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NOTIFICATION
| 题名： | NOTIFICATION |
| 正文语种： | eng |
| 摘要： | Movement of traffic on bridges causes fluctuating stresses, resulting into possible fatigue damage. The stress spectrum due to vehicular traffic depends on the composition of traffic, vehicle attributes i.e., gross vehicle weight, axle spacing and axle load, vehicle spacing, structural configuration of the bridge and dynamic effects.The truck defined in Fig. 7A shall be used for the fatigue life assessment of steel, concrete and composite bridges. The transverse wheel spacing and tyre arrangement of this truck shall be as per Fig. 7B. 50% of the impact factors mentioned in Clause 208 shall be applied to this fatigue load.The stress range resulting from the single passage of the fatigue load along the longitudinal direction of the bridge, shall be used for fatigue assessment with the fatigue load so positioned as to have worst effect on the detail or element of the bridge under consideration. The minimum clearance between outer edge of the wheel of the fatigue vehicle and roadway face of the kerb shall be 150 mm. |
| 出版年： | 2022 |
| 期刊名称： | Indian Highways |
| 卷： | 50 |
| 期： | 12 |
| 页码： | 42-74 |
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