| 高速公路红砂岩路基排水设计要素 |
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| 引用本文： | 赵华,彭华烨.高速公路红砂岩路基排水设计要素[J].路基工程,2013,0(2):29-32. |
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| 作者姓名： | 赵华 彭华烨 |
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| 作者单位： | 1.长安大学公路学院，西安 710064 |
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| 基金项目： | 江西省交通运输厅重点科技项目（2010C00066） |
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| 摘 要： | 针对江西省境内典型红砂岩地区高速公路路基排水设施的特点，结合各类沟渠的结构重要性、损坏状况、使用要求及现行规范要求等，通过对区域性排水设施关键设计参数的合理考量，提出了红砂岩路基排水设施设计降雨重现期与安全高度建议值，探讨了排水设施冲淤条件与允许最小纵坡之间的关系，并结合红砂岩路基排水要求高的特点，提出了高速公路红砂岩路基排水设计要素。
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| 关 键 词： | 高速公路 红砂岩路基 排水设计 纵坡 安全高度 |
| 收稿时间： | 2019-11-08 |
Elements of Drainage Design for Highway Subgrade in Red Sandstone |
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| Authors: | ZHAO Hua PENG Huaye |
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| Affiliation: | 1. School of Highway, Chang＇an University, Xi＇an 710064, China; 2. Jiangxi TransportationResearch Institute, Nanchang 330038, China; 3. School of Civil Engineering and Architecture; Nanchang University, Nanchang 330031, China) |
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| Abstract: | In connection with the feature of drainage facilities for highway subgrade in typical red sandstone area in Jiangxi province and based on the structural essentiality, distress condition, end requirement and the current specification requirements related to various types of ditches, this paper, with proper consideration about key design parameters of regional drainage facilities, recommends the value of both designed repetition period of rainfall and safe height of drainage facilities for red-sandstone subgrade, discusses the relation between prerequisite of discharging sediment in ditches or conduits and the permitted minimum longitudinal slope, and then combined with the high requirement of drainage for subgrade in red sandstone, the design elements thereof are proposed. |
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| Keywords: | highway red-sandstone subgrade drainage design longitudinal slope safe height |
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