Fuzzy Model Assessment on Over-Ground Environment Development of Shenfu Mining Subsidence Area

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Fuzzy Model Assessment on Over-Ground Environment Development of Shenfu Mining Subsidence Area

更新时间：2025-05-08

- Fuzzy Model Assessment on Over-Ground Environment Development of Shenfu Mining Subsidence Area
- Vol. 46, Issue 5, Pages: 137-142(2012)
- 作者机构：
  
  1. 北京林业大学水土保持学院,北京,100083
  2. 陕西省治沙研究所,陕西,榆林,719000
- 作者简介：
- 基金信息：
- DOI：
  CLC： X826
- Online First：10 May 2012，
  
  Published：2012
- 稿件说明：
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Fuzzy Model Assessment on Over-Ground Environment Development of Shenfu Mining Subsidence Area[J]. 2012, 46(5): 137-142.
DOI：

Fuzzy Model Assessment on Over-Ground Environment Development of Shenfu Mining Subsidence Area[J]. 2012, 46(5): 137-142. DOI：

摘要

以神府煤田风沙区2004年塌陷区为研究对象

通过连续7 a的野外系统观测

以采煤塌陷后不同塌陷年限(1～7 a)的地表破损率、塌陷裂缝残差等8个参数作为指标

利用模糊数学理论建立了风沙区采煤塌陷地表环境变化综合评价模型.计算表明:塌陷1 a的地表环境变化综合指数为0.918 4

属开始变化阶段; 塌陷2～3 a的综合指数为0.731 9～0.635 7

属地表环境加速变化阶段; 塌陷4～5 a的综合指数为0.404 6～0.316 4

属地表环境减速变化阶段; 塌陷6～7 a的综合指数为0.281 2～0.264 7

属地表环境变化趋于减速阶段.模型评价结果符合实际情况.

Abstract

Taking Shenfu mining subsidence area as example

subsided mining area recovery period is statistically investigated. In seven-year field work from 2004 to 2010

the surface breakage rate

residual value in subsidence crannies

and six other parameters are selected as the assessment factors

and a fuzzy model is hence established to assess the over-ground environment development of Shenfu mining subsidence area. Calculation results indicate that: in one year subsidence

the comprehensive index is 0.918 4

suggesting a diversified stage of over-ground environment development; in two to three years

the index is 0.731 9 to 0.635 7

suggesting an accelerated stage; in four to five years

the index is 0.404 6 to 0.316 4

suggesting a transitional stage; and in six to seven years

the index is 0.281 2 to 0.264 7

suggesting a decelerated stage. The simulation coincides with the practice.

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references

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