Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Guangfan Li"'
Publikováno v:
Underground Space, Vol 16, Iss , Pp 1-17 (2024)
The precast composite reinforced concrete wall with the advantages of fewer joints, superior impermeability and rapid construction provides an efficient and environmental friendly alternative in the construction of underground utility tunnels in the
Externí odkaz:
https://doaj.org/article/3aeb79b5992741be9d5287b5c0e26782
Publikováno v:
Electronic Journal of Structural Engineering, Vol 2 (2002)
A numerical method is developed for calculating the buckling loads of tapered columns of regular polygon cross-section with constant volume and both clamped ends. The linear, parabolic and sinusoidal tapers are considered in numerical examples. From
Externí odkaz:
https://doaj.org/article/91478185ebf94eb1a192b04bd0eed395
Publikováno v:
CSEE Journal of Power and Energy Systems. 3:243-252
The studied sending-terminal's UHVDC converter transformer with the UHVAC grid is currently one of the largest-capacity converter transformers, which is characterized by strong support for the large-scale grid power delivering out, strengthening grid
Publikováno v:
DEStech Transactions on Environment, Energy and Earth Sciences.
Sub-synchronous oscillation (SSO) problems exist in wind power gathering areas as northwest China. To make clear mechanism of SSO induced by large capacity direct drive permanent magnet synchronous generators (D-PMSG), linear impedance model of grid
Publikováno v:
Japanese Geotechnical Society Special Publication. 2:816-818
Autor:
Guangfan Li, Cheng Huanchao, Yuanxiang Zhou, Yingyan Liu, Bo Li, Ninghua Wang, Peng Li, Yunshan Wang
Publikováno v:
Journal of Electrostatics. 67:417-421
The wide use of high voltage direct current (HVDC) equipments, such as convert transformer, DC bushing, DC cables, makes the research of oil-paper material insulation extraordinarily important. The space charge effect is the key insulation problem of
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 17:835-846
This paper deals with the flexural free vibrations of circular strip foundation with the variable breadth on Pasternak soil. The breadth of strip varies with the linear functional fashion, which is symmetric about the mid-arc. Differential equations
Publikováno v:
International Journal of Structural Stability and Dynamics. :377-390
The differential equations governing free vibrations of the elastic, parabolic arches with unsymmetric axes are derived in Cartesian coordinates rather than in polar coordinates. The formulation includes the effects of axial extension, shear deformat
Publikováno v:
KSCE Journal of Civil Engineering. 7:305-311
This paper discusses the numerical methods that were developed for calculating the buckling loads with the corresponding buckled shapes of linearly tapered columns laterally restrained by multiple elastic springs. In formulating the governing equatio
Publikováno v:
Electronic Journal of Structural Engineering. 2:76-84
A numerical method is developed for calculating the buckling loads of tapered columns of regular polygon cross-section with constant volume and both clamped ends. The linear, parabolic and sinusoidal tapers are considered in numerical examples. From