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The course was originally offered to second year undergraduate Materials Science students at the Swiss Institute of Technology during the author's sabbatical leave in French. The notes were developed with the following objectives in mind. First they must be complete and rigorous. At any time, a student should be able to trace back the development of an equation. Furthermore, by going through all the derivations, the student would understand the limitations and assumptions behind every model. Finally, the rigor adopted in the coverage of the subject should serve as an example to the students of the rigor expected from them in solving other scientific or engineering problems. This last aspect is often forgotten.
E-Book Content
Draft DRAFT Lecture Notes Introduction to MECHANICS of MATERIALS Fundamentals of Inelastic Analysis c VICTOR E. SAOUMA Dept. of Civil Environmental and Architectural Engineering University of Colorado, Boulder, CO 80309-0428 Draft ii Victor Saouma Mechanics of Materials II Draft iii PREFACE One of the most fundamental question that an Engineer has to ask him/herself is what is how does it deform, and when does it break. Ultimately, it its the answer to those two questions which would provide us with not only a proper safety assesment of a structure, but also how to properly design it. Ironically, botht he ACI and the AISC codes are based on limit state design, yet practically all design analyses are linear and elastic. On the other hand, the Engineer is often confronted with the task of determining the ultimate load carying capacity of a structure or to assess its progressive degradation (in the ontect of a forensic study, or the rehabilitation, or life extension of an existing structure). In those particular situations, the Engineer sh