Results 31 to 40 of about 1,515,151 (301)

Post Buckling Behavior of Prismatic Structural Steel Members with Semi Rigid Connections [PDF]

open access: yesEngineering and Technology Journal, 2016
In most designs of steel frames,beam-column connections are assumed either perfectly pinned or fully rigid. This assumption results in an incorrect estimation of the structural behavior of these frames.
Amer M. Ibrahim, Murtada A. Ismael
doaj   +1 more source

On the Seismic Evaluation of Steel Frames Laterally Braced with Perforated Steel Plate Shear Walls Considering Semi-Rigid Connections

open access: yesBuildings, 2022
Steel plate shear walls usually do not satisfy the strong-column weak-beam design criteria, leading to larger column sections. On the other hand, rigid frame structures are typically constructed in low-rise to mid-rise buildings built in locations prone ...
Arsalan Majlesi   +5 more
doaj   +1 more source

Exo-Muscle: A Semi-Rigid Assistive Device for the Knee

open access: yesIEEE Robotics and Automation Letters, 2021
In this work, we introduce the principle, design and mechatronics of Exo-Muscle, a novel assistive device for the knee joint. Different from the existing systems based on rigid exoskeleton structures or soft-tendon driven approaches, the proposed device leverages a new semi-rigid principle that explores the benefits of both rigid and soft systems.
Yifang Zhang   +2 more
openaire   +2 more sources

semi-rigid chain [PDF]

open access: yes, 2014
Citation: 'semi-rigid chain' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.ST06872 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

Semi-rigid tripeptide agonists of melanocortin receptors [PDF]

open access: yesBioorganic & Medicinal Chemistry Letters, 2009
A series of 30 RCO-HfR-NH(2) derivatives show preference for the mouse MC1R vs MC3-5Rs. trans-4-HOC(6)H(4)CH=CHCO-HfR-NH(2) (13) [EC(50) (nM): MC1R 83, MC3R 20500, MC4R 18130 and MC5R 935; ratio 1:246:217:11] is 11 times more potent than the lead compound LK-394 Ph(CH(2))(3)CO-HfR-NH(2) (2) and only 11 times less potent than the native tridecapeptide ...
University of Cincinnati, James L. Winkle College of Pharmacy, Cincinnati, OH 45267, USA ( host institution )   +9 more
openaire   +3 more sources

Classification System for Semi-Rigid Beam-to-Column Connections

open access: yesLatin American Journal of Solids and Structures
The current study attempts to recognise an adequate classification for a semi-rigid beam-to-column connection by investigating strength, stiffness and ductility. For this purpose, an experimental test was carried out to investigate the moment-rotation (M-
Iman Faridmehr   +2 more
doaj   +1 more source

Effect of semi-rigid locking screws on the stiffness of a fracture-fixation construct: A conceptual finite-element study

open access: yesAdvances in Mechanical Engineering, 2019
Strong stiffness provided by locking-plate system has resulted in nonunion and delayed union for long bone fracture. Longer bone plate can lengthen the working length to reduce the structural stiffness of the fixation device but will enlarge skin ...
Xiao-Hua Pan   +5 more
doaj   +1 more source

Analysis of the Behaviour of Semi Rigid Steel End Plate Connections

open access: yesMATEC Web of Conferences, 2018
The analysis of steel-framed building structures with full strength beam to column joints is quite standard nowadays. Buildings utilizing such framing systems are widely used in design practice.
Bahaz A.   +3 more
doaj   +2 more sources

Semi-rigid steel beam-to-column connections [PDF]

open access: yesИнженерно-строительный журнал, 2017
Steel frameworks are widely used construction of multistory buildings for different purposes. In the practical framework calculations, the girder-column joint connections are taken as either absolutely rigid or hinged ones.
V.M. Tusnina
doaj   +1 more source

Analytical studies of the behaviour of semi-rigid non-sway frames with tubular columns. [PDF]

open access: yes, 1999
This thesis reports the research investigation on the behaviour of non-sway frames with SHS columns taking into consideration the influence of semi-rigid flowdrill connections.
Abd-Rahman, A.B.   +1 more
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