黄土地区修建淤地坝的洪水标准设计模型

黄土地区修建淤地坝的洪水标准设计模型

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Initial contribute: 2018-12-04

Authorship

  • 《资源环境数学模型手册》
    • Affiliation:  
    岳天祥编著
    Email:  
    yue@lreis.ac.cn
    Homepage:  
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    Classification(s)

    ● Application-focused categoriesNatural-perspectiveLand regions
    ● Application-focused categoriesNatural-perspectiveSolid-earth regions
    ● Application-focused categoriesHuman-perspectiveDevelopment activities
    ● Application-focused categoriesIntegrated-perspectiveRegional scale

    Model Description

    Chinese {{currentDetailLanguage}} Chinese

    黄土地区修建淤地坝的洪水标准设计模型

     

    1.  洪水设计标准与工程投资

    （1）    不同频率下的洪峰流量模型：

    式中，为设计洪峰模数；为流域面积。

    （2）    各频率下洪水总量模型：

    式中，为降雨径流量。

    2.  设计洪水标准与垮坝损失

    （1）    坝体决口损失模型：

    式中，为决口断面宽度；为淤地坝坝顶长度。

    （2）    下游冲毁损失模型：

    式中，为溃坝流量；为考虑溃坝时决口可能的宽度与坝长之比和出溢条件的系数；为在极限洪水位时上游水面线与坝坡面接合长度；为溃坝前上下游水位差。

    3.  适宜设计洪水标准的确定

    不同设计洪水标准下的最小费用模型：

    式中，为投资经济效益标准系数；为考虑到日常维修费用的系数；为每种洪水设计标准下的建坝总投资；为各设计洪水标准下溃坝后所带来的经济损失。

     

    参考文献：

    黄国俊，蒋定生：黄土地区修建淤地坝的设计洪水标准。水土保持通报，1988,8（2）

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    How to Cite

    《资源环境数学模型手册》 (2018). 黄土地区修建淤地坝的洪水标准设计模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/c288769d-0ab8-4f3e-87db-a51f0a40d93c
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    History

    Last modifier : 
    Zhiyi Zhu
    Last modify time : 
    2020-12-02
    Modify times : 
    2 View History

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    Contributor

    {{lightenContributor.name}}
    Initial contribute: 2018-12-04

    Co-contributor(s)

    Authorship

  • 《资源环境数学模型手册》
    • Affiliation:  
    岳天祥编著
    Email:  
    yue@lreis.ac.cn
    Homepage:  
    View
    Is authorship not correct? Feedback

    History

    Last modifier : 
    Zhiyi Zhu
    Last modify time : 
    2020-12-02
    Modify times : 
    2 View History

    QR Code

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