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Autor(en) Titel Zeitschrift Ausgabe Seite Rubrik
Brux, Gunther Brandschutzbeschichtungen auf Stahl - Haltbarkeit und Weiterentwicklungen Stahlbau 2/2013 142-144 Berichte

Kurzfassung

Anfang der 1960er Jahre wurden erstmals Brandschutzbeschichtungen auf Stahl zusammen mit Korrosionsschutzgrundierung und Decklack ausgeführt. Im Gegensatz zu den damals üblichen Spritzputzen und Brandschutzplatten, die einige Zentimeter dick und rau waren, blieb so die eigentliche Form der Stahlprofile weiter sichtbar. Mit den neuen Beschichtungen konnte man ohne Beeinträchtigung der Architektur des Bauwerkes Stahl feuerhemmend (F30) schützen. Nach neuesten Entwicklungen kann man heute Stahlkonstruktionen mit einer Farbe schützen, die neben einer hohen optischen Qualität einen Feuerwiderstand bis 90 Minuten erreicht.

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Schmidt, Hartwig "Der Architekt. Geschichte und Gegenwart eines Berufsstandes" - Ausstellung des Architekturmuseums der TU München in der Pinakothek der Moderne Stahlbau 2/2013 145-147 Berichte

Kurzfassung

Keine Kurzfassung verfügbar.

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Wetzk, Volker Werner Lorenz 60 Jahre Stahlbau 2/2013 148-150 Persönliches

Kurzfassung

Keine Kurzfassung verfügbar.

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Kühn , Bertram Pontifex Maximus. Der Architekt Paul Bonatz und die Brücken. Von R. May Stahlbau 2/2013 150 Rezensionen

Kurzfassung

Keine Kurzfassung verfügbar.

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Schmitz , Christoph Brücken und Tunnel der Bundesfernstraßen 2012 - Dokumentation. Vom Bundesministerium für Verkehr, Bau und Stadtentwicklung Stahlbau 2/2013 150-151 Rezensionen

Kurzfassung

Keine Kurzfassung verfügbar.

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Kurrer, Karl-Eugen Die König-Ludwig- Brücke Kempten. Von St. M. Holzer Stahlbau 2/2013 151-152 Rezensionen

Kurzfassung

Keine Kurzfassung verfügbar.

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Aktuell: Stahlbau 2/2013 Stahlbau 2/2013 152-153 Aktuell

Kurzfassung

Fazit zum 21. Bayerischer Ingenieuretag
Stahlindustrie kommt Schlüsselrolle bei Energiewende zu

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Moormann, Christian 8. Hans Lorenz Symposium widmet sich der Gründung von Offshore-Bauwerken Stahlbau 2/2013 153-154 Tagungsberichte

Kurzfassung

Keine Kurzfassung verfügbar.

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Termine: Stahlbau 2/2013 Stahlbau 2/2013 154-156 Termine

Kurzfassung

Keine Kurzfassung verfügbar.

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Content: Steel Construction 2/2013 Steel Construction 2/2013 Content

Kurzfassung

Keine Kurzfassung verfügbar.

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Brune, Bettina Cold-formed steel structures Steel Construction 2/2013 73 Editorial

Kurzfassung

Keine Kurzfassung verfügbar.

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Dubina, Dan; Ungureanu, Viorel; Gîlia, Lucian Cold-formed steel beams with corrugated web and discrete web-to-flange fasteners Steel Construction 2/2013 74-81 Articles

Kurzfassung

Steel beams with corrugated webs represent a relatively new structural system that has emerged in the past two decades. The thin corrugated web results in a significant weight reduction in these beams compared with hot-rolled or welded ones. In the initial solutions the flanges were made of flat plates welded to the sinusoidal web sheet, which required a specific welding technology. A new solution is proposed in this paper in which the beam is composed of a web of trapezoidal cold-formed steel sheet and flanges of built-up cold-formed steel members (e.g. back-to-back lipped channels or angles or hat omega). Self-drilling screws or spot welding are used for the connections between flanges and web. This paper summarizes the experimental and numerical investigations carried out at the CEMSIG Research Centre (http://cemsig.ct.upt.ro), “Politehnica” University of Timisoara, in order to evaluate and validate a new technological solution.

