A fatigue life assessment method of steel structures was proposed in this study and applied in a metallurgy crane. Analytical method and experimental analysis
by B Xu · 2015 · Cited by 1 — A fatigue life assessment method of steel structures was proposed in this study and applied in a metallurgy crane. Analytical method and experimental analysis
According to the results of stress testing and non-destructive examination, a framework of assessing remaining fatigue life of crane metal structures is built in this
by X Liang · 2017 — structures of gantry crane. Non-destructive testing, finite element analysis and experimental stress analysis were integrated into fatigue life assessment of steel
The fatigue life of a structure is defined as the number of cycles required to initiate and propagate a fatigue crack to a critical size, which could result in the fractural failure of the structure. However, no information is available about fatigue-related research performed on riveted crane runway girders.
by P Frankovský · 2020 · Cited by 6 — 200/50/12.5 t and a span of 18.6 m, working in a heavy metallurgical operation. methods are also applicable for the fatigue analysis of load-bearing elements Keywords: lifetime of structure; crane; experimental analysis. 1. Introduction. A serious and complex technical problem in steel structures is the
A fatigue life assessment method of steel structures was proposed in this study and applied in a metallurgy crane. Analytical method and experimental analysis
Standard Practice for Steel Buildings and Bridges (AISC,. 2000), and the material or weld metal. The imperfections act tration factors to stresses determined by usual analysis is crane runway girder to be designed for a service life that is.
by JW Fisher · 1998 — 3 Fatigue Strength Analysis. 3.1 Introduction are susceptible to fatigue cracking include structures such as bridges, crane support structures evaluation. All elements of a fabricated steel structure contain metallurgical or fabrication-related.
Assessment of Existing Steel Structures; Remaining Fatigue Life. First edition 2008 steel structures, mainly those dominantly exposed by fatigue loading such as bridges or crane supporting metallurgical meaning (see definition of steel).
Sep 2, 2016 — When the crane is operated outside its design limits, a crack growth model is used to calculate the remaining fatigue life. The steel structure of a
by Q Dong · 2020 — Under the cyclic action of impact load, fatigue damage gradually forms in high stress areas of the crane structure, causing metallurgical welding defects. Cracks
steel plants, parking garages, offshore platforms and lattice boom fatigue life assessment of a crane has estimation of the entire metal structure and the life.
by B Depale — residual life. cranes. steel structures. Design life. evaluation. fatigue life. × [1] JRC43401, Assessment of existing steel structures: recommendations for estimation Development of a method for assessment of the remaining fatigue life of steel and Transportation Engineering (English Edition), Metallurgical Research &
Mar 3, 2014 — Fatigue life is a key concern in welded-steel frames for mobile When considering fatigue analysis of steels, it is important to note a critical distinction A bridge-crane beam is another example of a member subjected to variable A) to abrupt geometric and metallurgical gradients that create severe stress
by I Delyová · 2012 · Cited by 3 — Faculty of Metallurgy and Faculty of Mechanical Engineering, Technical due to device adjustment (for instance in order to increase lifting capacity of cranes) or when Fatigue life is determined by means of ESA (Experimental Stress Analysis) and the capacity of supporting steel structures after long-term operation is the.
no fatigue evaluation required. ❑ If the stress range is in >Design life of 25 years, crane is heavily loaded 1x per day x 5 days a week. = 6,500 cycles (fatigue Section 6 – Base metal at welded transverse member connections. ▫. Section 7
by FM Russo · 2016 · Cited by 4 — sources of discontinuities in steel structures, the nature of stresses affecting fatigue and fracture, and AASHTO Manual for Bridge Evaluation, and remaining fatigue life for “negative structures, crane-support structures, stacks and masts, and offshore structures. bar size, steel grade, or metallurgy (Amorn et al., 2007).
according to standards with a limited fatigue analysis, which resulted in weak welded metallurgical changes in the base material will decrease the life of crane