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Information Journal Paper

Title

RATCHETING CAUSED BY MOVING LOADS

Pages

  139-152

Abstract

 Progressive deformation (ratcheting) can occur as a response to variable loads as soon as the elastic limit is exceeded. If this is the case, strains and displacements accumulate in the event of cyclic loading in each load cycle.Widely known as triggers for ratcheting and already being considered in some design codes are configurations, in which a structure is subjected to at least two different types of load, namely a constant load (the primary load) and a superimposed cyclic load. In this paper, another mechanism that generates ratcheting is introduced. It can be attributed solely to the effect of a single load. In the simplest case, this can be explained by the successive activation of (an infinite number of) plastic hinges if a load of constant magnitude is moved in space. The increments of strains and displacements can decrease or increase from cycle to cycle, when the material is hardening, or if elastic foundation is present, or if the equilibrium condition is formulated for the deformed system (second-order theory) or if ‘‘large’’ rotations are taken into account (third-order theory).

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    Cite

    APA: Copy

    HUBEL, HARTWIG, & VOLLRATH, BASTIAN. (2017). RATCHETING CAUSED BY MOVING LOADS. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, 9(2), 139-152. SID. https://sid.ir/paper/319867/en

    Vancouver: Copy

    HUBEL HARTWIG, VOLLRATH BASTIAN. RATCHETING CAUSED BY MOVING LOADS. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING[Internet]. 2017;9(2):139-152. Available from: https://sid.ir/paper/319867/en

    IEEE: Copy

    HARTWIG HUBEL, and BASTIAN VOLLRATH, “RATCHETING CAUSED BY MOVING LOADS,” INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, vol. 9, no. 2, pp. 139–152, 2017, [Online]. Available: https://sid.ir/paper/319867/en

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