Static characteristics analysis of three-tower suspension bridges with central buckle using a simplified model

2021 ◽  
Vol 245 ◽  
pp. 112916
Author(s):  
Hongyou Cao ◽  
Yupeng Chen ◽  
Jun Li ◽  
Shuang Liu
Keyword(s):  
Simplified Model ◽  
Suspension Bridges ◽  
Static Characteristics ◽  
Characteristics Analysis ◽  
Central Buckle

Seismic Performance of the Buckling-Restrained Brace Central Buckle for Long-Span Suspension Bridges

2018 ◽  
Vol 12 (05) ◽  
pp. 1850015 ◽  
Author(s):  
Wei Guo ◽  
Jianzhong Li ◽  
Nailiang Xiang
Keyword(s):  
Seismic Performance ◽  
Design Procedure ◽  
Suspension Bridges ◽  
Preliminary Design ◽  
Viscous Dampers ◽  
Buckling Restrained Brace ◽  
Long Span ◽  
Parametric Analyses ◽  
Yield Force ◽  
Central Buckle

In this paper, a novel central buckle composed of buckling-restrained braces (BRBs) is developed for long-span suspension bridges, and its preliminary design procedure is presented. Seismic performance of suspension bridges equipped with BRB central buckles is investigated and compared with those with conventional central buckles (e.g. rigid or flexible central buckles). Furthermore, the effect of BRB yield force, as well as the effectiveness of BRB central buckles combined with viscous dampers, is evaluated using parametric analyses. The results indicate that the BRB central buckle is more effective than other central buckles in reducing both the longitudinal girder displacements and force demands on towers during an earthquake. Furthermore, the combination of BRB central buckles and viscous dampers is a superior option for mitigating the seismic response of long-span suspension bridges.

Dynamic and Static Characteristics Analysis Study of Hot-Wire Probe in Constant Temperature Model

2013 ◽  
Vol 278-280 ◽  
pp. 735-742
Author(s):  
Qing Yan Wei ◽  
Tian Hong Zhang
Keyword(s):  
Heat Conduction ◽  
Constant Temperature ◽  
Temperature Model ◽  
Static Characteristics ◽  
Hot Wire ◽  
Wire Probe ◽  
Balance Principle ◽  
Characteristics Analysis ◽  
Control Circuits ◽  
Improved Design

Lumped and distributed dynamic/static models of constant temperature hot-wire probe are established according to heat balance principle. Dynamic and static characteristics of hot-wire probe are analyzed in terms of hot-wire probe sizes, control circuit parameters and flow velocity.Simulation results show that reliability and stability of the hot-wire probe depend on bias voltage.The dynamic and static characteristics of hot-wire probe refly on the ratio of length to diameter ratio crucially.Once the ratio exceeds 300, heat conduction terminal loss can be ignored. When over-heating ratio of hot- wire or flow velocity increases, heat conduction terminal loss can be omitted as well .Besides frequency response of hot-wire probe can be improved simultaneously.The above conclusions can provide guidance in the improved design for hot-wire probe and its control-circuits.

scholarly journals Static Characteristics Analysis of Hybrid-type Servovalve.

1995 ◽  
Vol 26 (7) ◽  
pp. 888-895 ◽  
Author(s):  
Kenji WATANABE ◽  
Kazunori TSUSHIMA
Keyword(s):  
Static Characteristics ◽  
Hybrid Type ◽  
Characteristics Analysis
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