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Brune, Bettina; Peköz, Teoman Design of cold-formed steel members - comparison of EN 1993-1-3 and Direct Strength Method Steel Construction 2/2013 82-94 Articles

Kurzfassung

This paper compares the design concepts for cold-formed steel members according to the European standard EN 1993-1-3 [22] and the Direct Strength Method (DSM) according to Appendix 1 of the AISI specification [3]. References to where the two approaches are described are followed by comparative analyses focusing on the fundamental design concepts, the design procedure, strength curves, opportunities and limits to their application. The paper points out similarities and differences, difficulties and opportunities. Channel section design examples are used to compare the different approaches. Current and ongoing research to extend the standards is summarized to show the future possibilities.

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Tilburgs, Kees Those peculiar structures in cold-formed steel: ?racking & shelving? Steel Construction 2/2013 95-106 Articles

Kurzfassung

One of the applications of cold-formed steel in which a considerable tonnage is involved is corrugated steel sheets for wall and roof cladding. Another is racking and shelving (R
Considering the non-traditional R
For the cold-formed members and components typically used in R
This paper gives an impression of R

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Kathage, Karsten; Lindner, Joachim; Misiek, Thomas; Schilling, Sivo A proposal to adjust the design approach for the diaphragm action of shear panels according to Schardt and Strehl in line with European regulations Steel Construction 2/2013 107-116 Articles

Kurzfassung

In Germany the stiffness and resistance of diaphragms used for stabilizing members are traditionally calculated according to the Schardt and Strehl approach. Compared with the approach of Bryan and Davies given in the ECCS Recommendations, it does not take into account the flexibility of the connections. This paper shows how to amend Schardt and Strehl’s approach to include this flexibility, leading to more realistic values of diaphragm stiffness. The article also introduces new procedures for the calculation of the resistance, adopted from European standards and recommendations. Finally, both a test and an example taken from the literature are recalculated for comparison.

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European steel market 2012 Steel Construction 2/2013 116 News

Kurzfassung

Keine Kurzfassung verfügbar.

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Camotim, Dinar; Basaglia, Cilmar Buckling analysis of thin-walled steel structures using generalized beam theory (GBT): state-of-the-art report Steel Construction 2/2013 117-131 Articles

Kurzfassung

This paper addresses the use of generalized beam theory (GBT) to analyse the local and global buckling behaviour of thin-walled steel members and structural systems. After a brief historical perspective of GBT developments, the main concepts and procedures involved in performing buckling analyses are summarized in a systematic fashion. That is followed by a state-of-the-art report concerning the most recent GBT formulations and applications that have been developed to assess the buckling behaviour of members, frames and trusses with various loading and support conditions. In order to illustrate the unique modal features and show the potential of the GBT approach to buckling analysis, numerical results and a few practical applications are presented and discussed; for validation purposes, most of these results are compared with values yielded by shell finite element analyses, performed in the ABAQUS and ANSYS programs. The paper closes with a few words on the future perspectives of GBT-based buckling analysis.

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Third International Conference "High Strength Steels for Hydropower Plants - Design Concepts - Pressure Conduits" Steel Construction 2/2013 131 Announcement

Kurzfassung

Keine Kurzfassung verfügbar.

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Roure, Francesc; Somalo, Maria Rosa; Casafont, Miquel; Pastor, Maria Magdalena; Bonada, Jordi; Peköz, Teoman Determination of beam-to-column connection characteristics in pallet rack structures: a comparison of the EN and ANSI methods and an analysis of the influence of the moment-to-shear ratios Steel Construction 2/2013 132-138 Articles

Kurzfassung

Keine Kurzfassung verfügbar.

