• |本期目錄/Table of Contents|

    [1]王軍,楊勇,孫偉亮.互通立交匝道平曲線內側停車視距檢驗與改善[J].廈門理工學院學報,2020,(3):15-19.[doi:doi:1019697/jcnki16734432202003003]
     WANG Jun,YANG Yong,SUN Weiliang.Inspection and Improvement of Stopping Sight Distance forHorizontal Curves in Interchanges[J].Journal of JOURNAL OF XIAMEN,2020,(3):15-19.[doi:doi:1019697/jcnki16734432202003003]
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    互通立交匝道平曲線內側停車視距檢驗與改善(PDF)
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    《廈門理工學院學報》[ISSN:1673-4432/CN:35-1289/Z]

    卷:
    期數:
    2020年第3期
    頁碼:
    15-19
    欄目:
    機械與汽車工程
    出版日期:
    2020-06-30

    文章信息/Info

    Title:
    Inspection and Improvement of Stopping Sight Distance for Horizontal Curves in Interchanges
    文章編號:
    16734432(2020)03001505
    作者:
    王軍12楊勇12孫偉亮12
    (1 安徽省交通規劃設計研究總院股份有限公司,安徽 合肥 230088; 2 公路交通節能環保技術交通運輸行業研發中心,安徽 合肥 230088)
    Author(s):
    WANG Jun12YANG Yong12SUN Weiliang 12
    (1Anhui Transportation Consulting & Design Institute Company,Hefei 230088,China 2. Road Traffic Energy Conservation and Environmental Protection Technology Transportation Industry R&D Center,Hefei 230088, China)
    關鍵詞:
    互通立交匝道停車視距檢驗視距改善橫凈距平曲線半徑
    Keywords:
    interchange ramp stopping sight distance inspection sight distance improvement horizontal clear distance horizontal curve radius
    分類號:
    U41235
    DOI:
    doi:1019697/jcnki16734432202003003
    文獻標志碼:
    A
    摘要:
    在互通立交匝道平曲線內側設置護欄,減小了匝道視距橫凈距,導致運行車輛停車視距不夠,威脅行車安全,應將護欄視為視線遮擋物,并進行運行車輛的停車視距檢驗?赏ㄟ^匝道視距橫凈距的計算方法,由已知的橫凈距,計算出汽車行駛軌跡半徑;根據匝道設計速度、實際橫凈距、停車視距等,計算出匝道在不同設計速度條件下滿足視距要求的臨界圓曲線半徑,并按一般地區對應的停車視距計算確定匝道橫凈距。已建成的互通立交,若匝道平曲線半徑未達到臨界值要求,應采取加寬硬路肩、外移護欄等視距改善措施,加寬橫凈距,或將行駛速度按低一級的設計速度進行合理限制,以提高行車安全性。
    Abstract:
    Guardrails on the inner side of the horizontal curve on the interchange ramp reduces the onramp lineofsight horizontal clear distance and the stopping sight distance,resulting in threatened driving safety.Guardrail should therefore be regarded as a sight obstruction and inspected as such.Through the calculation of the onramp lineofsight horizontal clear distance,the radius of the car driving trajectory is calculated from the known horizontal clear distance at the same time,minimum values of the onramp horizontal curve radius that meets the lineofsight requirements at varied speeds should be calculated according to speed designed,real clear distance and stopping sight distance,and so are the onramp horizontal clear distances calculated by areaFor established interchanges with horizontal curve radius failing the minimum value,either the horizontal clear distance should be widened by shoulder widening,guardrail extending or similar measures,or driving speed be reduced to a lower rate so as to improve driving safety at these sites.

    參考文獻/References:

    [1] 江曉霞,袁宏偉.高速公路互通立交安全性設計研究[J].公路,2006(4):167170. [2] 張宇輝.基于運行車速的路線一致性設計研究[J].北方交通,2010(4):36. [3] 張科.高速公路互通式立交區域安全性評價研究[D].長沙:長沙理工大學,2011. [4] 唐云,李生龍.匝道平曲線內側停車視距檢驗及改善措施探討[J].交通工程,2019(9):276279. [5] 中華人民共和國交通運輸部.公路路線設計規范: JTG D20—2017[S].北京:人民交通出版社股份有限公司,2017:12. [6] 中華人民共和國交通運輸部.公路立體交叉設計細則: JTG/T D21—2014[S].北京:人民交通出版社股份有限公司,2014:10.

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    備注/Memo

    備注/Memo:
    收稿日期:20191129修回日期:20200608 〖BFQ〗〖HT5”H〗基金項目:〖HT5”SS〗〖BFQ〗〖ZK(〗十三五福州市海洋經濟創新發展示范項目(FJHJFL20198);福建省平潭綜合實驗區藍色海灣整治行動項目(2016年度)〖ZK)〗通信作者:王軍,男,工程師,碩士,研究方向為道路與鐵道工程,Email: 943006811@qqcom。 引文格式:王軍,楊勇,孫偉亮.互通立交匝道平曲線內側停車視距檢驗與改善[J].廈門理工學院學報,2020,28(3):1519 Citation:WANG J,YANG Y,SUN W LInspection and improvement of stopping sight distance for horizontal curves in interchanges[J]Journal of Xiamen University of Technology,2020,28(3):1519(in Chinese)
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