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Book Description
Un axe de développement durable se décline dans le recyclage et la valorisation de la majorité des déchets. En effet, en France, on estime à environ 50 millions de m3 le volume moyen de sédiments dragués annuellement. Dans les travaux de recherche présentés dans cette thèse, une valorisation d’un sédiment dragué au port autonome du Havre est proposée. Quatre liants: chaux, cendre volante, ciment et fumée de silice ont été utilisés dans cet objectif. Après une introduction générale sur le traitement des sédiments dragués, une étude bibliographique est présentée au chapitre II. Le chapitre III est consacré aux caractéristiques d’un sédiment traité. Une méthodologie de préparation des échantillons est ensuite donnée au chapitre IV. Le chapitre V présente alors l’analyse et l’interprétation des résultats des essais. Finalement des conclusions et des perspectives sont proposées au chapitre VI. Au terme de ces travaux, l’utilisation des sédiments dragués en tant que matériau possible dans le domaine routier apparaît tout à fait envisageable. Un procédé de traitement de sédiments fins, pollués par une huile de vidange est présenté. Les performances mécaniques et la durabilité du sédiment traité avec de la fumée de silice et du ciment sont améliorées.
Book Description
Un axe de développement durable se décline dans le recyclage et la valorisation de la majorité des déchets. En effet, en France, on estime à environ 50 millions de m3 le volume moyen de sédiments dragués annuellement. Dans les travaux de recherche présentés dans cette thèse, une valorisation d’un sédiment dragué au port autonome du Havre est proposée. Quatre liants: chaux, cendre volante, ciment et fumée de silice ont été utilisés dans cet objectif. Après une introduction générale sur le traitement des sédiments dragués, une étude bibliographique est présentée au chapitre II. Le chapitre III est consacré aux caractéristiques d’un sédiment traité. Une méthodologie de préparation des échantillons est ensuite donnée au chapitre IV. Le chapitre V présente alors l’analyse et l’interprétation des résultats des essais. Finalement des conclusions et des perspectives sont proposées au chapitre VI. Au terme de ces travaux, l’utilisation des sédiments dragués en tant que matériau possible dans le domaine routier apparaît tout à fait envisageable. Un procédé de traitement de sédiments fins, pollués par une huile de vidange est présenté. Les performances mécaniques et la durabilité du sédiment traité avec de la fumée de silice et du ciment sont améliorées.
Author: Linda Strande Publisher: IWA Publishing ISBN: 1780404735 Category : Technology & Engineering Languages : en Pages : 428
Book Description
It is estimated that literally billions of residents in urban and peri-urban areas of Africa, Asia, and Latin America are served by onsite sanitation systems (e.g. various types of latrines and septic tanks). Until recently, the management of faecal sludge from these onsite systems has been grossly neglected, partially as a result of them being considered temporary solutions until sewer-based systems could be implemented. However, the perception of onsite or decentralized sanitation technologies for urban areas is gradually changing, and is increasingly being considered as long-term, sustainable options in urban areas, especially in low- and middle-income countries that lack sewer infrastructures. This is the first book dedicated to faecal sludge management. It compiles the current state of knowledge of the rapidly evolving field of faecal sludge management, and presents an integrated approach that includes technology, management, and planning based on Sandecs 20 years of experience in the field. Faecal Sludge Management: Systems Approach for Implementation and Operation addresses the organization of the entire faecal sludge management service chain, from the collection and transport of sludge, and the current state of knowledge of treatment options, to the final end use or disposal of treated sludge. The book also presents important factors to consider when evaluating and upscaling new treatment technology options. The book is designed for undergraduate and graduate students, and engineers and practitioners in the field who have some basic knowledge of environmental and/or wastewater engineering.
Author: H. R. Sasse Publisher: Springer ISBN: Category : Science Languages : en Pages : 792
Book Description
Preface Adhesion is a phenomenon architects and civil engineers are not very familiar with. In other disciplines knowledge about surface properties and the background of bonding energies is also far from satisfactory; nevertheless there are many important· applications in concrete engineering, where adhesion is necessary for success and durability. These include: - coating and painting - repair of concrete surfaces - bonding of fresh to old concrete - crack injection - glueing of precast elements - glueing of steel to concrete, etc. In 1981 RILEM established the technical committee 52-RAC 'Resin Adherence to Concrete'. The main aims of the committee's work were - to collect research results and practical experiences - to initiate and coordinate research programs - to develop, on a scientific base, test methods for field and for laboratory purposes. One of the results of the committee's work is a state-of-the-art report, which will be presented orally as a General Report at the International Symposium ISAP '86, and will be printed either in the RILEM journal Materials and Structures or separately. Several test recommendations have been elaborated and will be prepared as drafts for the participants ofISAP '86. These are: - direct tensile test - pull-off test - direct shear test - slant shear test - four-point bending test - dynamic loading test - thermal compatibility test (two versions) - injectibility test.
Author: Don Montague Publisher: Taylor & Francis ISBN: 9780419199106 Category : Architecture Languages : en Pages : 472
Book Description
This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Book Description
Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.
Author: International Livestock Research Institute Publisher: ILRI (aka ILCA and ILRAD) ISBN: 9789291460038 Category : Animal industry Languages : en Pages : 268
Book Description
Policy concepts; Identification of policy issues; Production systems, supply and demand; Market, price and trade policies; Marketing and distribution systems; Budget and manpower planning; Land tenure police for the livestock sector; Policy analysis report writing and communication; Livestock production and marketing in alphabeta - a case study.
Author: Amer Ali Al-Rawas Publisher: Taylor & Francis ISBN: 1134154399 Category : Technology & Engineering Languages : en Pages : 540
Book Description
Expansive Soils provides the reader with easy and specific access to problems associated with expansive soils, characterisitics and treatment, and evaluation and remediation. Set up with contributions from worlwide expert, this main reference guide is intended for engineers, researchers and senior students working on soil
Author: David M. Robbins Publisher: IWA Publishing ISBN: 178040476X Category : Science Languages : en Pages : 148
Book Description
This is a practical handbook providing a step-by-step approach to the techniques used for characterizing wastewater sources and investigating sites where collection, treatment and reuse/disposal technologies will be installed. It is intended to help enable local implementation of on-site and decentralized wastewater management system (DWMS)for wide scale use in development settings. How to Design Wastewater Systems for Local Conditions in Developing Countries helps local service providers and regulatory officials make informed decisions through the use of tools, checklists and case studies. It includes a link to a web based community of on-site and decentralized wastewater professionals, which contains related tools and case studies. This handbook serves as a reference for training classes, certification programs, and higher education programs in civil and sanitary engineering. There is an increasing interest on the part of local government officials and private sector service providers to implement wastewater treatment systems to solve sanitation problems. The model presented in this handbook promotes activities that first generate data related to source and site conditions that represent critical inputs, and then applies this information to the technology selection process. Matching the most appropriate technologies to the specific needs of the wastewater project is the key that leads to long term sustainability. How to Design Wastewater Systems for Local Conditions in Developing Countries is an invaluable resource for public sector decision makers and private sector service providers in developing countries. It is also a useful text for students at engineering colleges in developing countries interested in taking a class that teaches the methods of decentralized wastewater management system (DWMS) development.
Author: Javad Behmanesh
Author: Javad Behmanesh
Author: Linda Strande
Author: H. R. Sasse
Author: Don Montague
Author: Leslie Rainer
Author: International Livestock Research Institute
Author: Amer Ali Al-Rawas
Author: David M. Robbins
Author: Elizabeth Tilley
Author: