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Author: José Gabriel Goméz Cortés Publisher: Universidad Nacional de Colombia ISBN: 9587948939 Category : Technology & Engineering Languages : es Pages : 472
Book Description
Durabilidad del concreto reforzado es un libro de divulgación académica que presenta los temas esenciales sobre el comportamiento del concreto simple y reforzado ante la acción física y química de diferentes agentes externos. Adicionalmente, este libro recoge los resultados de investigaciones realizadas por el autor y sus experiencias en el área de la patología de estructuras en dicho material. En la actualidad, la permanencia de las construcciones es un aspecto determinante de la seguridad estructural, por esta razón se invita a considerar la durabilidad "por convicción mas que por coacción" en el diseño de las estructuras de concreto reforzado. La obra describe las propiedades físicas y químicas del concreto, haciendo énfasis en su permeabilidad. También presenta los diferentes agentes químicos que pueden atacarlo, como los sulfatos y los ácidos. Una parte importante del libro está dedicada a la reactividad del álcali en las partículas de agregado y a los procesos de carbonatación en el concreto. De igual manera, en su contenido se aborda el comportamiento de la piel del concreto normal y las particularidades en la durabilidad de los concretos de alto desempeño. Se cierra esta obra con la descripción del fenómeno de corrosión de las barras de acero de refuerzo.
Author: José Gabriel Goméz Cortés Publisher: Universidad Nacional de Colombia ISBN: 9587948939 Category : Technology & Engineering Languages : es Pages : 472
Book Description
Durabilidad del concreto reforzado es un libro de divulgación académica que presenta los temas esenciales sobre el comportamiento del concreto simple y reforzado ante la acción física y química de diferentes agentes externos. Adicionalmente, este libro recoge los resultados de investigaciones realizadas por el autor y sus experiencias en el área de la patología de estructuras en dicho material. En la actualidad, la permanencia de las construcciones es un aspecto determinante de la seguridad estructural, por esta razón se invita a considerar la durabilidad "por convicción mas que por coacción" en el diseño de las estructuras de concreto reforzado. La obra describe las propiedades físicas y químicas del concreto, haciendo énfasis en su permeabilidad. También presenta los diferentes agentes químicos que pueden atacarlo, como los sulfatos y los ácidos. Una parte importante del libro está dedicada a la reactividad del álcali en las partículas de agregado y a los procesos de carbonatación en el concreto. De igual manera, en su contenido se aborda el comportamiento de la piel del concreto normal y las particularidades en la durabilidad de los concretos de alto desempeño. Se cierra esta obra con la descripción del fenómeno de corrosión de las barras de acero de refuerzo.
Author: Khosrow Ghavami Publisher: Materials Research Forum LLC ISBN: 1945291826 Category : Technology & Engineering Languages : en Pages : 826
Book Description
The book presents new research in the area of biobased “green composites”. Biobased materials involve renewable agricultural and forestry feedstocks, including wood, agricultural waste, grasses and natural plant fibers. These lignocellulosic materials are composed mainly of carbohydrates such as sugar and lignin, cellulose, vegetable oils and proteins. Much research is concerned with renewable materials such as bamboo, vegetable fibers, soil composites and recycled materials such as rice husk ash and sugar cane ash. The general aim here is to use renewable and non-polluting materials in ways that offer a high degree of sustainability and preserve the remaining natural resources for future generations. Keywords: Biobased Materials, Renewable Materials, Non-polluting Materials, Sustainability, Wood, Agricultural Waste, Grasses, Natural Plant Fibers, Lignocellulosic Materials, Carbohydrates, Sugars, Lignin, Cellulose, Vegetable Oils, Proteins, Bamboo, Vegetable Fibers, Soil Composites, Recycled Materials, Rice Husk Ash, Sugar Cane Ash, Fiber-reinforced Concrete, Post-disaster Reconstruction, Guadua Fibers, Prefabricated Bamboo Guadua Panels, Multi-Level Bamboo Structures, Alkaline Activated Cements, Polymer Residues Reinforced with Glass Fiber, Composites Reinforced with Vegetal Fibers, Sisal Fibers, Bamboo Arch Structure, Adobe Reinforced with Wheat Fibers, Fiber Reinforced Microconcrete, Cements with High Coal Waste Contents, Natural Composites, Geopolymer Concretes.
Author: Emilio Bastidas Arteaga Publisher: Universidad de los Andes ISBN: 9586956695 Category : Science Languages : en Pages : 197
Book Description
One of the advantages of reinforced concrete (RC) structures is its durability. However, when they are exposed to aggressive environments (e.g., chloride penetration) and cyclic loading, its performance can be significantly affected. Modeling deterioration produced by chloride penetration is useful to ensure optimal levels of serviceability and safety. The main purpose of this book is to propose a new model for lifetime assessment of RC structures subjected to deterioration produced by the combined action of corrosion and fatigue. The formulation of the model is based on a state of the art review on modeling of this kind of deterioration. Furthermore, taking into account the importance of the uncertainty related to the whole deterioration process, this book also presents a stochastic framework for this problem. Finally, several practical examples illustrate the effects of the corrosion-fatigue process in the reduction of life-cycle of RC structures.
Author: Walter F. Silva-Araya Publisher: ASCE Publications ISBN: 9780784402993 Category : Technology & Engineering Languages : en Pages : 276
Book Description
This volume of proceedings presents ongoing research activities and experience in fields related to rehabilitation of reinforced concrete structures from different points of view and in different countries. Benefitting researchers and practicing engineers alike, this state-of-the-art compendium provides a mechanism of technology transfer while attempting to foster international collaboration.
Author: fib Fédération internationale du béton Publisher: fib Fédération internationale du béton ISBN: 9782883940741 Category : Technology & Engineering Languages : en Pages : 128
Book Description
fib Bulletin 34 addresses Service Life Design (SLD) for plain concrete, reinforced concrete and pre-stressed concrete structures, with a special focus on design provisions for managing the adverse effects of degradation. Its objective is to identify agreed durability related models and to prepare the framework for standardization of performance based design approaches. Four different options for SLD are given: - a full probabilistic approach, - a semi probabilistic approach (partial factor design), - deemed to satisfy rules, - avoidance of deterioration. The service life design approaches described in this document may be applied for the design of new structures, for updating the service life design if the structure exists and real material properties and/or the interaction of environment and structure can be measured (real concrete covers, carbonation depths), and for calculating residual service life. The bulletin is divided into five chapters: 1. General 2. Basis of design 3. Verification of Service Life Design 4. Execution and its quality management 5. Maintenance and condition control It also includes four informative annexes, which give background information and examples of procedures and deterioration models for the application in SLD. The format of Bulletin 34 follows the CEB-FIP tradition for Model Codes: the main provisions are given on the right-hand side of the page, and on the left-hand side, the comments. Note: An Italian translation of Bulletin 34 is also available; contact us for further details.
Author: José Gabriel Goméz Cortés
Author: José Gabriel Goméz Cortés
Author: Khosrow Ghavami
Author: Emilio Bastidas Arteaga
Author: 
Author: Walter F. Silva-Araya
Author: 
Author: 
Author: American Concrete Institute. Annual Convention
Author: 
Author: fib Fédération internationale du béton