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基于诱导行车视线与防眩功能的高速公路中央分车带植物种植间距研究 被引量:3

Research on the reasonable planting distance in central section of highway based on guiding the driving sight and anti-glare
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摘要 【目的】研究既满足行车视线诱导又满足防眩要求的中央分车带植物合理种植间距,以进一步提高高速公路行车安全。【方法】通过驾驶员视觉特性分析,根据《公路工程技术标准》(JTG B01-2014),构建基于诱导行车视线的直线路段和曲线路段植物种植间距模型,计算不同速度下植物诱导视线的种植间距;以几何关系及《高速公路交通安全设施设计规范》(DB 33/T 704-2013)构建公式,计算出基于防眩功能的植物间距,并与诱导视线的植物间距进行对比,得出高速公路中央分车带植物合理种植间距。【结果】基于植物诱导行车视线的直线路段,车速分别为60、80、100、120 km/h时,使驾驶员形成连续景观感受的植物种植间距分别为3.33、4.44、5.56、6.67 m;曲线路段车速分别为60、80、100、110 km/h时,中央分车带植物最佳视线诱导种植间距分别为3.33、4.44、5.56、6.11 m。基于防眩要求的直线路段植物种植间距为2.45~17.14 m,曲线路段为2.29~16.00 m。【结论】高速公路直线路段车速分别为60、80、100、120 km/h时,既满足行车视线诱导又满足防眩要求的中央分车带植物合理的种植间距分别为2.45~3.33、2.45~4.44、2.45~5.56、2.45~6.67 m;高速公路曲线路段车速分别为60、80、100、110 km/h时,中央分车带植物合理种植间距分别为2.29~3.33、2.29~4.44、2.29~5.56、2.29~6.11 m。 【Objective】 In order to further improve highway traffic safety by meeting requirements for guiding driving sight and anti-glare, the aim of the present study was to determine reasonable planting distances for the central green belt of highways. 【Method】 A model for planting distance at different speed on straight and curved highway sections was constructed on the basis of guiding driving sight, drivers’ visual characteristics, and the Highway Engineering Technique Standard(JTG B01-2014), and a formula for planting distance was constructed on the basis of anti-glare, geometrical relationship, and Code for the Design of Traffic Safety Facilities on Highways(DB33/T 704-2013). Then, two sets of data were compared to determine a reasonable planting distance for the central green belt of highways. 【Result】 The best planting distances for optimizing plant guiding driving sight at 60, 80, 100 and 120 km/h, were 3.33, 4.44, 5.56, and 6.67 m, respectively, on straight sections of highway, and the best planting distances at 60, 80, 100 and 110 km/h, were 3.33, 4.44, 5.56 and 6.11 m on curved sections of highway. Meanwhile, the best planting distances for optimizing anti-glare were 2.45-17.14 m on straight sections of highway and 2.29-16.00 m on curved sections of highway. 【Conclusion】The best planting distances for meeting both requirements at 60, 80, 100 and 120 km/h were 2.45-3.33, 2.45-4.44, 2.45-5.56 and 2.45-6.67 m, respectively on straight sections of highway, and the best planting distances for meeting both requirements at 60, 80, 100 and 110 km/h were 2.29-3.33, 2.29-4.44, 2.29-5.56 and 2.29-6.11 m on curved sections of highway.
作者 樊亚珍 王良桂 汪结明 向言词 彭文罡 王晨阳 刘炳攸 FAN Yazhen;WANG Lianggui;WANG Jieming;XIANG Yanci;PENG Wengang;WANG Chenyang;LIU Bingyou(School of Architecture and Art Design,Hunan University of Science&Technology,Xiangtan 411100,China;College of Landscape Architecture,Nanjing Forestry University,Nanjing 210037,China)
出处 《南京林业大学学报(自然科学版)》 CAS CSCD 北大核心 2019年第6期181-187,共7页 Journal of Nanjing Forestry University:Natural Sciences Edition
基金 国家自然科学基金项目(31671628,31671635) 湖南省教育厅优秀青年项目(17B098)
关键词 高速公路 中央分车带 植物种植间距 视线诱导 防眩 highway plants in central section of expressway planting distance driving sight guidance anti-glare
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