General Crack
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| Author | : Marjorie Bowen |
| Publisher | : DigiCat |
| Total Pages | : 466 |
| Release | : 2022-11-22 |
| Genre | : Fiction |
| ISBN | : |
General Crack is a 1928 historical novel by the British writer Marjorie Bowen, written under her pen name of George Preedy. The author tours a palace named the Chateau when a strange and otherworldly portrait of the poet and soldier General Ketlar catches her eye. Excerpt: "OF recent years, after a long period of neglect, the historical novel seems to have come into its own once more. Quite recently we have had such wonderful examples of historical romance as Feuchtwanger's "Jew Suss" and "The Ugly Duchess;" while now Mr. George Preedy has entered the lists with an exceptionally well-written and finely conceived story of eighteenth-century Europe..."
| Author | : Marjorie Bowen |
| Publisher | : |
| Total Pages | : 542 |
| Release | : 1928 |
| Genre | : |
| ISBN | : |
| Author | : Barbara C. Wallace |
| Publisher | : Routledge |
| Total Pages | : 317 |
| Release | : 2014-01-09 |
| Genre | : Psychology |
| ISBN | : 131777230X |
Using first-hand experience, the author presents a practical treatment approach, originally designed for crack patients, but generally applicable to chemical dependency problems. It also explains the social, biological and psychological factors in crack addiction and various barriers to treatment.
| Author | : Zihai Shi |
| Publisher | : Butterworth-Heinemann |
| Total Pages | : 342 |
| Release | : 2009-06-17 |
| Genre | : Technology & Engineering |
| ISBN | : 0080942229 |
This new book on the fracture mechanics of concrete focuses on the latest developments in computational theories, and how to apply those theories to solve real engineering problems. Zihai Shi uses his extensive research experience to present detailed examination of multiple-crack analysis and mixed-mode fracture.Compared with other mature engineering disciplines, fracture mechanics of concrete is still a developing field with extensive new research and development. In recent years many different models and applications have been proposed for crack analysis; the author assesses these in turn, identifying their limitations and offering a detailed treatment of those which have been proved to be robust by comprehensive use. After introducing stress singularity in numerical modelling and some basic modelling techniques, the Extended Fictitious Crack Model (EFCM) for multiple-crack analysis is explained with numerical application examples. This theoretical model is then applied to study two important issues in fracture mechanics - crack interaction and localization, and fracture modes and maximum loads. The EFCM is then reformulated to include the shear transfer mechanism on crack surfaces and the method is used to study experimental problems. With a carefully balanced mixture of theory, experiment and application, Crack Analysis in Structural Concrete is an important contribution to this fast-developing field of structural analysis in concrete. - Latest theoretical models analysed and tested - Detailed assessment of multiple crack analysis and multi-mode fractures - Applications designed for solving real-life engineering problems
| Author | : National Symposium on Fracture Mechanics (8th : 1974 : Brown University) |
| Publisher | : ASTM International |
| Total Pages | : 507 |
| Release | : 1976 |
| Genre | : |
| ISBN | : |
| Author | : George C. Sih |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 562 |
| Release | : 2013-11-11 |
| Genre | : Science |
| ISBN | : 9401722609 |
It is weH known that the traditional failure criteria cannot adequately explain failures which occur at a nominal stress level considerably lower than the ultimate strength of the material. The current procedure for predicting the safe loads or safe useful life of a structural member has been evolved around the discipline oflinear fracture mechanics. This approach introduces the concept of a crack extension force which can be used to rank materials in some order of fracture resistance. The idea is to determine the largest crack that a material will tolerate without failure. Laboratory methods for characterizing the fracture toughness of many engineering materials are now available. While these test data are useful for providing some rough guidance in the choice of materials, it is not clear how they could be used in the design of a structure. The understanding of the relationship between laboratory tests and fracture design of structures is, to say the least, deficient. Fracture mechanics is presently at astandstill until the basic problems of scaling from laboratory models to fuH size structures and mixed mode crack propagation are resolved. The answers to these questions require some basic understanding ofthe theory and will not be found by testing more specimens. The current theory of fracture is inadequate for many reasons. First of aH it can only treat idealized problems where the applied load must be directed normal to the crack plane.
| Author | : James M. Larsen |
| Publisher | : |
| Total Pages | : 286 |
| Release | : 1990 |
| Genre | : Aluminum alloys |
| ISBN | : |
An investigation was performed to study the effects of slip character and crack closure on the propagation of small fatigue cracks in titanium- aluminum alloys. The materials examined were solution-treated Ti-4Al and Ti-8Al, as well as aged Ti-8Al. The propagation of naturally initiated surface cracks of depths as small as 25 micrometers was compared with the behavior of large through-thickness cracks. An extensometer was used to monitor crack closure throughout the large crack tests, and the closure behavior of the small cracks was measured using a computerized laser interferometric displacement gage having a displacement resolution of 0.01 micrometer. The measurements of crack closure were used to compute an effective stress intensity factor range. In all three alloys and for all test conditions, which included a range of stress levels and stress ratios, small cracks propagated faster than large cracks subjected to an equivalent Delta K, and the small cracks propagated under conditions that were significantly below the large-crack threshold, Delta K(th). Although the character and distribution of slip in Ti-Al alloys may have a dramatic influence on fatigue crack initiation and on the propagation of large cracks, this effect was minimal for small cracks.
| Author | : Gyoujin Cho |
| Publisher | : Elsevier |
| Total Pages | : 309 |
| Release | : 1992-01-01 |
| Genre | : Technology & Engineering |
| ISBN | : 0857093223 |
Within the last decade there has been an increasing awareness that use of standards deeply notched fracture mechanics test specimens can result in substantial over-or-under-assessments of the real fracture toughness associated with shallow surface cracks.
| Author | : Ulrich Krupp |
| Publisher | : John Wiley & Sons |
| Total Pages | : 311 |
| Release | : 2007-06-27 |
| Genre | : Technology & Engineering |
| ISBN | : 3527610677 |
This comprehensive overview of the whole field of fatigue and fracture of metallic materials covers both the theoretical background and some of the latest experimental techniques. It provides a summary of the complex interactions between material microstructure and cracks, classifying them with respect to the overall damage process with a focus on microstructurally short cracks and dynamic embrittlement. It furthermore introduces new concepts for the numerical treatment of fatigue microcrack propagation and their implementation in fatigue-life prediction models.This comprehensive overview of the whole field of fatigue and fracture of metallic materials covers both the theoretical background and the latest experimental techniques. It provides a summary of the complex interactions between material microstructure and cracks, classifying them with respect to the overall damage process. It furthermore introduces new concepts for the numerical treatment of fatigue microcrack propagation and their implementation in fatigue-life prediction models.
| Author | : |
| Publisher | : |
| Total Pages | : 814 |
| Release | : 1916 |
| Genre | : |
| ISBN | : |
