研究目的:我国现在对轻轨高架桥轻型桥墩的温度影响力及车辆制动力的计算没有统一规范,本文试图 解决轻型桥墩温度影响力及车辆制动力的计算问题。
研究结论:（1)柔性排架桩墩是由单排或双排的钢筋混凝土桩与钢筋混凝土盖梁连接而成,其主要特点 是可以通过一些构造措施，将上部结构传来的水平力（制动力、温度作用等)传递到全桥的各个柔性墩台，按 照刚度系数合理分配温度影响力和车辆制动力;（2)通过桥梁一般柔性墩的案例计算,发现轻轨高架桥的水 平力不均衡分布系数较铁路桥梁偏大一些,应该予以关注。随着城市轨道交通建设的发展，将会积累更客观 的经验。
Research purposes: At present ,there is no unitary calculation standards for the temperature effect on light bent pile pier of overhead bridge for light rail and the braking force of vehicle in China, so the researches are done on these issues for the purpose of providing reference.
Research conclusions: ( 1) Flexible bent pile pier is composed of single - row or double - row reinforced concrete pile and reinforced concrete cover beam through connections with the main features of transferring the level force (temperature effect and braking force ) from the top structure to every flexible pier of the bridge and rationa allocating the temperature effect and braking force in accordance with rigidity coefficient. (2) From the calculations of the typical bridge, it is found that the uneven level distribution coefficient of overhead bridge for light rail is larger than that of railway bridge, so more attention should be paid to it.
PDF(376 KB)
