Exact(2)
Explicit formulae are given for space frames.
The trial design study demonstrates that built-in static overstrength is generally larger for space frames than for perimeter frames, whereas the force reduction attributable to inelastic dynamic response differs from one frame type to the other for various investigated heights and for different target performance levels.
Similar(58)
In this paper, an efficient reliability method is proposed for space framed structures.
While performance-based plastic design procedures have long been identified as the preferred methods of seismic design and other extreme loading conditions (Housner 1960; Mazzolani and Pilosu 1996; Goel et al. 2010; Grigorian 2013a, b), they have not been recognized fully as viable means of design for common types of space frames and similar structures under non-seismic scenarios.
PC appears to be the most desirable design method for such space frames as steel and reinforced concrete grillages, interconnected vierendeel girders, DLG and moment frames.
For example, in the United States a program at the Aluminum Company of America (Alcoa) called the aluminum intensive vehicle (AIV), and a similar one at Reynolds Metals, were established to develop materials and processes for making automobile "space frames" consisting of aluminum-alloy rods and die-cast connectors joined by welding and adhesive bonding.
However, since the numbers of bays, m and n, whether even or odd, influence the shape of the failure patterns and affect the magnitude of the corresponding failure loads for sparsely meshed space frames, it is necessary to study all combinations of such collapse mechanisms.
Until it developed aluminum space frames for its large sedans, Audi was among the manufacturers guilty of creeping weight gains in each successive generation of models.
"If you look into the whole value chain in the automotive industry there are many processes which need a lot of energy – making engine blocks, transmission, stamping and even in the plants where you assemble you need a lot of energy to run paint shops and there's lots of automation where you have robotics, or areas where you glue space frames for cars," Fuss said.
Numerical results by the transfer dynamic stiffness coefficient method for a space frame structure are compared with results by the finite element method and experiment.
He was so captivated by this practice that at one point he collaborated with amaquiladora to cheaply manufacture space frames specifically for raising up old bungalows.
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