采煤塌陷地动态演变规律分析模型

采煤塌陷地动态演变规律分析模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Application-focused categoriesNatural-perspectiveLand regions

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Chinese {{currentDetailLanguage}} Chinese

采煤塌陷地动态演变规律分析模型

       1)地表任意点Pxy)的下沉值:

                 

  式中,为坐标x的地面点P的下沉值;

为沿y方向的地表下沉值;为充分采动条件下最大下沉值;r为主要影响半径;L为工作面长度的水平投影。

      2)流体力学理论支持下采煤塌陷地动态演变的基本规律:

           

  式中,

        

    

  式中,

      

      

  式中,

        

          ;

  分别为地面沉陷中任意点Pxyo)的水平移

动分量;Pxyo);分别表示第i层和第i层的下一层厚度;h

为开采厚度;分别表示矩形工作面的走向长度和倾向长度;分别表示覆盖

岩层第i层剪切模量和泊松比;分别表示第i层下一层剪切模量和泊松比;

为积分变量,且xy为开采工作面有效角点坐标。

 

参考文献:

    方创琳,毛汉英:兖滕两淮地区采煤塌陷地的动态演变规律与综合整治。地理学报,1998,531

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How to Cite

《资源环境数学模型手册》 (2018). 采煤塌陷地动态演变规律分析模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/6173cc25-cd21-402d-95d7-584dd6a2bedd
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Last modifier : 
zhengzhong
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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
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Last modifier : 
zhengzhong
Last modify time : 
2020-11-05
Modify times : 
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