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Experimental investigations for the modelling of anhydritic swelling claystones

Experimental investigations for the modelling of anhydritic swelling claystones
Author: Tara Wanninger (-Huber)
Publisher: vdf Hochschulverlag AG
Total Pages: 344
Release: 2020-07-01
Genre: Technology & Engineering
ISBN: 3728140112

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Experimental investigations for the modelling of anhydritic swelling claystones


On the dissolution, precipitation and transport processes in sulphatic swelling rocks

On the dissolution, precipitation and transport processes in sulphatic swelling rocks
Author: Konstantinos Serafeimidis
Publisher: vdf Hochschulverlag AG
Total Pages: 250
Release: 2014-10-22
Genre: Technology & Engineering
ISBN: 3728136468

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Sulphatic claystones are among the most problematic rocks in tunnelling due to their distinctive swelling properties. They are known to have caused severe damage, for example, to numerous tunnels excavated in the Gypsum Keuper formation. The repairs were extremely costly and time-consuming, and often provided only a temporary solution. The setbacks experienced in tunnelling through Gypsum Keuper may be attributed, among other things, to our limited knowledge of the macroscopic principles governing the swelling process and the underlying microscopic mechanisms. The issues in question have formed the focal point of long-standing research in the Chair of Underground Construction at ETH Zurich. A series of theoretical and experimental research projects are being conducted to investigate the interactions between chemical reactions, transport processes and the observed macroscopic behaviour. The objective of the investigations is to improve our understanding of swelling processes in order to yield a scientifically established basis for design. This work has achieved important progress towards this objective. It has systematically and comprehensively analysed the thermodynamics and the kinetics of the chemical reactions involved in the swelling process, as well as their interplay with advective and diffusive ion transport. The topic is of great value in terms of further investigation in this area.


Constitutive Modeling of Geomaterials

Constitutive Modeling of Geomaterials
Author: Qiang Yang
Publisher: Springer Science & Business Media
Total Pages: 779
Release: 2012-08-22
Genre: Science
ISBN: 3642328148

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The Second International Symposium on Constitutive Modeling of Geomaterials: Advances and New Applications (IS-Model 2012), is to be held in Beijing, China, during October 15-16, 2012. The symposium is organized by Tsinghua University, the International Association for Computer Methods and Advances in Geomechanics (IACMAG), the Committee of Numerical and Physical Modeling of Rock Mass, Chinese Society for Rock Mechanics and Engineering, and the Committee of Constitutive Relations and Strength Theory, China Institution of Soil Mechanics and Geotechnical Engineering, China Civil Engineering Society. This Symposium follows the first successful International Workshop on Constitutive Modeling held in Hong Kong, which was organized by Prof. JH Yin in 2007. Constitutive modeling of geomaterials has been an active research area for a long period of time. Different approaches have been used in the development of various constitutive models. A number of models have been implemented in the numerical analyses of geotechnical structures. The objective of the symposium is to provide a forum for researchers and engineers working or interested in the area of constitutive modeling to meet together and share new ideas, achievements and experiences through presentations and discussions. Emphasis is placed on recent advances of constitutive modeling and its applications in both theoretic and experimental aspects. Six famous scholars have been invited for the plenary speeches of the symposiums. Some prominent scholars have been invited to organize four specialized workshops on hot topics, including “Time-dependent stress-strain behavior of geomaterials”, “Constitutive modeling within critical state soil mechanics”, “Multiscale and multiphysics in geomaterials”, and “Damage to failure in rock structures”. A total of 49 papers are included in the above topics. In addition, 51 papers are grouped under three topics covering “Behaviour of geomaterials”, “Constitutive model”, and “Applications”. The editors expect that the book can be helpful as a reference to all those in the field of constitutive modeling of geomaterials.


