A novel geometrically exact model of the spatially curved Bernoulli–Euler beam is developed. The formulation utilizes Frenet–Serret frame as reference for updating orientation a cross section. weak form consistently derived and linearized, including contributions from kinematic constraints configuration-dependent load. nonlinear terms with respect to cross-sectional coordinates are strictly con...

The Benchmark of the Rance beams has been organised in order to evaluate the capabilities of various modelling tools, to predict the residual load carrying capacity of corroded beams. The Rance beams have been corroded in a marine environment for nearly 40 years. Different types of prestressed beams, made of different types of cement, have been subjected to four points bending monotonous and cy...

Cold-formed steel (CFS) is a typical green building material with the merits of being low-cost, lightweight, high-strength, and recyclable. CFS built-up section beams are widely used in frames owing to their outstanding mechanical properties. However, simplified accurate method for calculating flexural moment capacity multi-limb missing specifications. In this study, behaviors four-limb closed ...

It is observed that, reinforced concrete beams failed due to flexure but in case of deep beam failure occur due to shear. Deep beams may be defined as the beam where shear span to depth ratio less than 2. A number of researchers already proposed various approach to predict the ultimate strength of deep beams. In this study a newer approach is developed to calculate the ultimate shear strength o...

Abstract In this paper, we conduct research of the waveguide strength under icing. Icing is assumed to be uniform along perimeter and length waveguide, so ice deposits considered in form an equivalent increase density structure. As a result, icing problem reduced gravitational bending waveguide. Waveguide has thin-walled rectangular cross-section; therefore, solution demand using theory plate. ...