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Modern Earth Structures for Transport Engineering
Engineering and Sustainability Aspects
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Modern Earth Structures for Transport Engineering: Engineering and Sustainability Aspects
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Book Description
Nowadays, demands on modern civil engineering structures require not only safe technical solutions, but also additional approaches, involving ecological, sociological and economical aspects. This book reacts on these new requirements with a focus on earth structures for transport engineering, mainly for motorways and railways. Technical demands have to be adequately related to the risk with which the design and execution are connected. Soil used for the construction, together with subsoil, are natural materials with a high degree of inhomogeneity. Therefore, the risk when constructing with such materials is much higher than for structures utilizing man-made materials. The engineering approach is firstly focused on the geotechnical risk identification and subsequently on the reduction of this risk. Geotechnical risk is linked to the uncertainties for individual phases of the design and construction processes. Ground model, geotechnical design model, calculation model and structure execution are the main phases of the above-mentioned processes. Risk reduction involves the lowering of the range of uncertainties for individual phases, guaranteeing safe and optimal technical solutions. Eurocode 7 "Geotechnical design" creates a general frame of this risk identification and reduction approach. Earth structures are offering great opportunities for sustainability approach. Therefore, the possibilities how to decrease consumption of land (greenfields), energy and natural aggregates are at the centre of interest. In parallel to sustainability, the principles of availability and affordability for transport infrastructures are discussed. The main aim there is to eliminate the impact of interaction of the transport infrastructure with natural and man-made hazards, thus guaranteeing long-term functionality.
This book will be of interest to specialists responsible for transport infrastructure planning, investors (project owners) of motorways and railways and environmental engineers. The main focus is on those responsible for geotechnical investigations, earth structures design and on contractors of such structures.
Table of Contents
1 Introduction
2 Risk in geotechnical engineering
2.1 Risk evaluation
3 Geotechnical risk reduction during earth structures of transport engineering design
3.1 Basic principles of the geotechnical structure design
3.2 Geotechnical/Ground model
3.3 Geotechnical design model – characteristic values determination
3.4 Calculation model
3.5 Geotechnical design report
3.6 Structure construction
3.7 Maintenance
3.8 Geotechnical construction record
3.9 BIM and geotechnical engineering
4 Sustainability design approach
4.1 Importance of accepting the sustainability principle from the very beginning
4.2 Land savings
4.3 Natural aggregate savings
4.4 Energy savings
4.5 Structure maintenance
5 Availability and affordability approaches
5.1 Interaction of transport infrastructure with natural hazards
5.2 Interaction of transport infrastructure with man-made hazards (accidents)
6 Conclusion and final recommendations
6.1 For Ground model
6.2 For Geotechnical design model
6.3 For Calculation model
6.4 For Structure execution
Author(s)
Biography
Ivan Vaníček is Professor in Soil Mechanics and Foundation Engineering at the Czech Technical University in Prague. His research interests are tensile soil characteristics, tensile cracks, application of geosynthetics and environmental geotechnics, all with focus on the design and behaviour of earth structures. Consulting activities: about 500 cases local and abroad. He is chairman of the Czech Geotechnical Society, organizer of 13th European conference on Soil Mechanics and Geotechnical Engineering in Prague 2003, past vice-president of ISSMGE for Europe (2009-2013). Member of the ELGIP platform. He presented invited lectures in more than 40 countries. He is author and co-author of many textbooks, and monographies such as "Earth structures in Transport, Water and Environmental Engineering"; Sustainable construction, Micro-measuring and monitoring system for ageing underground infrastructures. Activities in CEN250/SC7, namely WG 1 – preparation of the second generation of EC 7 Geotechnical design.
Daniel Jirásko is lecturer at the Czech Technical University in Prague; consultant and designer. He has work experience in the UK for 1 year in a consulting company and half a year in Iraq as a supervisor and consultant for several dam projects. His research interests are in environmental geotechnics, earth structures and rock fall. He is a board member of the Czech Geotechnical Society and the Czech & Slovak chapter of ISSMGE, as well as a member of ELGIP (European large geotechnical institutes platform).
Martin Vaníček is technical director, designer, and consultant. His research interests are in calculation models for Earth structures, mainly reinforced by geosynthetics and contaminant transport. He has work experience in Belgium for 1 year in a nuclear research centre and in the United Kingdom for 4 years in a consulting company. He is member of the Czech Geotechnical Society, Czech & Slovak chapter of ISSMGE, author and co-author of many papers and co-author of a monograph on "Earth Structures in Transport, Water and Environmental Engineering". He is a member of a project team preparing part of the second generation of Eurocode 7. On ISSMGE European conferences he had an active role during the last about 15 years.