| 1. | 2 . the field ambient vibration tests induced by wind and normal traffic were carried to determine the real dynamic characteristics , including vertical , torsional , transversal and longitudinal frequencies and modal shapes , each cable tension force , as well as the figure of the bridge deck 2 .进行实桥在环境激励下的动载试验,测量该桥的竖向、扭转、横向以及纵向的动力特性,所有拉索的索力及桥面线型。 |