Improved calculation model of dynamic stability of main framework of radial gate

Author

Jiliang, Liu ; Zhengzhong, Wang

Author_Institution

Res. Center of Water Eng. & Disaster Prevention, Northwest A & F Univ., Yangling, China

fYear

2011

fDate

22-24 April 2011

Firstpage

5110

Lastpage

5113

Abstract

Dynamic instability of the arm is one of the main reasons for the failure of radial steel gate, and it is the theoretical problem for design. An improved calculation model of dynamic stability of the arm is proposed according to forced characteristic of main framework and dynamic stability theory. Combining with an engineering example, this paper discusses conditions and characteristics of parametric resonance of the arm, i.e., the amplitude of dynamic load which causes parametric resonance becomes smaller when exciting frequency is closer to natural vibration frequency of the arm. The improved calculation model provides information for the study of dynamic stability of radial gate.

Keywords

design engineering; mechanical stability; steel; structural engineering; vibrations; design; dynamic instability; dynamic stability; natural vibration frequency; radial steel gate; Dynamics; Load modeling; Logic gates; Presses; Stability analysis; Steel; Vibrations; arm; calculation model; dynamic stability; parametric resonance; radial steel gate;

fLanguage

English

Publisher

ieee

Conference_Titel

Electric Technology and Civil Engineering (ICETCE), 2011 International Conference on

Conference_Location

Lushan

Print_ISBN

978-1-4577-0289-1

Type

conf

DOI

10.1109/ICETCE.2011.5776419

Filename

5776419