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Abstract:	Eine wirtschaftliche Standardanwendung von Walzprofilen sind Kranbahnträger für Laufkrane. In der bisherigen Bemessungspraxis wurden und werden überwiegend HE-Profile in der Stahlgüte S235 eingesetzt, welche eine zweckmäßige Lösung für Kranbahnträger kurzer bis mittlerer Spannweiten bei kleinen bis mittleren Radlasten darstellen. Sowohl für größere Spannweiten als auch für größere Radlasten und die Kombination aus beiden kommen HE-Profile an ihre Grenzen. Im folgenden Beitrag wird der Einsatz von HD- und HL-Walzprofilen aus S355 für Kranbahnträger untersucht und die Vorteile dieser weniger bekannten Profilreihen dargestellt. On the economic design of optimized rolled section runway beams for top mounted overhead cranes. Crane runway beams are an economic standard application of hot rolled sections. In today’s design practice HE sections in grade S235 are commonly used, which represents a suitable solution for crane runway beams of short to intermediate spans and small to medium wheel loads. For bigger spans as well as for higher wheel loads and the combination of both HE sections arrive to their limits. In the following article the application of HD and HL rolled-sections in grade S355 for crane runway beams are examined and the advantages of this less known section ranges are presented. Marc May Matthias Ruppert Christoph Seeßelberg
Source:	Stahlbau 83 (2014), No. 3
Page/s:	165-173
Language of Publication:	German

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