Analytical models of floating bridges under moving loads

被引：20
|
作者：
Raftoyiannis, Ioannis G. [1 ]
Avraam, Tassos P. [1 ]
Michaltsos, George T. [1 ]
机构：
[1] Natl Tech Univ Athens, Dept Civil Engn, Athens 15780, Greece
来源：
ENGINEERING STRUCTURES | 2014年 / 68卷
关键词：
Floating bridges; Moving loads; Pontoons; Dynamic behavior; WATER;
D O I：
10.1016/j.engstruct.2014.03.002
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The dynamic response of floating bridges consisting from simply connected non-deformable pontoons under the action of a moving load with constant velocity is thoroughly studied. Taking into account the moving load, the buoyancy forces and the forces due to waves, the dynamic equilibrium is expressed by a set of dynamical equations of motion with respect to the joints between pontoons. The gathered nonlinear equations of motion are solved using the numerical method Runge-Kutta and the dynamical deflections of the joints between pontoons are shown in related diagrams for several velocities of the moving load and characteristics of the waves. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：144 / 154
页数：11
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