Results 281 to 290 of about 202,909 (329)
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Semi-Rigid Composite Connections for Gravity Loads
Engineering Journal, 1990Double web angles, top and seat angles, and seat angle and web clips are some of the most common connections used for floor beams in braced steel frames. These connections are considered to be rotationally weak, and therefore design proceeds along the assumption that these connections can be idealized as pins. In reality, because these connections have
Roberto T. Leon, Douglas Ammerman
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Formulas for Beams with Semi-rigid Connections
Engineering Journal, 1996This paper presents practical formulas for beams with semi-rigid connections of variable stiffness, and describes certain limitations for application of these formulas. Using the tables of formulas, the engineer is able to rapidly determine the effect of a partially restrained connection. A practical example illustrates the application of the formulas.
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Moment rotation curves for semi rigid connections
2016 International Conference on Electrical, Electronics, and Optimization Techniques (ICEEOT), 2016In the design of steel portal frames, we assume that the connections behave as it is pinned or rigid. Truly the connection would not behave as ideally pinned or ideally rigid. The connection falls between pinned and rigid, and it is known as semi-rigid. Change in the connection behavior changes the behavior of structure.
Venkatesh Patnana, A.Y. Vyavahare
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Semi-Rigid Connections in Steel Frames
2000The purpose of this chapter is to present the interaction of the steel frames and their joints and to describe an acceptable method of joint design. A key problem in dealing with joints is their classification, the basis of which is described in the Eurocodes and other available design codes in a variety of different ways.
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Vibration analysis of frames with semi-rigid connections
Computers & Structures, 1984Summary: Semi-rigid connections between members of frame structures are idealized as rotational and linear springs and the physical model representing each individual member is assumed to consist of a flexible beam with springs and dashpots attached at both ends.
Kawashima, Sukeo, Fujimoto, T.
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Review and Classification of Semi-Rigid Connections
2000Most design engineers assume the behavior of their building connections either as perfectly pinned or as completely fixed elements. This simplification results in an inaccurate prediction of frame behavior. Full-scale experiments are generally necessary to describe actual behavior of these connections.
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Elastic Restraint Equations for Semi-Rigid Connections
Transactions of the American Society of Civil Engineers, 1951The restraining effects of semi-rigid, girder-column connections have received considerable attention within recent years in both the United States and Great Britain.
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Expanded database of semi-rigid steel connections
Computers & Structures, 1995This paper expands the existing database of semi-rigid steel connections at Purdue University by including additional test data on header-plate and seat-angle, and double-web and seat-angle connections. The experimental moment rotation curves are also compared with several analytical models describing these curves.
K.M. Abdalla, Wai-Fah Chen
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Energy dissipation characteristics of semi-rigid connections
Journal of Constructional Steel Research, 2009Abstract This study presents the energy dissipation characteristics of semi-rigid connections obtained from 48 full-scale cyclic tests. The energy calculation was performed on the hysteresis loops obtained from the experimental data in which the area under the outer loop of each hysteresis was calculated.
Ali Abolmaali +3 more
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Identification of Semi-Rigid Connections from Stationary Statistical Moments
Civil-Comp Proceedings, 2015This paper presents a procedure for the identification of semi-rigid end connections of beam/column elements in frame structures. The technique relies on an explicit relationship between second order moments of the nodal stationary response under white noise and element end flexibilities.
FAILLA, ISABELLA +2 more
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