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Landslides in Sensitive Clays: From Research to Implementation de Vikas Thakur

Landslides in Sensitive Clays: From Research to Implementation: Advances in Natural and Technological Hazards Research, cartea 46

Editat de Vikas Thakur, Jean-Sébastien L'Heureux, Ariane Locat
en Limba Engleză Hardback – 24 mai 2017

NIVEL DE STUDIU: Lucrarea se adresează nivelului de masterat, doctorat și specialiștilor din domeniul ingineriei geotehnice, servind drept referință profesională de înalt nivel. Landslides in Sensitive Clays reprezintă volumul 46 din seria Advances in Natural and Technological Hazards Research, fiind o sinteză tehnică a celor mai noi cercetări privind mecanismele de cedare a versanților în argile senzitive. Subliniem faptul că acest volum nu se rezumă la teorie, ci urmărește explicit transpunerea rezultatelor validate în recomandări practice pentru siguranța infrastructurii.

Reținem organizarea riguroasă a conținutului, care începe cu fundamentele chimice și geologice ale argilelor din estul Canadei și Scandinavia, progresând spre metode avansate de clasificare prin diagrame CPTU și tehnici geofizice de investigare. Un element distinctiv al acestei ediții este analiza detaliată a etapei post-cedare, inclusiv utilizarea clorurii de potasiu pentru îmbunătățirea proprietăților argilelor rapide (quick clays). Suntem de părere că integrarea studiilor de caz reale, precum incidentele din Norvegia (Skjeggestad, Byneset) sau Quebec, oferă o perspectivă pragmatică asupra impactului economic și social al acestor fenomene.

Alternativă la Landslides and Avalanches. Norway 2005 pentru cursurile de geotehnică și hazarde naturale, cu avantajul unei actualizări semnificative a datelor și a unei focalizări stricte pe argilele senzitive, spre deosebire de abordarea mai generală a lui Kåre Senneset. Structura sa facilitează identificarea rapidă a metodelor de cartografiere și a strategiilor de adaptare la schimbările climatice, elemente esențiale pentru geoscientificii implicați în gestionarea riscurilor la nivel guvernamental sau industrial.

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Specificații

ISBN-13: 9783319564869
ISBN-10: 3319564862
Pagini: 603
Ilustrații: XIX, 603 p. 287 illus., 228 illus. in color.
Dimensiuni: 155 x 235 mm
Greutate: 1.17 kg
Ediția:1st ed. 2017
Editura: Springer International Publishing
Colecția Springer
Seria Advances in Natural and Technological Hazards Research

Locul publicării:Cham, Switzerland

De ce să citești această carte

Această carte este esențială pentru inginerii geotehnicieni și cercetătorii care doresc să înțeleagă comportamentul complex al argilelor senzitive. Cititorul câștigă acces la metodologii validate de diagnosticare și soluții de remediere, fundamentale pentru prevenirea unor catastrofe similare prăbușirii podului Skjeggestad. Este un instrument practic care transformă datele de teren în strategii de management al riscului și politici de siguranță publică.

Despre autor

Vikas Thakur, Jean-Sébastien L'Heureux și Ariane Locat sunt experți recunoscuți în domeniul geotehnicii, cu o vastă experiență în studiul solurilor instabile. Vikas Thakur este profesor de inginerie geotehnică, concentrându-se pe comportamentul materialelor geologice sub stres. Împreună cu echipa editorială, aceștia au coordonat proiecte majore de cercetare în Norvegia și Canada, regiuni critice pentru studiul argilelor senzitive. Expertiza lor combinată asigură echilibrul între rigoarea academică și necesitățile practice ale ingineriei civile moderne, reflectate în această publicație Springer.

Descriere scurtă

This book gathers the most recent scientific research on the geological, geotechnical and geophysical aspects of slope failure in sensitive clays. Gathering contributions by international experts, it focuses on understanding the complete and practical spectrum of challenges presented by landslides in such complex materials. Based on sound and validated research results, the book also presents several recommendations that could be implemented in the guidelines or code-of-practice. These recommendations cover topics including the characterization and behavior of sensitive clays; the pre-failure, failure and post-failure stages of sensitive clays; mapping and identification methods; climate change; hazard assessment; and risk management.
Sensitive clays are known for their potential for causing large landslides, which pose a serious risk to human lives, infrastructure, and surrounding ecosystems within their reach. This has been demonstrated by the recent catastrophic landslides in e.g. Sørum (2016), Skjeggestad (2015), Statland (2014), Byneset (2012), St-Jude (2010), Lyngen (2010) and Kattmarka (2009). The 2015 collapse of the Skjeggestad Bridge in Norway – which was due to a landslide in sensitive clay – alone costs millions of dollars in repairs. Recently, efforts are being made to increase society’s ability to cope with such landslide hazards. Geoscientists are now expected to provide input to the agencies responsible for landslide-risk preparedness. In other words, geoscientists’ role is not only to act as technologists to establish new theories, but also to go the extra mile to implement them in practice, so as to find meaningful solutions to geotechnical problems.

