Application of HFMI-treatment for crane runway girders

被引：2

作者：

Duerr, Andre ^{[1
]}

Winkler, Matthias ^{[1
]}

机构：

[1] Hsch Munchen Univ Appl Sci, Labor Stahl & Leichtmetallbau, Inst Mat & Bauforsch, Karlstr 6, D-80333 Munich, Germany

来源：

STAHLBAU | 2021年 / 90卷 / S1期

关键词：

crane runway; service life extension; high frequency mechanical impact treatment (HFMI); rail clamps;

D O I：

10.1002/stab.202100075

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

High frequency mechanical impact (HFM1)treatment is a post-weld treatment method to increase the fatigue strength of welded notch details. Since 2019 there is published the german DASt-guideline 026 for new constructions, taking the effects of this post-weld treatment method into account in the design of steel structures Within several research projects it could be shown that this post-weld treatment method can also be applied on existing structures if certain restrictions are considered. This article summarizes the state of the art of the HFMIt-reatment method. In addition, explanations are given on the extent to which the HFMI-method can be taken into account in the fatigue design to crane runways in new constructions and on the advantages of the application in existing structures.

引用

页码：21 / 35

页数：15

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