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Numerical simulation of multi-body floating piers to investigate pontoon stability

Frontiers of Structural and Civil Engineering 2013年第3期7卷 325-331页

作者： Mostafa Shahrabi Khosrow Bargi School of Civil Engineering College of EngineeringUniversity of TehranTehran 11155-4563Iran

The objective of this study is to develop a procedure to analyze the motions of a floating pier comprised of several pontoons that are modeled as rigid bodies and connected to each other by flexible and rigid ***,the use of floating piers has increased because of their advantages,such as faster and higher-quality construction,seismic force isolation for a full-scale mooring system,low dependence on local soil conditions and tides,ability to relocate or reconfigure the pier modules during the operation period and 75-100 years of repair-free service.A floating pier consists of a pier,access bridge,mooring system and fender system,each of which comes in many variations to suit different usages and construction *** typical loads used in the design of these piers are dead loads,live loads,mooring loads,fender loads and environmental loads induced by wind,currents and *** numerical simulation,three types of piers are used:passenger piers,light-cargo piers and semi-heavy-cargo *** selected piers consist of several large pontoons joined by pivots and have a pile-based mooring *** piers are modeled by SAP2000software as two-dimensional frames that are linked *** the first step,each type of pier is subjected to loading,and its general behavior is *** to this behavior,the major load combinations are described for the design of piers and analyzed to determine the behavior of the ***,according to the analysis results and the safe use and stability considerations,such as the maximum draft and longitudinal gradient,the dimensions of each module in each pier type are presented.

关键词： coastal structures numerical simulation floating pier rigid pontoons stability

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