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Nagy, Zsolt; Gîlia, Lucian; Ballok, Robert Romanian application of cold-formed steel beams with screwed corrugated webs Steel Construction 2/2013 139-143 Articles

Kurzfassung

Cold-formed steel members are used in a wide variety of applications, both residential and industrial, due to their high strength-to-weight ratio. This paper introduces an innovative steel structural solution used in a portal frame configuration. The frame is made from cold-formed steel beams with screwed corrugated web and SHS columns. Very good structural performance was achieved, proved by way of tests on such beams carried out previously at the Technical University of Cluj-Napoca
A finite element analysis was carried out in Abaqus using available, accurate, test-based calibrated FE models [1]. The same settings, mesh size, contacts, connectors and material definitions were used. Material stress-strain curves obtained from coupon tests and a theoretical curve were determined; both types were used in the FE analysis for the definition of the material. A monotonic test will be performed on the proposed structural configuration. The paper concludes with advice on how to set up theoretical stress-strain curves for design assisted by FEA of such kinds of girder. A case study presents one particular proposed structure, analysed by the authors and built for a warehouse application.

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Lessons to be learned: EUROFER on 2030 climate and energy policies framework Steel Construction 2/2013 143 News

Kurzfassung

Keine Kurzfassung verfügbar.

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Leach, Philip; Weekes, Laurence Axial capacity of perforated steel columns Steel Construction 2/2013 144-149 Articles

Kurzfassung

A research group has recently been formed at the University of Salford with the general aim of investigating lightweight structures. The first task of the group is to look at the behaviour of perforated steel columns used for storage racking.
The steel columns used in storage racking are made from perforated light gauge steel, with the perforations facilitating the connection of the storage racking beams. Recent work by Casafont et al. [1] has investigated the axial capacity of such members by a combination of testing and calculation, whereas another approach has been reported by Dinis et al. [2].
This paper describes the initial work of the group, investigating the possibility of assessing such capacity by using Eurocode 3 [3] equations to calculate the failure load of the column, using a critical buckling load that allows for the perforations in the column [4]. Critical buckling loads are calculated using both generalized beam theory and finite element analysis.
The use of generalized beam theory is illustrated for problems of varying complexity, from a very simple uncoupled solution with one equation up to the final coupled finite difference eigenvalue solution.
The paper concludes that it is currently possible to predict the capacity within a 15 % margin, and that further work could indeed improve this.

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ISISE report 2010-2012 is now available Steel Construction 2/2013 149 News

Kurzfassung

Keine Kurzfassung verfügbar.

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Puthli, Ram; Packer, Jeffrey A. Structural design using cold-formed hollow sections Steel Construction 2/2013 150-157 Articles

Kurzfassung

This paper reviews the differences between the alternative types of structural hollow section products (cold-formed versus hot-finished) as they affect structural design in Europe, using the relevant product and design standards, with an emphasis on Rectangular Hollow Sections (RHS). Manufacturers of cold-formed structural hollow sections (CFSHS) are more numerous, so that their products are more widely available. Hot-finished structural hollow section (HFSHS) products are typically between 24 % and 54 % more expensive in Germany than their cold-formed counterparts, the lower differences being for large tonnages - a strong inducement in favour of CFSHS. The price difference may also vary within the European Union. The geometric and product properties which are distinctly unique to CFSHS are presented and shown to offer no restrictions in their use when in compliance with the appropriate clauses in the European standards. These are the influence of corner radii, welding in the corner area, material choice to avoid brittle fracture and suitability for welding CFSHS. A comparison of the structural performance of CFSHS and HFSHS shows equally efficient structural designs for both products. The points covered are the design of compression members - unfilled and concrete-filled, joint resistance - which typically governs selection of member sizes, as well as fatigue design, fire design and the resistance of braced steel frames to severe seismic loading. CFSHS are shown to be adequate under all these situations.

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January 2013 crude steel production Steel Construction 2/2013 157 News

Kurzfassung

Keine Kurzfassung verfügbar.

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