Rockfalls in Valley of River Baidak
V. R. BOYNAGRYAN, S. P. BALYAN, R. H. GAGINYAN, A. A. AIRIYANTS,
A. V. BOYNAGRYAN, A. S. MKRTCHYAN, K. R. CHOBANYAN, Yerevan State
University, Yerevan, Armenia
167
An Interpretation of Slope Dynamics in Pisticci (Southern Italy)
F. BOZZANO, M. FLORIS, Dipartimento di Scienze della Terra, Universita degli
Studi di Roma "La Sapienza", Rome, Italy, and M. POLEMIO, CNR CERIST,
Bari, Italy
171
Numerical Modelling of Slopes Surrounding Ignimbrite Plateaux
F. BOZZANO, M. GAETA, G. SCARASCIA MUGNOZZA and G. VALENTINI,
Dipartimento di Scienze della Terra, Universita "La Sapienza", Roma, Italy
177
Shallow Landslides in Wadhurst Clay at Robertsbridge, Sussex, UK
E. N. BROMHEAD, Kingston University, M. HUGGINS, Fugro UK Ltd,
M-L. IBSEN, Kingston University, UK
183
Analysis of Engineering Geological Efficiency of Anti-Landslide
Measures in Odessa, Ukraine
B. V. BUDKIN, Centre of Engineering Research, Odessa, Ukraine and
E. A. CHERKEZ, Odessa State University, Ukraine
189
Investigation and Monitoring of Landslides with Torrential Significance in the
Bavarian Alps
G. BUNZA, Bavarian Water Management Agency, Munich, Germany and University
of Innsbruck, Tyrol, Austria
195
A Dynamic Model of Shallow Slope Motion Driven by Fluctuating Ground
Water Levels
R. BUTTERFIELD, Department of Civil and Environmental Engineering, University
of Southampton, UK
203
The Influence of Meteoric Events in Triggering Shallow Landslides in Pyroclastic
Deposits of Campania, Italy
D. CALCATERRA, Department of Geotechnical Engineering, Section of Applied
Geology, Federico II University of Napoli, M. PARISE, CERIST, National Research
Council, Bari, B. PALMA, Vico Equense (Napoli) and L. PELELLA, Somma
Vesuviana (Napoli), Italy
209
Preliminary Study for Landslide Hazard Assessment: GIS Techniques and a
Multivariate Statistical Approach
S. CAMPUS, F. FORLATI, Regione Piemonte, Direzione Servizi Tecnici di
Prevenzione, Settore Studi e Ricerche Geologiche, Torino, Italy and C. SCAVIA,
Politecnico di Torino, Structural Engineering and Geotechnique, Torino, Italy
215
Long-term Stability of Overburden Dump Slopes in Recultivated Lignite Mines
of Central Germany - Prediction of Maximum Pore Water Pressures
A. CARSTENSEN and W. POHL, Institute of Geosciences, Technical University,
D-38023 Braunschweig, Germany
221
Interaction Between Dams and Landslides: Three Case Histories
A. CATALANO, V. CHIEPPA and C. RUSSO, Geotechnical Bureau of the Italian
National Dam Service, Italy
227
A Landslide along Gently Dipping Bed Surfaces
BYUNG-GON CHAE, YONG-CHAN CHO, WON-YOUNG KIM, KYEONGSU KIM Korea Institute of Geology, Mining and Materials (KIGAM), 30, Kajungdong, Yusung-gu, Taejon, 305-350, South Korea
233
The Stabilisation of the A4061 at Foel Goch Landslide
S. CHAMBERS, Halcrow Group Ltd, Cardiff, UK
239
Remediation of the Watawala Landslide, Sri Lanka
K. R. CHANDLER and M. BROISE, Douglas Partners, Sydney & Melbourne,
Australia
245
Landslides in the North-Western Black Sea Region
Y. CHERKEZ, T. KOZLOVA, V. SHMOURATKO, 1.1. Mechnikov Odessa State
University, Odessa, Ukraine, V. KHARITONOV and A. KARA VAN, Black Sea
State Regional Geological Enterprise, Odessa, Ukraine
251
Study of Planar Sliding Instability Phenomena in the Langhe area (Piedmont
Region, Italy)
A. CHIAPPONE and C. SCAVIA, Department of Structural and Geotechnical
engineering, Politecnico di Torino, Torino, Italy
255
Improving Foundation Conditions on an Unstable Slope
A. CHIRICA, A. OLTEANU and M. S. SERBULEA, Technical University of Civil
Engineering Bucharest, Romania
261
Nonlinear Features and Prognosis of a Landslide
C. Y. CHOU, Department of Geosciences, Zhongshan University, Guangzhou, China
267
The Dramatic Cluster of Pyroclastic Debris Flows which Ocurred on 5lh and 6th
273
May 1998 in the Sarno Mountains (Vesuvius Region, Southern Italy): a
