Steel Frames
Behaviour of steel frames under fire conditions
... Key words: steel, frames, fire resistance, buckling, loads, overall structural behaviour. Résumé : Cette article présente la pointe de la technologie en matière de comportement de structures à charpentes en ...
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Seismic Performance of Concentrically Braced Steel Frames of the Conventional Construction Category
... in steel structures in ...braced steel frames for all multi-storey buildings, when the use of CC Type systems in certain locations is prohibited because of the prescribed height ...hangars, ...
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Automatic plastic-hinge analysis and design of 3D steel frames
... 3-D steel frames may be reduced by a special change of the variables and by a natural choice of the initial basic matrix used in the simplex ...3-D steel frames under fix or repeated loading, ...
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Stability of non-sway steel frames with semi-rigid connections
... Abstract Conventional analysis of steel frames assumes either perfectly rigid or pinned connections. The rigidity of most connections behaves, in fact, somewhat between these two extremes. Therefore ...
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Seismic Evaluation and Retrofit of Existing Concentrically Braced Steel Frames in Canada
... braced frames As the special seismic design provisions for steel structures were introduced in the 1989 edition of CSA S16, it is possible that the structures designed in accordance with the previous ...
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A computer-based optimization method for plastic design of braced multi-story steel frames.
... factored combination loads, that is to say, the moment distributions that exist when the total value of incremental shear applied to a panel is zero, may be calculated[r] ...
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Structural optimisation of steel frames for industrial applications
... Figure 2: AZM1 structure. The formulation of the constraints begins with the constraints generated by the national steel construction code. The Eurocode 3, selected in this optimization problem, imposes the ...
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Contribution to the design of sway composite frames
... in the range λ cr /λ p ≥ 4. He recommended not to use it in practice when λ cr /λ p < 4 and suggested a second-order elastic-plastic analysis. When λ p /λ cr ≤ 0.1, λ u is limited to λ p , what means that the frame ...
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Recent investigations on composite sway frames
... For steel structures, this limitation of the field of application is not very restrictive as steel frames exhibiting a first-order rigid-plastic mechanism are usually not fulfilling the drift ...
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Pushover Analysis of Steel Seismic Resistant Frames with Reduced Web Section and Reduced Beam Section Connections
... within steel moment-resisting frames (MRFs). Previous belief that steel frames would provide sufficient ductility to resist seismic loading effectively led to an increase in steel-based ...
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A simple approach for the design of steel and composite sway building frames
... numerical simulations is seen to be rather good (maximum difference of 6%). Hence as a first preliminary conclusion, the level of interaction between instability and plasticity effects in composite frames seems, ...
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Critical parameters in deriving fire fragility functions for steel gravity frames
... At the system level, different fire resistance ratings are considered, which translates into different insulation thicknesses. The ratings range from no insulation to 3-hour fire resistance insulation based on ...
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Numerical and Experimental Seismic Assessment and Retrofit of Steel Tension-Only Double Angle Braced Frames Designed Before the Implementation of Detailing Provisions for Ductile Seismic Response
... in steel braced frames, the bracing members are selected to be the ductile ...braced frames with double angle steel bracing members and bolted ...
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Applicability of Composite Sway Structures to Sway Frames
... to steel sway structures: the concrete ...a steel frame and in a composite frame respectively, larger sway displacements are reported in the composite ...sway frames, to highlight the particularities ...
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Design of composite sway building frames for global instability
... resisting frames offer a flexible solution to the user of the buildings, especially for the internal arrangement and the exploitation of the ...such frames offer a structural solution, which can resist ...
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Shaking table tests on unreinforced load-bearing masonry frames
... Fig. 4 – additional mass and support system The structural floor load is simulated by an additional 5 tons mass fixed on a reinforced concrete slab lying on the top of the specimen (Fig. 4, left). The connection between ...
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Effects of gain-loss frames on advantageous inequality aversion
... Gain-Loss Frames on Advantageous Inequality Aversion Abstract This paper studies individuals’ preference for reducing advantageous inequality in the distribution of gains and ...
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Proposed structural testing of wooden house frames
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ...
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Loading test on joist and rafter roof frames
... The investigation of conventional joist and rafter roof frames by the Division of Building Research was initiated for the purpose of establishing performance requirements for trusses[r] ...
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Changing frames--understanding technological change in organizations
... The change requires the recognition of technological frames, and an understanding of their influence--for example, on technologists in their creation and maintenance of information techn[r] ...
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