高铁箱梁支座钢板空响的病害预防与补救研究.docx
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1、高铁箱梁支座钢板空响的病害预防与补救研究高铁箱梁支座钢板空响病害预防和补救研究弭 彬1,湖北工业大学研究生院2,华铁工程咨询有限责任公司摘要:铁路线所经地域形貌各异,逢山凿洞,遇水则架桥,四季寒暑交替,列车往返驰骋,自然环境和列车运行状况无不考验铁路桥梁承受力,高速铁路对桥梁品质要求尤甚。这就对桥梁设计,制造工艺和建造材料品质给出了很高要求。支座是铁路桥梁重要组成部分,它支撑着桥梁和过往列车全部重量,以及列车动荷能量,它在起到支撑和固定梁体同时,还要起到梁体在受外力变形和受温度变化而变形时自由伸缩调节作用,铁路桥梁在运营过程中,支座在列车荷载作用下,支座底面和桥墩支撑垫石均会受到巨大动能冲击。
2、而“健康”铁路桥梁组件是行车安全保障,我国铁路桥梁制造工艺总体日臻成熟,但是在铁路桥梁预制过程中还是有些难以祛除通病,如:高铁箱梁支座空响。作为铁路工程技术人员,我们就要溯流探源,查出病害症结所在,并找到解决方案和预防补救措施。本文将着重讨论高铁箱梁支座钢板空响病害预防和补救措施,对高铁箱梁支座预埋钢板产生空响原因和可能引致危害进行逐一深入分析,研究预防和补救高铁箱梁支座钢板发生空响可行措施。为完善我国铁路桥梁制造技术工艺建言献策。关键词:高铁箱梁,支座,空响,病害,预防和补救,环氧树脂填充,有机高分子。High metal box empty steel beam support disea
3、se prevention and remedial effects of the researchAbstract: Railway line over the path of the different geographical topography, every mountain to dig a hole, water the bridge; a railway line to be the bridge of the frame at a lot, mountain valley lying land, to be poured pile column. Summer and win
4、ter seasons turn, the train ride from the natural environment and train all test conditions the pressure on railway bridges, high-speed rail (hereinafter referred to as: high-speed rail) bridge the quality requirements of even worse. This is the bridge design, manufacturing processes and quality of
5、construction materials gives a very high demand. Bearing is an important part of the railway bridge, which supports the bridge and past the full weight of the train and the train moving past the bridge load energy, and fixed it to play a supporting beam, we must also play a beam in the by the extern
6、al deformation and deformation temperature and the free expansion of the regulatory role of the railway bridge in the operating process, bearing in train loads, the bottom bearing support pad with stone piers will be a huge momentum impact. The health of the railway bridge component is driving secur
7、ity, Chinas railway bridge to the overall manufacturing process matured, but in the process of pre-railway bridge is difficult to eliminate the common problem, or some, such as: high metal box beam support empty ring. As railway engineering and technical personnel, we have upstream Origin and find o
8、ut where the crux of disease, and to find remedial solutions and preventive measures. The article will focus on high metal box empty ring of steel beam support disease prevention and remedial measures subject to the embedded steel beam support high metal box have empty ring causes and may lead to ha
9、rm for each in-depth analysis, research metal box to prevent and remedy the high occurrence of empty steel ring beam support practical measures. To improve Chinas railway bridge manufacturing process offering advice and suggestions.Key words off: high metal box beams, bearings, air ring, disease, pr
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- 关 键 词:
- 高铁箱梁 支座 钢板 病害 预防 补救 研究
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