Deflection (engineering)

About: Deflection (engineering) is a research topic. Over the lifetime, 30862 publications have been published within this topic receiving 298849 citations.

Structural Analysis: A Unified Classical and Matrix Approach

Abstract: Introduction to the analysis of statistically indeterminate structures force method of analysis displacement method of analysis use of force and displacement methods strain energy and virtual work method of virtual work and its application to trusses further applications of method of virtual work important energy theorems - Betti's and Maxwell's theorems, application of Betti's theorem to transformation of forces and displacements, Engesser's theorem of compatability, Castigliano's theorem of compatability, Catigliano's theorems displacement of elastic structures by special methods application of the force method - column analogy application of the displacement method - slope deflection and moment distribution moment distribution with sway - multistorey and multibay frames influence lines for beams, frames and grids - Muller-Breslau's principle influence lines for arches, trusses and prestressed concrete members effects of axial forces analysis of shear-wall structures method of finite differences analysis of plates by finite differences finite-element method further development of finite-element method plastic analysis of continuous beams and frames yield-line and strip methods for slabs structural dynamics computer analysis of framed structures implementation of computer analysis. Appendices: matrix algebra, displacements of prismatic members, fixed-end forces of prismatic members, end-forces caused by end-displacements of prismatic members, reactions and bending moments of supports of continuous beams due to unit displacement of supports, properties of geometrical figures, torsional constants, values of the integral, deflections of a simple beam of constant EI subjected to unit end-moments, geometrical properties of some plane areas commonly used in the method of column analogy, forces due to prestressing.

Deflection slide clip

Abstract: Deflection slide clip of two piece construction for use in curtain wall construction providing for horizontal support of a laterally loaded stud while it accommodates vertical slip of the primary frame.

Beams of Fibrous Concrete in Shear and Bending: Experiment and Model

Abstract: Beams of high-strength concrete (fcc up to 90 MPa) were tested in shear and bending. Various types of fiber (metallic and nonmetallic) were added to the concrete matrix to up to 1% per volume concrete. Also, four different beam depths were investigated. The efficiency of fibers depends on the governing load-carrying mechanisms, which may vary for different beam dimensions. The chosen steel fibers did not improve the capacity of the 250 mm deep beams as they did for some of the 300 mm beams. They enhanced the toughness in the 500 mm beams, but were not enough for the 700 mm beams. Also, a fiber cocktail may prove more effective than using a single type of fiber. The chosen steel fibers are competitive with conventional stirrups, according to this study. A nonlinear truss model is devised to predict the load-carrying capacity of the beams. The model gave good predictions for beams without stirrups and depths up to 500 mm.