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- W642681140 abstract "Based on the stability theory of arch bridge, the nonlinear finite element method is used to study the influencing parameters to the in-plane and out-plane stability of a reinforced concrete tied-arch bridge, those parameters include the load-arrangement method, the rise/span ratio, the bending rigidity of stiffening girder, the rigidity of rib, the rigidity of suspender, the numbers of diaphragm. The results indicate that: the unsymmetrical load-arrangement can reduce the stability of arch bridge; the stability coefficient under the full-uniform load is higher than that under the half-uniform load; when the rise/span ratio varies from 1/4 to 1/7, the bulking eigenvalue increases with the rise/span ratio, though the variation is not more than 2%; the influence of plane s bending rigidity of stiffening girder on the in-plane stability is greater than the one on the out-plane stability; the increasing of bending rigidity of arch rib can effectively enhance the stability coefficients of in-plane and out-plane; when the suspender s rigidity or the numbers of the diaphragm increase, the in-plane bulking eigenvalue increases not as remarkably as the one of out-plane eigenvalue, the later has a linear growth tendency. 2 tabs, 10 figs, 12 refs." @default.
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- W642681140 date "2008-07-01" @default.
- W642681140 modified "2023-09-25" @default.
- W642681140 title "Influencing parameters of stability for reinforced concrete tied-arch bridge" @default.
- W642681140 hasPublicationYear "2008" @default.
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