Corrosión de estructuras de hormigón debida a la acción de macro pares situados en paralelo PDF Download
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Author: Isabel Rodríguez-Maribona
Publisher:
ISBN:
Category :
Languages : es
Pages : 306
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Book Description
Author: Isabel Rodríguez-Maribona
Publisher:
ISBN:
Category :
Languages : es
Pages : 306
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : es
Pages :
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Book Description
Frecuentemente, en el hormigon armado se presentan zonas con diferente velocidad de corrosion, que si se encuentran conectadas electrica y electro liticamente, dan lugar a la formacion de macropilas, actuando la zona con mayor velocidad de corrosion como anodo, y la mas pasiva como catodo. Aunque muchos autores afirman que la accion de las macropilas acelera en gran medida el proceso de corrosion de las estructuras de hormigon, hasta la fecha no existen datos experimentales que lo confirmen. En la presente Tesis Doctoral se demuestra, mediante ensayos electroqui micos, en disoluciones que simulan la fase acuosa del hormigon, probetas de mortero y probetas de hormigon armado de grandes dimensiones, que la accion de las macropilas resulta muy poco significativa en los casos en los que simultanemanete existan macropilas (cuando el anado ...
Author: Rayner M. Mayer
Publisher:
ISBN: 9780852989579
Category : Blades
Languages : en
Pages : 246
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Author: National Research Council
Publisher: National Academies Press
ISBN: 030911022X
Category : Science
Languages : en
Pages : 183
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Book Description
Coal will continue to provide a major portion of energy requirements in the United States for at least the next several decades. It is imperative that accurate information describing the amount, location, and quality of the coal resources and reserves be available to fulfill energy needs. It is also important that the United States extract its coal resources efficiently, safely, and in an environmentally responsible manner. A renewed focus on federal support for coal-related research, coordinated across agencies and with the active participation of the states and industrial sector, is a critical element for each of these requirements. Coal focuses on the research and development needs and priorities in the areas of coal resource and reserve assessments, coal mining and processing, transportation of coal and coal products, and coal utilization.
Author: João Guilherme Biehl
Publisher: Univ of California Press
ISBN: 0520247930
Category : Philosophy
Languages : en
Pages : 477
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Book Description
Talks about the ways personal lives are being undone and remade today. This book examines the ethnography of the modern subject, probes the continuity and diversity of modes of personhood across a range of Western and non-Western societies. It considers what happens to individual subjectivity when environments such as communities are transformed.
Author:
Publisher:
ISBN:
Category : Ecology
Languages : en
Pages : 124
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Book Description
Author: International Association for People-Environment Studies. Conference
Publisher: Hogrefe & Huber Publishing
ISBN:
Category : Business & Economics
Languages : en
Pages : 326
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Book Description
The design and functioning of urban environments is difficult and complex, and because of the competitive nature of urban planning today, it often does not have the input required from a verity of disciplines, ranging from psychologists and sociologists to architects and planners. Researchers from these areas are, however, uniquely placed to monitor success and advise on what works. This interdisciplinary volume does exactly that, with contributions by experts from around the world. Based on the best applied research presented at the 18th meeting of the International Association of People-Environment Studies, IAPS18, held in Vienna, this volume concentrates on theories and methods in planning and monitoring, environmental, health, and social impact assessment, post-occupancy evaluations (POEs), computer modeling, and various simulation tools. It is thus a fascinating and up-to-date review for researchers, professional practitioners, and policy makers.
Author: Roberta Garabello
Publisher: Martinus Nijhoff Publishers
ISBN: 9789041122032
Category : Law
Languages : en
Pages : 320
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Book Description
The 2001 UNESCO Convention on the Protection of the Underwater Cultural Heritage represents a major step forward in the field of international law. New archaeological rules as well as a comprehensive co-operation system among the States concerned are set up by the new Convention. Despite the negative attitude assumed by few States at the moment of voting for the text of the Convention, this new international instrument is welcome by the great majority of States. This volume focuses on the main aspects of the Convention. It is divided in two parts, to describe the situation before and after the adoption (and the forthcoming into force) of the Convention. In the first part the contradictions resulting from the regime established under the 1982 United Nations Convention on the Law of the Sea are analysed together with the undesirable results of the application of the rules of admiralty (law of salvage and law of finds) to the underwater cultural heritage. In the second part the negotiation process is described, both in its general aspects (the myths surrounding the draft) and in its specific results (the drafting of each single provision).
Author: Kenneth J. Gergen
Publisher: Harvard University Press
ISBN: 9780674037540
Category : Psychology
Languages : en
Pages : 372
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Book Description
Recent attempts to challenge the primacy of reason--and its realization in foundationalist accounts of knowledge and cognitive formulations of human action--have focused on processes of discourse. Drawing from social and literary accounts of discourse, Kenneth Gergen considers these challenges to empiricism under the banner of "social construction." His aim is to outline the major elements of a social constructionist perspective, to illustrate its potential, and to initiate debate on the future of constructionist pursuits in the human sciences generally and psychology in particular.
