Results 11 to 20 of about 153,980 (264)

Effect of intermediate supports location on natural frequencies of multiple cracked continuous beams

open access: yesVietnam Journal of Mechanics, 2018
The present paper deals with free vibration of multiple cracked continuous beams with intermediate rigid supports. A simplified method is proposed to obtain general solution of free vibration in cracked beam with intermediate supports that is then used ...
Do Nam   +4 more
doaj   +1 more source

Response analysis of long-period seismic action in far field to long-span continuous beam bridge with isolated high piers [PDF]

open access: yesE3S Web of Conferences, 2021
In order to study the influence of far-field long-period seismic waves on high-pier and long-span continuous beam bridge, taking a high-pier and long-span continuous beam bridge with span arrangement of (95+170+95) m as an example, a numerical analysis ...
Yanan Wang   +4 more
doaj   +1 more source

Stability and Resistance of Steel Continuous Beams with Thin-Walled Box Sections

open access: yesArchives of Civil Engineering, 2018
The issues of local stability and ultimate resistance of a continuous beam with thin-walled box section (Class 4) were reduced to the analysis of the local buckling of bilaterally elastically restrained internal plate of the compression flange at ...
Brzezińska K., Szychowski A.
doaj   +1 more source

Stochastic analysis of lattice, nonlocal continuous beams in vibration

open access: yesVietnam Journal of Mechanics, 2021
In this paper, we study the stochastic behavior of some lattice beams, called Hencky bar-chain model and their non-local continuous beam approximations.
Yuchen Li   +2 more
doaj   +1 more source

Analytical formulas for prismatic continuous beams of equal spans

open access: yes工程科学学报, 2023
Solving the deformation and internal force of a prismatic multispan continuous beam of equal spans is a fundamental and classic problem in the area of civil engineering.
Yi ZHOU   +3 more
doaj   +1 more source

Parametric Study of Continous Composite Steel-Concrete Beam with External Prestressing [PDF]

open access: yesEngineering and Technology Journal, 2015
In the present study, three-dimensional nonlinear finite element analyses were conducted to investigate the effect of several important parameters on the behavior of the external prestressed continuous composite steel-concrete beam.
Amer M. Ibrahim, Wissam D. Salman
doaj   +1 more source

Moment constraints in beams with discrete and continuous rotational symmetry

open access: yesPhysical Review Accelerators and Beams, 2022
This study presents a general analysis of how the transverse rotational symmetry of a beam imposes equality constraints among transverse beam moments. Efficient analytic methods are developed to derive symmetry-imposed constraints among kth order moments
Jonathan C. Wong, Steven M. Lund
doaj   +1 more source

“Analytical continuation” of flattened Gaussian beams

open access: yesJournal of the Optical Society of America A, 2023
A purely analytical extension of flattened Gaussian beams [Opt. Commun. 107, 335 (1994)OPCOB80030-401810.1016/0030-4018(94)90342-5] to any values of beam order is here proposed. Due to it, the paraxial propagation problem of axially symmetric, coherent flat-top beams through arbitrary ABCD optical systems can definitely be solved in closed form via a ...
openaire   +3 more sources

Buckling of Continuously Supported Beams [PDF]

open access: yesJournal of Applied Mechanics, 1973
The buckling of infinite beams continuously supported by a semi-infinite elastic continuum is investigated. The buckling loads were determined when the beam rests on a two-dimensional elastic continuum and also when the foundation extends beyond the width of the beam.
openaire   +2 more sources

Continuity of the eigenvalues for a vibrating beam

open access: yesApplied Mathematics Letters, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Xin Jiang   +3 more
openaire   +2 more sources

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