Rock Mechanics Based on an Anisotropic Jointed Rock Model (AJRM)

Rock Mechanics Based on an Anisotropic Jointed Rock Model (AJRM)
Author: Walter Wittke
Publisher: John Wiley & Sons
Total Pages: 865
Release: 2014-04-07
Genre: Technology & Engineering
ISBN: 3433604290

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Dieses Buch konzentriert sich auf die Grundlagen der Felsmechanik als Basis für den sicheren und wirtschaftlichen Entwurf und Bau von Tunneln, Dämmen und Böschungen in geklüftetem und anisotropem Fels. Es ist in vier Hauptteile gegliedert: Grundlagen und Modelle Berechnungs- und Entwurfsmethoden Erkundungen, Versuche, Messung und Beobachtung Anwendungen und Fallbeispiele. Die felsmechanischen Modelle berücksichtigen den Einfluss von Trennflächen auf das Spannungs-Dehnungs-Verhalten und die Durchlässigkeit von geklüftetem Fels. Dieses Buch ist für: Bau- und Bergbauingenieure Geologen Studenten aus den entsprechenden Bereichen


Tunnels and Underground Cities: Engineering and Innovation Meet Archaeology, Architecture and Art

Tunnels and Underground Cities: Engineering and Innovation Meet Archaeology, Architecture and Art
Author: Daniele Peila
Publisher: CRC Press
Total Pages: 563
Release: 2020-05-18
Genre: Technology & Engineering
ISBN: 1000178943

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Tunnels and Underground Cities: Engineering and Innovation meet Archaeology, Architecture and Art. Volume 11: Urban Tunnels - Part 1 contains the contributions presented in the eponymous Technical Session during the World Tunnel Congress 2019 (Naples, Italy, 3-9 May 2019). The use of underground space is continuing to grow, due to global urbanization, public demand for efficient transportation, and energy saving, production and distribution. The growing need for space at ground level, along with its continuous value increase and the challenges of energy saving and achieving sustainable development objectives, demand greater and better use of the underground space to ensure that it supports sustainable, resilient and more liveable cities. The contributions cover a wide range of topics, from geomechanical behavior evaluation, evaluation of long-term tunnel behaviour, via monitoring excavation-related ground deformation to risk management for tunneling-induced deformations. The book is a valuable reference text for tunnelling specialists, owners, engineers, archaeologists, architects, artists and others involved in underground planning, design and building around the world, and for academics who are interested in underground constructions and geotechnics.


New Challenges in Rock Mechanics and Rock Engineering

New Challenges in Rock Mechanics and Rock Engineering
Author: Roberto Tomás
Publisher: CRC Press
Total Pages: 1585
Release: 2024-07-29
Genre: Technology & Engineering
ISBN: 1040225756

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New Challenges in Rock Mechanics and Rock Engineering includes the contributions presented at the ISRM European Rock Mechanics Symposium Eurock 2024 (Alicante, Spain, 15-19 July 2024), and explores cutting-edge advancements in rock mechanics and rock engineering. This comprehensive compilation covers various aspects of rock mechanics and rock engineering, including: rock properties, testing methods, infrastructure and mining rock mechanics, design analysis, stone heritage preservation, geophysics, numerical modeling, monitoring techniques, underground excavation support, risk assessment, and the application of EUROCODE-7 in rock engineering. Furthermore, it addresses areas like geomechanics for the oil and gas industry, applications of artificial intelligence, remote sensing methodologies and geothermal technology. New Challenges in Rock Mechanics and Rock Engineering covers the latest breakthroughs and tackles the new challenges in rock mechanics and rock engineering, is aimed at scientists and professionals in these fields, and serves as an essential resource for keeping up to date with industry trends and solutions.


Geotechnical abstracts

Geotechnical abstracts
Author:
Publisher:
Total Pages: 634
Release: 1978
Genre:
ISBN:

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Geotechnical Risk in Rock Tunnels

Geotechnical Risk in Rock Tunnels
Author: Antnio Campos e Matos
Publisher: CRC Press
Total Pages: 200
Release: 2006-06-08
Genre: Technology & Engineering
ISBN: 020396358X

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Tunnels have a high degree of risk that needs to be assessed and managed. Underground works intersect and interact with natural materials, incorporating their characteristics as structural components of their own stability. For this reason geotechnical risk analyses are implemented at all phases of tunnel construction, from design through to post-c