Geomorphological Perspective
A. CINQUE, G. ROBUSTELLI, F. SCARCIGLIA, Dip.to di Scienze della Terra Universita "Federico II", Napoli and F. TERRIBILE, DISCA - Universita "Federico H",
Napoli, Italy
The Strategy, Management and Investigation of Coastal Landslides at Lyme
Regis, Dorset
A. R. CLARK, D. S. FORT, High-Point Rendel, London, and G. M. DAVIS, West
Dorset District Council, UK
279
The Influence of Mining on the Bolsover Landslide
A. E. COBB, Geoffrey Walton Practice, Oxford House, Market St, Charlbury, Oxford,
D. B. JONES and H. J. SIDDLE, Halcrow UK, 31-33 Newport Road, Cardiff, UK
287
Landslide Susceptibility in the Cardoso Slope (Versilia-Italy) Consequences of
the Flash Flood of 19th June 1996
L. CODEBO, ENEA CR Casaccia, Rome, G. DELMONACO, C. MARGOTTINI,
C. PUGLISI and S. SERAFINI, ENEA CR Casaccia and Ministry of Environment,
Rome, Italy
293
Characterisation of a Structurally Controlled Flowslide in a Kaolinised Granitic
Slope
J. S. COGGAN, D. STEAD, Camborne School of Mines, University of Exeter,
Cornwall, and J. H. HOWE, ECC International, Cornwall, UK
299
Influence of Recent Morphological Evolution on the Stability of Two
Slopes in the Euganean Hills
S. COLA, University of Padova, Italy, and P. SIMONINI, University of Padova, Italy
305
Presentation of Monitoring Data for Unstable Slopes
M. R. COOPER, Gifford & Partners, Southampton, UK
311
Seismic Reactivation of Pelton Park Landslide
D. H. CORNFORTH, Landslide Technology, Portland, Oregon, USA
317
Continuous Monitoring of Groundwater Response to Winter Rainfall
D. H. CORNFORTH, Landslide Technology, Portland, Oregon and P.E. MIKKELSEN,
Geoengineering & Instrumentation Consultant, Bellevue, Washington, USA
323
Landslides and Climate Change in the Alps Since the Late-Glacial:
Evidence of Case Studies in the Dolomites (Italy)
A. CORSINI, Department of Earth Sciences, University of Modena and Reggio Emilia,
Modena, Italy, A. PASUTO, C.N.R.-I.R.P.L, Research Institute for Hydrological and
Geological Hazard Prevention, Padova, Italy, M. SOLD ATI, Department of Earth
Sciences, University of Modena and Reggio Emilia, Modena, Italy
329
Design Strength Parameter of a Natural Slope on Gneissic Residual Soil
R. Q. COUTINHO, J. B. SOUZA NETO and F. Q. COSTA , Federal University of
Pernambuco, Recife, Brazil
335
Risk Scenarios for Complex Debris Slump-Debris Flow Phenomena
G. CROSTA, Dip. Scienze Geologiche e Geotecnologie, Universita degli Studi di
Milano - Bicocca, Italy
343
Deep Seated Slope Deformations: Huge, Extraordinary, Enigmatic Phenomena
G. CROSTA, Dip. Scienze Geologiche e Geotecnologie, Universita degli Studi di
Milano - Bicocca, A. ZANCHI, Dipartimento di Scenze dell'Ambiente e Territorio,
Universita degli Studi di Milano - Bicocca, Italy
351
Landslide Modes in the Canadian Rockies
D. M. CRUDEN, Department of Civil and Environmental Engineering,
University of Alberta, Edmonton and X.-Q. HU, Department of Earth and Atmospheric
Sciences, University of Alberta, Edmonton, Canada
359
Example: a Cluster of Slope slides in Tibet, China
365
CUIJIANHENG, First Highway Survey & Design Institute, Communications Ministry,
Xian, P. R. China
Soliflucted Deposits in the Vicinity of Belfast
S. J. CUMMINGS, I. G. DORAN and V. SIVAKUMAR, School of Civil Engineering,
Queens University Belfast, UK
369
Case Study of a Landslip in Glacial Sands and Gravels in N. Ireland
S. J. CUMMINGS, I. G. DORAN and V. SIVAKUMAR, School of Civil Engineering,
Queen's University Belfast, UK
375
Geologic and Geomorphic Factors of the Landslides Triggered in the Cardoso
T. basin (Tuscany, Italy) by the 19th June, 1996 Intense Rainstorm
G. D'AMATO AVANZI, R. GIANNECCHINI and A. PUCCINELLI, Dipartimento
di Scienze della Terra, Universita di Pisa, Italy
381
Anthropogenic Triggering of Weathering: a Case Study
DEBASHIS DAS> Visva-Bharati University, Santiniketan Birbhbum, West Bengal.
