Random seismic response analysis of truss structures with uncertain parameters

2007 ◽  
Vol 29 (7) ◽  
pp. 1487-1498 ◽  
Author(s):  
Wei Gao
Keyword(s):  
Seismic Response ◽  
Truss Structures ◽  
Response Analysis ◽  
Uncertain Parameters ◽  
Seismic Response Analysis ◽  
Random Seismic Response

Random Seismic Response Analysis of Long-Span Bridge Structures

2012 ◽  
Vol 204-208 ◽  
pp. 2157-2161 ◽  
Author(s):  
Zhang Jun Liu ◽  
Yan Fu Xing ◽  
Yong Wan
Keyword(s):  
Seismic Response ◽  
Independent Random Variables ◽  
Response Analysis ◽  
Orthogonal Expansion ◽  
Bridge Structure ◽  
Seismic Response Analysis ◽  
Long Span ◽  
Long Span Bridge ◽  
Bridge Structures ◽  
Random Seismic Response

Based on the orthogonal expansion method of stochastic processes, seismic acceleration processes can be represented as a linear combination of deterministic functions modulated by a set of mutually independent random variables. In conjunction with the probability density evolution method, the random seismic response of bridge structures can be successfully researched. A long-span bridge structure is taken as an example. The probabilistic information of the response of a long-span bridge structure in different control under earthquake excitations is investigated. The investigation provides a new approach to the random seismic response analysis of long-span bridge structures.

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