Abstract
International audience This books offers a unique and complete collection of the current knowledge in this new technological area backed up xith the well proven experience of CRATerre-EAG. It offers the tools for action, which can be helped by theoretical as well as practical advise-elements that are essential for a useful extension of the knowledge. This book is also setting out a common language and the scientific and technological culutre of earth construction that will not only help the scientific community to take stock of this area of study, but also to repond to the expectation of non scientists desiring to understand the issues