학술논문

ARMA過程で表現された既設橋梁振動モデルによる交通振動予測 / ESTIMATION OF TRAFFIC VIBRATION LEVEL FOR EXISTING BRIDGE BY USING ARMA MODEL
Document Type
Journal Article
Source
土木学会論文集 / Doboku Gakkai Ronbunshu. 2005, 2005(787):787-91
Subject
ARMA model
highway bridge
rms value
structural identification
traffic vibration
Language
Japanese
ISSN
0289-7806
1882-7187
Abstract
The vector ARMA model is structured by the contrability transformation of the discrete state equation for the dynamic equation of a highway bridge. Structural identification for the vector ARMA model is performed by the impulse testing using least-squares method. The discrete bridge-vehicle system equation is constructed by the vector ARMA model of bridge generated by the experiment and discrete vehicle equation. The covariance equation for the discrete bridge-vehicle-road surface model is derived. Authors proposed the estimation method for the bridge vibration level (r.m.s. value).