Study on the axial compressive ultimate load-carrying capacity of high strength steel tubes with lattice boom-Reference-Cited by-同舟云学术

Study on the axial compressive ultimate load-carrying capacity of high strength steel tubes with lattice boom

Published:2022-04-21 Issue: Volume:41 Page:148-153
ISSN:2345-0533
Container-title:Vibroengineering PROCEDIA
language:en
Short-container-title:Vib. proced.

Author:

Zhou Yu-Long,Han Lei,Jia Xiao-Jie,Zhao Er-Fei

Abstract

Lattice boom used on the crawler crane are welded by slender high strength steel tubes. Many studies show that the actual bearing capacity of high-strength steel tubes is higher than the stability bearing capacity calculated according to the specification. To obtain the actual bearing capacity of high-strength steel tubes and apply it to engineering practice, a series of axial loading tests are carried out on two kinds of high-strength steel tubes of 20Mn2 and S890 to obtain their damage load. By handling test data, and the coefficient fitting and correction are carried out according to the stability coefficient calculation formula of the Chinese steel structure specification. The results show that it is conservative to calculate the bearing capacity of high strength steel tubes by using the stability curve in the specification, and the bearing capacity of high strength steel tubes calculated by fitted coefficient is more consistent with its actual bearing capacity.

Publisher

JVE International Ltd.

Subject

General Medicine

Link

https://www.jvejournals.com/article/22484/pdf

Reference19 articles.

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