2017
DOI: 10.1680/jstbu.16.00112
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The effect of steel grade on weight and cost of Warren-type welded tubular trusses

Abstract: The effect of steel grade on the weight and cost of Warren-type welded tubular roof trusses was investigated. For an unbiased comparison, best truss designs were obtained through optimisation. The steel strength investigated ranged from S355 to S960. Costs were calculated based on the features of the trusses. The starting point was the exact geometry of the truss, from which a finite-element model was derived. This approach allowed the resistance and other requirements of design standards of both members and j… Show more

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Cited by 9 publications
(8 citation statements)
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“…The importance of solving this task consist in defining the right geometric parameters, which help to reduce material consumption while ensuring rigidity and reliability of structures with the same bearing capacity comparable options [9]. In most cases, to obtain optimal geometric parameters of structures, it is necessary to use high-strength materials [10].…”
Section: Resultsmentioning
confidence: 99%
“…The importance of solving this task consist in defining the right geometric parameters, which help to reduce material consumption while ensuring rigidity and reliability of structures with the same bearing capacity comparable options [9]. In most cases, to obtain optimal geometric parameters of structures, it is necessary to use high-strength materials [10].…”
Section: Resultsmentioning
confidence: 99%
“…Myös kritiikkiä menetelmien hyvyydestä ja sen arvioinnista on esitetty [7]. Käytännön tehtävässä -vaikkapa suhteellisen rajatun tehtävän kuten ristikon -optimoinnissa vaadittava laskenta-aika monine ajoineen kasvaa helposti tunteihin [8]. Tämä on käytännön suunnittelutyössä liian pitkäksi koettu aika eikä pitkienkään ajojen jälkeen saadun tuloksen optimaalisuudesta ole takeita.…”
Section: Teemu Tiainen 1 Ja Kristo Melaunclassified
“…Tehtävänä on käyttäen SSAB:n profiilivalikoimaa (55 profiilivaihtoehtoa) etsiä kevein mahdollinen ristikko siten, että mainittujen standardien mitoitusehdot täyttyvät. Tarkemmin rajoitusehdot käydään läpi lähteessä [8]. Myös liitosten lokaali käsittely seuraa kyseistä lähdettä.…”
Section: Numeerinen Esimerkkiunclassified
“…The seventh paper (Tiainen et al, 2017) presents the assessment on the effect of steel grade on weight and cost of Warren-type welded tubular trusses made up of cold-formed square hollow sections. The hollow sections are with nominal yield strength of 355 MPa, 500 MPa, 700 MPa and 960 MPa.…”
Section: Structures and Buildingsmentioning
confidence: 99%