India
387
Field Monitoring of Cryogenic Mass Movement
M. C. R. DAVIES, Department of Civil Engineering, University of Dundee, Dundee,
UK, C. HARRIS, F. W. SMITH, Department of Earth Sciences, Cardiff University,
Cardiff, UK and I. T. BERTHLING, Geografisk Institutt, University of Oslo, Oslo,
Norway
391
The Avalanche Lake Rock Avalanche: an Alternative Emplacement Mechanism
T. R. DA VIES, Natural Resources Engineering, Lincoln University PO Box 84,
Canterbury, New Zealand
397
Three Dimensional Visualisation of Landslides in SE Spain using a Digital
Elevation Model (DEM) and Orthophotography
A. M. DAVIS, P. J. MASON, HME Partnership, P. O. Box 3036, Romford and
J. McM MOORE, Earth Sciences, T.H. Huxley School of the Environment, Earth
Science & Engineering, Imperial College, London, UK
403
Rock Mechanics Studies to Analyse Toppling Failure
C. DEANGELI and A. M. FERRERO, Dipartimento di Georisorse e Territorio,
Politecnico di Torino, Italy
409
A Historical Landslide in the Province of Belluno (Eastern Dolomites, Italy):
Study of the Past Events and Provision for the Future
E. DE BIASIO, Via A. Manzoni, 13 - 32036 Sedico (Bl), Italy, M. C. TURRINI and
W. BUSIN Dipartimento di Scienze Geologiche e Paleontologiche, Corso E. I D'Este,
3 2 - 4 4 1 0 0 Ferrara, Italy
415
Influence on Landsliding and Slope Development of the Particular Environment
of the Dead Sea Region: A Case Study for the Wadi Mujib Canyon (Jordan)
C. DE JAEGER, University of Ghent, Belgium
421
Seismic Rockfall Hazard in the Sele River Valley, Southern Italy
V. DEL GAUDIO, Dipartimento di Geologia e Geofisica - Osservatorio di Geofisica e
Fisica Cosmica, Universita di Bari, J. WASOWSKI, CNR - CERIST c/o Istituto di
Geologia Applicata e Geotecnica, Politecnico di Bari, Italy
427
Overburden Stability of Rock Slopes in Quarries
O. DEL GRECO, M. FORNARO, C. OGGERI, Dept. of Georisorse e Territorio,
Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
433
Slow Movements of Earthflow Accumulations along the Ionic Coast (SouthEastern Italy)
B. D'ELIA, G. LANZO, Dept. of Structural and Geotechnical Engineering, "La
Sapienza" University of Rome, M. ROSSI-DORIA, Dept. of Hydraulics, Transportation
and Roads, "La Sapienza" University of Rome, Italy
439
The St. Boniface Landslide of April 1996: a Large Retrogressive Landslide in
Sensitive Clay with Little Flow Component
D. DEMERS, D. ROBITArLLE, Geotechnique et geologie, Ministere des Transports du
Quebec, Quebec, Canada, and D. PERRET, Commission geologique du Canada, Centre
geoscientifique de Quebec, Quebec, Canada
447
Basis for Criterion for Warning Systems on Expected Landslides
A. M. DEMINE, Comprehensive Institute for Mineral Resources Exploitation, Russian
Academy of Sciences, Russia
453
Databases and Geographic Information Systems for Medium Scale Landslide
Hazard Evaluation: An Example from Typical Mountain Watershed in Nepal
A. S. DHAKAL, Graduate School of Agricultural Sciences, University of Tsukuba,
Japan, T. AMADA, Institute of Agricultural and Forest Engineering, University of
