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A study of the horizontal inertial forces acting on the suspended load of slewing cranes
Jerman, Boris (Author), Kramar, Janez (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1016/j.ijmecsci.2007.09.013 This link opens in a new window

Abstract
When designing a crane's load-carrying structures, a static analysis is still central to a preliminary determination of the dimensions required. However, tobring the results of these calculations closer to reality, different quasi-static procedures are introduced. These procedures take account of various dynamic effects by means of appropriate coefficients. In this paper, anew procedure is proposed for determining the maximum horizontal inertial forces in a radial direction that are acting on a load suspended from the jib during a crane's slewing motion. Based on a previously developed and verified mathematical model of a general-type slewing crane, we undertook the following. Firstly, we verified that the horizontal inertial forces in the radial direction are of no less importance (no smaller in terms of their magnitude) than the forces in the tangential direction, and that their maximumvalues can easily be a few times greater than the nominal centrifugal force. Based on this we introduced a new coefficient of radial horizontal inertial force, and we calculated a diagram for the rapid determination of this coefficient. We also present a brief report of the horizontal inertial forces in the tangential direction.

Language:English
Keywords:jeklene konstrukcije, vrtljiva dvigala, dinamične obremenitve, matematični modeli, steel structures, slewing cranes, horizontal inertial forces
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2008
Number of pages:str. 490-500
Numbering:Letn. 50, št. 3
UDC:621.8
ISSN on article:0020-7403
COBISS.SI-ID:10484507 Link is opened in a new window
Views:831
Downloads:222
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Record is a part of a journal

Title:International journal of mechanical sciences
Shortened title:Int. j. mech. sci.
Publisher:Pergamon Press
ISSN:0020-7403
COBISS.SI-ID:25648384 This link opens in a new window

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