Topic
Deflection (engineering)
About: Deflection (engineering) is a research topic. Over the lifetime, 30862 publications have been published within this topic receiving 298849 citations.
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TL;DR: In this article, an analytical solution for the longitudinal bending stiffness of a segmental liner, typically used on tunnels built with a shield, is derived and verified by providing comparisons between its results and those from the Finite Element program ABAQUS.
101 citations
TL;DR: In this paper, the deformation of a cantilever beam under point load at the free tip is investigated by an analytic method, namely the homotopy analysis method (HAM).
101 citations
TL;DR: In this article, a moment curvature relationship is used to describe the girder behavior and a load model is developed for a single unit truck, a semitrailer, and combinations of these trucks.
Abstract: Reliability procedures are developed for girder bridges. Load models are based on the available statistical data. The derivation of load models is described in other papers. Resistance models are developed by simulations using the available test results for materials and components. The girder behavior is described by a moment curvature relationships. Bridge capacity is determined in terms of the maximum truck load before failure. The analysis is performed for a single unit truck, a semitrailer, and combinations of these trucks. For a given truck position, the load is gradually increased until the deformation (maximum deflection) exceeds the critical level. The developed resistance models are used in the reliability analysis. Reliability indices are calculated for noncomposite and composite steel girders, reinforced concrete T-beams, and prestressed concrete girders. The calculations are performed for girders and structural systems. Reliability indices for the system are higher than for girders. The effect of correlation between girder strengths is analyzed. Girder bridges behave as parallel systems. Sensitivity functions are developed for various parameters related to the considered girders. The developed approach is demonstrated on typical girder bridges.
101 citations
TL;DR: In this paper, an experimental investigation into square metallic sandwich panels with either honeycomb core or aluminium foam core under blast loading is presented, followed by an analytical analysis of their structural response.
100 citations
TL;DR: In this paper, a numerical method for estimating the curvature, deflection and moment capacity of FRP reinforced concrete beams is developed, where a beam section divided into a number of segments is numerically solved due to the non-linear behaviour of concrete.
100 citations