| 温度和列车荷载作用下弹性支承块式无砟轨道道床板配筋率计算 |
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| 引用本文： | 伍曾,杨荣山,刘学毅.温度和列车荷载作用下弹性支承块式无砟轨道道床板配筋率计算[J].铁道科学与工程学报,2008,5(5). |
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| 作者姓名： | 伍曾 杨荣山 刘学毅 |
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| 作者单位： | 西南交通大学,土木工程学院,四川,成都,610031;西南交通大学,土木工程学院,四川,成都,610031;西南交通大学,土木工程学院,四川,成都,610031 |
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| 基金项目： | 教育部跨世纪优秀人才培养计划 |
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| 摘 要： | 建立了道床板分别在温度力裂缝宽度控制及列车动荷载作用下的道床板有限元计算模型,计算了道床板在分别受温度力裂缝宽度控制及列车荷载作用下应力、弯矩,计算了混凝土道床板在不同裂缝宽度控制下的所需的配筋率,并根据计算结果绘制这二者双重作用下的道床板配筋布置图.
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| 关 键 词： | 道床板 无碴轨道 温度裂缝 列车荷载 配筋率 |
Caculation and analysis for ratio of reinforced in slab of elastic supporting block unballasted track under temperature and train loads |
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| WU Zeng,YANG Rong-shan,LIU Xue-yi.Caculation and analysis for ratio of reinforced in slab of elastic supporting block unballasted track under temperature and train loads[J].Journal of Railway Science and Engineering,2008,5(5). |
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| Authors: | WU Zeng YANG Rong-shan LIU Xue-yi |
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| Institution: | WU Zeng,YANG Rong-shan,LIU Xue-yi(School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China) |
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| Abstract: | Slab's calculation models of controlling temperature crack width and train loads were constructed separately,and the results of stress and bending moment were also calculated respectively.Every kind of ratio of reinforced in slab under every kind of controlling temperature crack width was calculated as well,finally the layout of drawing of reinforcement was plotted for engineering reference. |
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| Keywords: | slab unballasted track temperature crack train load ratio of reinforced |
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