Tsukuba and M. ANIYA, Institute of Geoscience, University of Tsukuba
457
Influence of Pore Liquid Composition on the Shear Strength of an Active Clay
C. DI MAIO and R. ONORATI, Universita della Basilicata, Potenza, Italy
463
Swelling Behaviour of Active Clays: the Case of an Overconsolidated, Marine
Origin Clay
C. DI MAIO and R. ONORATI, Universita della Basilicata, Potenza, Italy
469
Behaviour of Woody Debris Carried by a Debris Flow of Impermeable-Type
475
"Sabo" Dam already Filled with Sediment
Y. DOI, Doctoral Program in Agricultural Sciences, Institute of Agricultural Engineering,
University of Tsukuba, T. YAMADA, N. MINAMI, Erosion and Sediment Control
division, Public Works Research Institute, Ministry of Construction and T. AMADA,
Institute of Agricultural Engineering, University of Tsukuba, Japan
Fault Reactivation in the Vicinity of Landslides in South Wales, UK
L. J. DONNELLY, IMC Consulting Engineers Ltd, PO Box 18, Huthwaite, Sutton-in
-Ashfield, Nottinghamshire, K. J. NORTHMORE, British Geological Survey,
Keyworth, Nottingham, UK and C. A. JERMY, University of Natal, Department of
Geology & Applied Geology, Durban 4041, Republic of South Africa
481
Management of Steep Rock Slopes after Studies on Reservoir Slopes by Electricite
de France
J-Y. DUB IE, Division Geologie et Geotechnique, Electricite de France, Aix en
Provence, P. DUFFAUT, Consultant, Paris, France
487
Conformities of Creeping Development in the East of the Russian Plain
A. P. DVINSKIH and V. A. YELKIN, Kazan University, Department of Geography
and Geoecology, Russia
493
Morphology and Interpretation for a Recent Multiple Peat Slide Event on
Cuilcagh Mountain, Northern Ireland
A. P. DYKES and K. J. KIRK, Geographical Sciences, University of Huddersfield,
Huddersfield, UK
495
Slope Movements and Active Tectonics in the Izbor River Basin (Granada, Spain)
R. EL HAMDOUNI, C. IRIGARAY, Departamento de Ingenieria Civil, Universidad
de Granada, Facultad de Ciencias, Granada, Espana, T. FERNANDEZ, Departamento
de Ingenieria Cartografica, Geodesica y Fotogrametna, Universidad de Jaen, Espana,
C. SANZ DE GALDEANO, Instituto Andaluz de Ciencias de la Tierra, CSIC,
Universidad de Granada, Facultad de Ciencias, Granada, Espana and J. CHACON,
Departamento de Ingenieria Civil, Universidad de Granada, Facultad de Ciencias,
Granada, Espana
501
Landslides due to the Propagation of Cracks and Plastic Zones
S. A. ELSOUFIEV, Odessa State University, Ukraine
507
Stabilization of Landslides using Piles
M. U. ERGUN, Middle East Technical University, Civil Engineering Department,
Ankara, Turkey
513
Slide Activity along the River Gota alv, SW Sweden - An Evaluation of the
Effects of Bank Revetment
A. ERIKSSON, Mid-Sweden University, Harnosand, Sweden
519
An Anthropogenic Triggering of a Landslide: Ariklar Landslide (NW Turkey)
T. A. ERTEK, Istanbul University, Literature Faculty, Geography section, Physical
Geography Department, Istanbul, Turkey
525
Case of a Slope Failure in Lacustrine Deposits
A. J. ESSER, EDP Consultants, Inc., Kirtland, Ohio, USA
531