Results 11 to 20 of about 15,852,357 (241)

The behaviour of steel and composite beam-to-column connections in fire. [PDF]

open access: yes, 1999
Recent fire tests on the Cardington full-scale test frame and observations from real fires have demonstrated the significance of connections in fire, when they can have beneficial effects on the survival time of the structure. The
Al-Jabri, Khalifa Saif
core   +6 more sources

The influence of semi-rigid connections on the performance of steel framed structures in fire. [PDF]

open access: yes, 1997
Observation of fire damaged structures and recent fire tests at the Cardington LBTF have suggested that even nominally `simple' connections are capable of providing significant restraint at elevated-temperatures. As most frames
Leston-Jones, Lee Christopher
core   +6 more sources

Behaviour of semi-rigid composite connections for steel framed buildings [PDF]

open access: yes, 2009
During propped construction the steel-concrete composite action resists dead as well as imposed loads. Conversely, the steel section alone resists the floor self-weight in unpropped beams.
Muniasamy, D.
core   +7 more sources

Mathematical Structure of Loop Quantum Cosmology: Homogeneous Models

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2013
The mathematical structure of homogeneous loop quantum cosmology is analyzed, starting with and taking into account the general classification of homogeneous connections not restricted to be Abelian.
Martin Bojowald
doaj   +1 more source

Quantum integrability from non-simply laced quiver gauge theory

open access: yesJournal of High Energy Physics, 2018
We consider the compactifcation of 5d non-simply laced fractional quiver gauge theory constructed in [1]. In contrast to the simply laced quivers, here two Ω-background parameters play different roles, so that we can take two possible Nekrasov ...
Heng-Yu Chen, Taro Kimura
doaj   +1 more source

Resurgent analysis for some 3-manifold invariants

open access: yesJournal of High Energy Physics, 2021
We study resurgence for some 3-manifold invariants when G ℂ = SL(2, ℂ). We discuss the case of an infinite family of Seifert manifolds for general roots of unity and the case of the torus knot complement in S 3.
Hee-Joong Chung
doaj   +1 more source

Hamiltonian formulations of quasilinear theory for magnetized plasmas

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Hamiltonian formulations of quasilinear theory are presented for the cases of uniform and nonuniform magnetized plasmas. First, the standard quasilinear theory of Kennel and Engelmann (Kennel, Phys. Fluids, 1966, 9, 2377) is reviewed and reinterpreted in
Alain J. Brizard, Anthony A. Chan
doaj   +1 more source

Research Connections research and policy library

open access: yes, 2019
Child Care and Early Education Research Connections promoted high quality research in child care and early education and the use of that research in policy making.
Child Care & Early Education Research Connections
core   +1 more source

A Systems Approach to Designing a Traffic Collision Avoidance Early Warning System [PDF]

open access: yesJournal of Systemics, Cybernetics and Informatics, 2017
This article examines and evaluates the systems view of the concept of the collision avoidance early warning system (will be referred to as "the early warning system" in all further instances) which uses traffic accident data and data mining algorithms ...
Marián Lamr, Jan Skrbek
doaj  

Einstein Gravity, Lagrange-Finsler Geometry, and Nonsymmetric Metrics

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2008
We formulate an approach to the geometry of Riemann-Cartan spaces provided with nonholonomic distributions defined by generic off-diagonal and nonsymmetric metrics inducing effective nonlinear and affine connections.
Sergiu I. Vacaru
doaj   +1 more source

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