填充聚氨酯调高盆式橡胶支座

Filled Polyurethane Upward Adjusting Bowl Rubber Bracket

研究目的:介绍了在遂渝无砟轨道综合试验段2座桥梁上使用的填充聚氨脂调高盆式橡胶支座。研究结果:对支座的构造特点、调高材料选择、调高工艺及填充调高前后的性能进行了试验及对比,试验结果表明该种调高方式操作方便、性能可靠、造价合理,能很好地满足客运专线和高速铁路桥梁支座调高的要求。

Research purposes:The introduction is given to the filled polyurethane upward adjusting bowl rubber bracket used on two bridges in the integrated experimental section for the ballastless track of Suining-Chongqing Railway. Research results:The tests are done and comparisons are made for the characteristics of bracket structure, selection of materials for upward adjusting,adjusting process and pre-adjusting and post-adjusting properties of the bracket.The test result shows this method of upward adjusting can...