Structural Analysis Fourth Edition

Structural Analysis Fourth Edition, SI

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Structural analysis is the prediction of the performance of a given structure under prescribed loads and/or other external e¤ects, such as support movements and temperature changes. The performance characteristics commonly of interest in the design of structures are (1) stresses or stress resultants, such as axial forces, shear forces, and bending moments; (2) deflections; and (3) support reactions. Thus, the analysis of a structure usually involves the determination of these quantities as caused by a given loading condition. The objective of this text is to present the methods for the analysis of structures in static equilibrium. This chapter provides a general introduction to the subject of structural analysis. We first give a brief historical background, including the names of people whose work is important in the field. Then we discuss the role of structural analysis in structural engineering projects. We describe the five common types of structures: tension and compression structures, trusses, and shear and bending structures. Finally, we consider the development of the simplified models of real structures for the purpose of analysis.

Since the dawn of history, structural engineering has been an essential part of human endeavor. However, it was not until about the middle of the seventeenth century that engineers began applying the knowledge of mechanics (mathematics and science) in designing structures. Earlier engineering structures were designed by trial and error and by using rules of thumb based on past experience. The fact that some of the magnificent structures from earlier eras, such as Egyptian pyramids (about 3000 b.c.), Greek temples (500–200 b.c.), Roman coliseums and aqueducts (200 b.c.–a.d. 200), and Gothic cathedrals (a.d. 1000–1500), still stand today is a testimonial to the ingenuity of their builders

Content :
  • Introduction to Structural Analysis
  • Loads on Structures
  • Equilibrium and Support Reactions
  • Plane and Space Trusses
  • Beams and Frames: Shear and Bending Moment
  • Deflections of Beams: Geometric Methods
  • Deflections of Trusses, Beams, and Frames: Work–Energy Methods
  • Influence Lines
  • Slope-Deflection Method
  • Moment-Distribution Method
  • Introduction to Matrix Structural Analysis

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