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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.
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: James E. Mark Publisher: ISBN: Category : Science Languages : en Pages : 430
Book Description
The contents have been divided into sections on physical states of polymers and characterization techniques. Chapters on physical states include discussions of the rubber elastic state, the glassy state, melts and concentrated solutions, the crystalline state, and the mesomorphic state. Characterization techniques described are molecular spectroscopy and scattering techniques.
Author: Bo Song Publisher: Springer ISBN: 3319224522 Category : Technology & Engineering Languages : en Pages : 265
Book Description
Dynamic Behavior of Materials, Volume 1 represents the first of nine volumes of technical papers presented at the Society for Experimental Mechanics SEM 15th International Congress & Exposition on Experimental and Applied Mechanics, held at Costa Mesa, California, June 8-11, 2015. The full set of proceedings also includes volumes on: Challenges in Mechanics of Time Dependent Materials, Advancement of Optical Methods in Experimental Mechanics, Experimental and Applied Mechanics 16th International Symposium on MEMS and Nanotechnology, 5th International Symposium on the Mechanics of Biological Systems and Materials, International Symposium on the Mechanics of Composite and Multi-functional Materials, Fracture, Fatigue, Failure and Damage Evolution; and Residual Stress, Thermomechanics & Infrared Imaging, Hybrid Techniques and Inverse Problems.
Author: William John Palm Publisher: ISBN: Category : Science Languages : en Pages : 728
Book Description
Model, analyze, and solve vibration problems, using modern computer tools. Featuring clear explanations, worked examples, applications, and modern computer tools, William Palm's Mechanical Vibration provides a firm foundation in vibratory systems. You'll learn how to apply knowledge of mathematics and science to model and analyze systems ranging from a single degree of freedom to complex systems with two and more degrees of freedom. Separate MATLAB sections at the end of most chapters show how to use the most recent features of this standard engineering tool, in the context of solving vibration problems. The text introduces Simulink where solutions may be difficult to program in MATLAB, such as modeling Coulomb friction effects and simulating systems that contain non-linearities. Ample problems throughout the text provide opportunities to practice identifying, formulating, and solving vibration problems. KEY FEATURES Strong pedagogical approach, including chapter objectives and summaries Extensive worked examples illustrating applications Numerous realistic homework problems Up-to-date MATLAB coverage The first vibration textbook to cover Simulink Self-contained introduction to MATLAB in Appendix A Special section dealing with active vibration control in sports equipment Special sections devoted to obtaining parameter values from experimental data
Author: Heiner Klinkrad Publisher: Springer Science & Business Media ISBN: 3540376747 Category : Technology & Engineering Languages : en Pages : 438
Book Description
The future evolution of the debris environment will be forecast on the basis of traffic models and possible hazard mitigation practices. The text shows how large trackable objects will have re-entry pinpointed and predictions made on related risk assessment for possible ground impact. Models will also be described for meteoroids which are also a prevailing risk.
Author: Julian Keable Publisher: ISBN: 9781853397271 Category : Architecture Languages : en Pages : 0
Book Description
Ramming earth has been a method of construction for centuries in many parts of the world and the technique can produce buildings that are strong, durable, safe and desirable. Because earth is an abundant and cheap resource, rammed earth buildings are often very economical. To achieve the best results the right techniques for the selection and testing of soils must be used to protect walls from water damage and shrinkage. This book aims to show how high standards can be achieved and the criteria on which rammed earth structures and building techniques can be judged. Since the fi rst edition of this book was published, the standards described in Rammed Earth Structures has been adopted as a Building Standard in Zimbabwe. Further progress is being made extending the use of rammed earth as an officially sanctioned building material across all SADC countries. This book is now therefore becoming an important guide and resource for those wishing to employ this economical and low-carbon building material in the construction of public as well as private buildings in Africa and elsewhere. This book aims to show how high standards can be achieved and the criteria on which rammed earth structures and building techniques can be judged. An important guide and resource for those wishing to employ this economical and low-carbon building material in the construction of public as well as private buildings in Africa and elsewhere.
Author: Marco Gigliotti Publisher: ISTE Group ISBN: 1784052833 Category : Composite materials Languages : fr Pages : 123
Book Description
L’utilisation des composites à matrice organique pour des applications structurales à haute température est de plus en plus souvent envisagée, notamment dans certaines zones de turbomachines aéronautiques. A cette fin, il devient nécessaire d’analyser les effets du vieillissement thermo-oxydant sur le comportement mécanique d’un polymère et des composites associés. Cet ouvrage met en relief des méthodologies expérimentales originales qui permettent, par analyse inverse, de développer et d’identifier une loi de comportement du polymère dépendant du vieillissement ainsi que les déformations d’origine chimique. Ces informations sont utilisées pour le calcul des contraintes internes induites par un vieillissement thermo-oxydant dans des composites unidirectionnels à fibres continues de carbone. Comportement mécanique des composites à matrice organique se différencie des autres ouvrages par son approche. Il examine des lois de comportement thermomécaniques locales dépendant de l’oxydation grâce à l’emploi d’essais couplés et non couplés à l’échelle microscopique. Il présente des modèles originaux afin d'intégrer toute la richesse de la phénoménologie observée expérimentalement, grâce à l'emploi de variables internes correctement choisies.
Author: Édouard Parant Publisher: LCPC ISBN: 9782720803789 Category : Languages : fr Pages : 245
Book Description
Ce travail porte sur l'étude du comportement mécanique et des mécanismes d'endommagement d'un composite cimentaire fibré multi-échelles soumis à des sollicitations sévères : fatigue, choc et fluage en ambiance agressive. L'analyse des mécanismes de fissuration des matrices cimentaires conduit à l'utilisation de trois dimensions de fibres métalliques afin d'intervenir à chaque étape du processus de fissuration. La matrice cimentaire est ultra-compacte et résistante (sbc > 200 MPa) et la fraction volumique du renfort atteint 11 %. Le renfort multi-échelles se caractérise par la mise en action graduelle et continue des différentes échelles de fibres jusqu'au pic d'effort. Une détermination de la résistance en traction uniaxiale (> 20 MPa) à partir d'essais de flexion 4 points sur dalles minces en utilisant une approche inverse est validée. Il est montré que le matériau étudié est élasto-plastique avec écrouissage positif en traction. Le renfort multi-échelles, et particulièrement les micro-fibres, amplifient les phénomènes visqueux dans la matrice cimentaire en y améliorant le transfert des efforts. Le gain absolu de résistance en traction, sous sollicitations dynamiques, est estimé par approche inverse à 1,5 Mpa/u.log. Le comportement en fatigue est limité par le faible élancement des méso-fibres. Une corrélation forte existe entre la durée de vie en fatigue et l'état d'endommagement initial (premier chargement statique). Une courbe de Wöhler corrigée est reconstruite connaissant le comportement statique caractéristique et l'état initial de déformation des corps d'épreuve. Sous sollicitation de service, la fissuration fine et diffuse, induite par l'efficacité du renfort multi-échelles, conduit à une cicatrisation presque totale en présence d'eau de corps d'épreuve pré-endommagés par fatigue et maintenus chargés en solution saline.
Author: Leslie Rainer
Author: Leslie Rainer
Author: James E. Mark
Author: Bo Song
Author: 
Author: William John Palm
Author: Heiner Klinkrad
Author: Thierry Joffroy
Author: Julian Keable
Author: Marco Gigliotti
Author: Édouard Parant