Cuprins

Landslide in sensitive clays: From Research to Implementation .- Part I: Characterization and behavior of sensitive clays.- Sensitive clays of Eastern Canada: from geology to slope stability.- Chemistry: An Essential Key to Understanding High-Sensitivity and Quick Clays and to Ad-dressing Landslide risk.- Improving the post-failure properties in quick clays by treatment with potassium chloride.- CPTU classification diagrams for identification of sensitive clays.- Relationships between shear wave velocity and geotechnical parameters for Norwegian and Swedish sensitive clays.- Geophysical and geotechnical characterization of a sensitive clay deposit in Brownsburg, Quebec.- Investigating how the changes in geotechnical properties of sensitive clays influence their geophysical properties.- Determination of Remoulding Energy of Sensitive Clays.- Problems related to field vane testing in soft soil conditions and improved reliability of measurements using an innovative field vane device.- A new laboratory procedure to study stress relief in soil samples.- Sample disturbance in deep clay samples.- Effects of sample disturbance in the determination of soil parameters for advanced finite element modelling of sensitive clays.- Viscometric tests of sensitive clay from Byneset, Norway, and fit to the Herschel–Bulkley model.- Dynamic properties of a sensitive clay deposit.- Part II: Pre-failure and failure stages.- The role of instability and shear band localisation in triggering landslides in sensitive clays.- Vibratory roller influence zone near slopes with vibration susceptible soils.- Bayesian updating of uncertainties in the stability analysis of natural slopes in sensitive clays.- Potential Landsliding at the North Spur, Churchill River Valley.- Correction factors for undrained LE analyses of sensitive clays.- Advances in determining Δu and su for Limit Equilibrium analyses.- Recommended practice for the use of strength anisotropy factors in stability calculations.- On the benefits of incorporating anisotropy in stability analyses in sensitive clays.- Development and application of a regional slope stability assessment screening tool .- Part III: Post-failure stage.- The use of LiDAR airborne data for retrogressive landslides inventory in sensitive clays, Québec, Canada.- Runout of landslides in sensitive clays.- Parametric analysis of the mobility of debris from flow slides in sensitive clays.- Mapping quick clay hazard zones: Comparison of methods for the estimation of the retrogression distance.- Modelling of the quickness test of sensitive clays using the generalized interpolation material point method.- Back-calculation of the Byneset flow slide using the Voellmy rheology.- Effect of strain softening behaviours on run-out distance of a sensitive clay landslide.- Part IV: Case records, slides in sensitive sediments including offshore and nearshore slides.- The 1908 disaster of Notre-Dame-de-la-Salette, Québec, Canada: analysis of the landslide and tsunami.- Fv. 287 Strandgata – Kjøreplass bru. Road construction in quick clay.- Case study: Characterization of a thick sensitive clay deposit in the St. Lawrence River valley, slope stability analysis and preliminary assessment of permanent deformations.- Revisiting the 1959 quick clay landslide at Sokkelvik, Norway.- Geotechnical evaluation of a quick clay area in Trondheim, Norway.- Saguenay risk management.- Part V: Sensitive clays mapping and identification.- Development of a methodology for quick clay mapping.- Helicopter electromagnetic scanning as a first step in regional quick clay mapping.- Developments in mapping and web presentation of fjord-marine deposit distributions for quick-clay related work in Norway.- Analysis of ground geophysical, airborne TEM, and geotechnical data for mapping quick clays in Sweden.- Investigation of a sensitive clay landslide area using frequency domain helicopter-borne and ground geophysical methods.- The Norwegian National Database for Ground investigations (NADAG) - a tool to assist in landslide hazard zonation and other quick-clay related issues.- Future strategy for soil investigations in quick clay areas .- Part VI: Hazard assessment and risk management.- Reliability of slopes in sensitive clays .- Natural hazards in a changing climate in Norway.- Development of a long term monitoring network of sensitive clay slopes in Québec in the context of climate change.- Practicing hazard mitigation strategies for a construction on a sensitive clay slope.- Mapping of landslide risks in a changing climate – Development of simplified methodology.- Quick-clay hazard mapping in Norway.- Author index.- Subject index.

Notă biografică

Vikas Thakur is professor at the Department of Civil and Environmental Engineering at the Norwegian University of Science and Technology (NTNU). He is expertise in the characterization of soft and sensitive clays, sample disturbances, slope stability, landslides hazard assessment, risk analysis, failure mechanism and strain localization, soft clay stabilization, element testing and physical modelling, finite element modelling, and unsaturated soil mechanics. He is also acknowledge for his pragmatic approaches to bridge the gap between research and practice.Jean-Sebastien L'Heureux is a senior geotechnical engineer and Technical Lead for landslides at the Norwegian Geotechnical Institute (NGI) in Norway. He has a broad experience from research and consulting projects associated with mapping of landslide hazard and risk assessment on- and off-shore. Jean-Sebastien's interest include integration of geophysical, geological and geotechnical data for the understanding of soil behaviour, in situ testing and slope processes in sensitive clay terrain.

Ariane Locat is a professor at the Civil Engineering and Water Engineering Department of Université Laval, in Canada. Her main research topic is investigation and characterisation of large landslides in sensitive clays. Her interests include the nature of soil and its mechanical behaviour, slope stability, and risk analysis.

 

Caracteristici

Offers a state-of-the-art perspective on landslides of sensitive clays slopes and their consequences Introduces the emerging technologies and research based tools useful for decision making and preparedness Considers climate change, nearshore and submarine landslides Integrates geotechnical and geophysical investigation for sensitive clays Advances the knowledge and ideas presented in the Springer book “Landslide in sensitive clays: from Geoscience to Risk Management” (2014) Implements research results and validates them using real cases