Описание: This book discusses the behaviour of isolated concrete bottle-shaped struts affected by internal expansion reactions (ISR). For that purpose, the numerical modelling of damaged concrete was performed using the Concrete Damaged Plasticity Model (CDPM) implemented in ABAQUS and validated the model through Sankovich's tests. A procedure to automatically obtain the concrete plasticity and damage parameters, essential for CDPM, was developed in Matlab. The inputs were the characteristic compressive strength of the concrete, the equivalent length of the finite element mesh and the ratio between the plastic and inelastic compressive strains. The results showed that the CDPM could represent the load-bearing mechanisms of isolated concrete bottle-shaped struts for a range of several stress levels to which these elements may be subjected in the panels investigated. The numerical simulations for different expansion levels consistently captured the expected damage profile of the panels and the load corresponding to the formation of the first crack, the estimated crack opening, and the ultimate load. For the panels investigated, the reduction observed in the failure load reached values close to 70%, the increase of the tensile plastic deformation was more than 60%, and the maximum crack opening can reach an increase of 113% when compared with those observed experimentally in panels without internal swelling reactions The book also offers a systematic review of the current state of knowledge and it is a valuable resource for scientists, students, practitioners, and lecturers in various scientific and engineering disciplines, namely, civil and materials engineering, as well as and other interested parties.
Автор: Sims, Ian Название: Alkali-Aggregate Reaction in Concrete ISBN: 0367573334 ISBN-13(EAN): 9780367573331 Издательство: Taylor&Francis Рейтинг: Цена: 8114.00 р. Наличие на складе: Нет в наличии.
Название: Alkali-Aggregate Reaction in Concrete ISBN: 1138027561 ISBN-13(EAN): 9781138027565 Издательство: Taylor&Francis Рейтинг: Цена: 35983.00 р. Наличие на складе: Нет в наличии.
Описание: This book contains the full set of RILEM Recommendations which have been produced to enable engineers, specifiers and testing houses to design and produce concrete which will not suffer damage arising from alkali reactions in the concrete.
Автор: Ghosh, Kushal (national Institute Of Technology, Sikkim, India) Ghosh, Partha (jadavpur University, Kolkata, India) Название: Alkali activated fly ash ISBN: 0367535556 ISBN-13(EAN): 9780367535551 Издательство: Taylor&Francis Рейтинг: Цена: 9186.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This book covers relevant synthesizing parameters, their interactions, and advantages of blending fly ash and blast furnace slag as source material, their relationship with mechanical properties and microstructure including guidelines to produce an optimal mix proportion. Further, it discusses related durability aspects, mechanical properties and reaction products and their inter-relationship. It explains phase characterization with XRD/SEM, change in the bond formulations with FTIR, FESEM and EDAX analysis. A mix design guideline based on empirical statistical concept has been put forward for professionals to manufacture customized activated fly ash composites in presence of slag. Aimed at graduate/senior undergraduate students, researchers in civil engineering, construction engineering, ceramics, material sciences, this book:Covers mechanical and microstructural properties, curing, durability of blended Alkali- activated composites with fly ash and blast furnace slag.Proposes a guideline for mix design on chemical compositions of ingredients, relationship of synthesizing parameters, workability, target strength.Describes sustainable green material manufacturing methodologies.Discusses issues like microstructural properties and reaction mechanism.Explores related modern experimental techniques like XRD, FTIR, MIP and so forth.
Автор: John L. Provis; Jannie S. J. van Deventer Название: Alkali Activated Materials ISBN: 9402402780 ISBN-13(EAN): 9789402402780 Издательство: Springer Рейтинг: Цена: 17096.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Here is a unique collection of information from the leading academic and commercial practitioners in alkali-activated materials. It offers insight into materials chemistry and its role in durability, commercialisation, and standardisation.
Автор: Rashad Название: Silica Fume in Geopolymers ISBN: 3031332180 ISBN-13(EAN): 9783031332180 Издательство: Springer Рейтинг: Цена: 5487.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This book provides a comprehensive review of past studies that have investigated the effects of Silica Fume (SF) on the properties of geopolymers in its three different forms: as an additive to the precursor, as part of an activator, or as a foaming agent. By analyzing previous studies, this book aims to provide a clear understanding of the positive and negative effects of recycling SF into various geopolymer types. It is a valuable resource for researchers, academics, and professionals working in the field of geopolymer technology and cementitious materials.
Описание: The book presents the preparation and characterization of a novel silica-polymer composite including moulding, preparation, and characterization for application in the construction industry. It also includes characterization of prepared materials to ascertain mechanical, chemical, and physical properties and analyses results, thus obtained.
Автор: John L. Provis; Jannie S. J. van Deventer Название: Alkali Activated Materials ISBN: 9400776713 ISBN-13(EAN): 9789400776715 Издательство: Springer Рейтинг: Цена: 20516.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Here is a unique collection of information from the leading academic and commercial practitioners in alkali-activated materials. It offers insight into materials chemistry and its role in durability, commercialisation, and standardisation.
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