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

URLURL - Predstavitvena datoteka, za dostop obiščite http://dx.doi.org/10.1016/j.ijmecsci.2007.09.013 Novo okno

Izvleček
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.

Jezik:Angleški jezik
Ključne besede:jeklene konstrukcije, vrtljiva dvigala, dinamične obremenitve, matematični modeli, steel structures, slewing cranes, horizontal inertial forces
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2008
Št. strani:str. 490-500
Številčenje:Letn. 50, št. 3
UDK:621.8
ISSN pri članku:0020-7403
COBISS.SI-ID:10484507 Povezava se odpre v novem oknu
Število ogledov:517
Število prenosov:132
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
Skupna ocena:(0 glasov)
Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.
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Gradivo je del revije

Naslov:International journal of mechanical sciences
Skrajšan naslov:Int. j. mech. sci.
Založnik:Pergamon Press
ISSN:0020-7403
COBISS.SI-ID:25648384 Novo okno

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