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VolF11Šª
”NF 2002”N
•ÅF 2003-2008•Å
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ŒfÚŽGŽi‰pjF THE EARTHQUAKE ENGINEERING SYMPOSIUM PROCEEDINGS
’˜ŽÒi‰pjF Nobuhisa Suzuki, Hiroyuki Horikawa, Takeshi Mori, Toshiyuki Mayumi, Yoshihisa Shimizu, Ken-ichi Koganemaru, Koji Yoshizaki, Yoshito Hatsuta
ƒ^ƒCƒgƒ‹i‰pjF A Fast Analytical Method for Seismic Responses of Buried Pipeline Networks
´˜^i‰pjF A very fast analytical method is proposed in this paper, which is effective to solve nonlinear deformation of a buried extensive pipeline network subjected to seismic loadings such as temporary ground deformation and permanent ground deformation. The extensive pipeline networks should be divided into network segments each of which consists of a straight pipe and two boundary elements. A nonlinear fundamental equation has been derived which is applicable to solve deformation of the network segments under the effect of the seismic loadings. The nonlinear fundamental equation can be solved quickly applying an iterative procedure. The proposed fast analytical method provides both simplicity of design formulas and versatility of computer codes preserving required accuracy for practical use.
ƒL[ƒ[ƒhi‰pjF buried pipeline, network, seismic design, response analysis
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