Risks and solving strategies of suitability evaluation on mining land reclamation based on the mine scale

2021 ◽  
Vol 06 (09) ◽  
Author(s):  
Wu Ya-lin ◽  

Reclamation suitability evaluation is the basis for determining the reuse direction of damaged land. Limit condition method is the most widely used method in land reclamation suitability evaluation at present. In this paper, the limit condition method is used to evaluate the suitability of land reclamation of damaged land in Pingdingshan Tianan ten coal mine. The evaluation index of damaged area is determined as six main factors: field slope/land flatness, ponding, depth of collapse, soil texture, thickness of soil layer, irrigation and drainage conditions, and finally determine the reclamation direction of the land to be reclaimed in combination with the overall local land use planning and the overall wishes of local residents.


2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Guobin Tang ◽  
Zizhao Zhang ◽  
Qianli Lv ◽  
Ruihua Hao ◽  
Kaikai Wang

The ecological environment is fragile in Xinjiang, so it is necessary to carry out land reclamation for mines to restore its ecology. The premise of mines land reclamation is to determine the direction of land reclamation, which requires the suitability evaluation for land reclamation. In this paper, the evaluation index system and suitability evaluation model for land reclamation of nonmetallic mines in Xinjiang Uygur Autonomous Region were established. This model was established by using factor analysis, cluster analysis, and discriminant analysis and tested by back-substitution. First, using 149 units of 21 nonmetallic mines as research samples, the samples were divided into 4 categories by a combination of factor and cluster analysis. Then, the samples were trained using a discriminant analysis method to establish the corresponding land reclamation suitability evaluation model. This model was verified by back-substitution with an accuracy of 98.7%, and only 2 of 149 samples were misclassified. Finally, the evaluation model was applied to the Dabancheng Toga Solo limestone mine in Urumqi. Evaluation analysis of 15 land reclamation units of this mine showed satisfactory results. The evaluation model developed here could serve as a powerful complement to the evaluation of land reclamation suitability in Xinjiang.


2011 ◽  
Vol 130-134 ◽  
pp. 1858-1861
Author(s):  
Da Bing Yang ◽  
Wen Xin Zhang ◽  
Qing Yao

Land reclamation is an effective measure in recovering land resources, protecting ecological environment and solving the contradiction between people and land. This paper adopts ArcEngine, ArcSDE, Oracle, Micirosoft Visual C# and other technologies to develop mining subsided land reclamation system which integrates reclamation suitability evaluation model, ground deformation prediction model, land cube calculation model and economic evaluation model. The system realized the information and network management about mining subsided land, provided the functions such as map operation, ground deformation analysis, earth volume calculation, reclamation suitability evaluation and economic evaluation. It can be used to help decision maker choose and plan their activities more effectively and scientifically to match situation of land reclamation and ecological restoration.


2014 ◽  
Vol 1010-1012 ◽  
pp. 1291-1296 ◽  
Author(s):  
Qing Jun Zhang ◽  
Jun Na Lu

Suitability evaluation is the important basis for scientifically determining the direction of land reclamation. This paper deeply elaborates the goal of land reclamation and the principles of suitability evaluation. land reclamation direction of the project area is initially determines to be cultivated land, forest land, grassland and garden plot based on region land-use planning and analysis of natural factors, socio-economic factors, policy factors of the mining area; the evaluation index system including five involved factors is constructed, and the suitability evaluation of evaluation units is carried out by the comprehensive index method and extreme conditions. Based on above-mentioned evaluation, the land reclamation direction of 14 evaluation units are ultimately determined by comprehensive analysis of the local natural conditions, social conditions and so on.


2013 ◽  
Vol 303-306 ◽  
pp. 2093-2097
Author(s):  
Kui Guo ◽  
He Sheng Zhang

This paper analyzes technology process ,of 1:50000 scale soil database in Changzhi County , Shanxi Province, and sets up soil database in Changzhi County. integrated use of VisualBasic6.0, Excel2003 development software,This paper analyzes the function and application of soil database, Introduced the corresponding results , provided data support for land suitability evaluation based on soil database, land reclamation, etc.


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