Topic
Portal frame
About: Portal frame is a research topic. Over the lifetime, 1778 publications have been published within this topic receiving 7210 citations.
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TL;DR: The result of the study shows that the energy dissipation capacity of steel moment frames could be improved throughout the implementation of such devices.
23 citations
01 Jan 2008
TL;DR: In this paper, the rotational characteristics of the column bases on the structural frame response are discussed and specific design criteria for stiffness classification into semi-rigid and rigid joints are derived.
Abstract: The influence of the rotational characteristics of the column bases on the structural frame response is discussed and specific design criteria for stiffness classification into semi-rigid and rigid joints are derived. The particular case of an industrial portal frame is then considered.
23 citations
TL;DR: In this paper, the elastic instability of PFRP portal frames with semi-rigid connections is investigated and the kinematical model used is based on a second-order displacement field, accounting for the shear strain influence on both non-uniform bending and torsion.
23 citations
Patent•
12 Oct 1976
TL;DR: In this paper, a portal frame attached to the open end of a trench box structure and assembling and rigidifying the stacked plural boxes forming the smooth wall sides of the consequent trench box whereby side sections or panels of trench boxes are stackably adjustable as to depth or trench served and the portal span provides maximum clearance for the pipe.
Abstract: A portal frame attached to the open end of a trench box structure and assembling and rigidifying the stacked plural boxes forming the smooth wall sides of the consequent trench box whereby side sections or panels of trench boxes are stackably adjustable as to depth or trench served and the portal span provides maximum clearance for the pipe.
23 citations
TL;DR: A pin-jointed truss connector named the Howick Rivet Connector (HRC) has been tested, firstly in a T-joint arrangement, then in a truss assemblage to determine its reliable strength and stiffness.
23 citations