The Water Quality Difference Analysis in Different Closed Conditions of the Panji Coal Mining Subsidence Waters in Huainan

2008 ◽  
Author(s):  
Jia-Zhu Yuan ◽  
Jia-Ping Yan ◽  
Liang-Ji Xu ◽  
Hui Zhang ◽  
Jin-Song Liu
Keyword(s):  
Water Quality ◽  
Coal Mining ◽  
Mining Subsidence ◽  
Difference Analysis ◽  
Coal Mining Subsidence ◽  
Quality Difference

Research and Application on Technology of Flood-Storage and Flood-Detention of Coal Mining Subsidence Area of Suzhou Coal Mine

2014 ◽  
Vol 641-642 ◽  
pp. 80-83
Author(s):  
Jia Zhong Zheng ◽  
Mei Zhu ◽  
Zheng Long Wang
Keyword(s):  
Coal Mining ◽  
Dynamic Change ◽  
Storage Conditions ◽  
Flood Routing ◽  
Mining Subsidence ◽  
Subsidence Area ◽  
The Status ◽  
Suzhou City ◽  
Change Trend ◽  
Coal Mining Subsidence

The artical is based on the investigation of the basis of the status quo of Zhuxianzhuang and Luling coal mining subsidence area in Anhui province Suzhou city(hereinafter referred to as the "Zhu Lu subsidence area"), a preliminary analysis of the dynamic change trend of detention space in Zhu Lu subsidence area, and based on the hysteresis storage conditions of subsidence area, use the flood routing model to simulate the hysteresis effect of storage at different subsidence scenarios of different frequency flood. Finally, using the experience type channel evolution model and peak delay routing model further revealed storage effect on flood process of Zhu Lu subsidence area.

scholarly journals A New Method to Monitor the Coal Mining Subsidence by Gravimetry

2015 ◽  
Vol 8 (1) ◽  
pp. 304-308 ◽  
Author(s):  
Jinyun Guo ◽  
Hongjuan Yu ◽  
Yi Shen ◽  
Wang Li ◽  
Bin Guo
Keyword(s):  
Coal Mining ◽  
Mining Subsidence ◽  
New Method ◽  
Coal Mining Subsidence

Chapter 11 Coal mining subsidence in the UK

2020 ◽  
Vol 29 (1) ◽  
pp. 291-309 ◽  
Author(s):  
Laurance Donnelly
Keyword(s):  
Coal Mining ◽  
Longwall Mining ◽  
Ground Surface ◽  
Mining Subsidence ◽  
Ground Movement ◽  
Working Face ◽  
Mine Roadway ◽  
Coal Mining Subsidence ◽  
The Uk

AbstractOne of the geohazards associated with coal mining is subsidence. Coal was originally extracted where it outcropped, then mining became progressively deeper via shallow workings including bell pits, which later developed into room-and-pillar workings. By the middle of the 1900s, coal was mined in larger open pits and underground by longwall mining methods. The mining of coal can often result in the subsidence of the ground surface. Generally, there are two main types of subsidence associated with coal mining. The first is the generation of crown holes caused by the collapse of mine entries and mine roadway intersections and the consolidation of shallow voids. The second is where longwall mining encourages the roof to fail to relieve the strains on the working face and this generates a subsidence trough. The ground movement migrates upwards and outwards from the seam being mined and ultimately causes the subsidence and deformation of the ground surface. Methods are available to predict mining subsidence so that existing or proposed structures and land developments may be safeguarded. Ground investigative methods and geotechnical engineering options are also available for sites that have been or may be adversely affected by coal mining subsidence.

Chapter 17 Mining-induced fault reactivation in the UK

2020 ◽  
Vol 29 (1) ◽  
pp. 425-432 ◽  
Author(s):  
Laurance Donnelly
Keyword(s):  
Coal Mining ◽  
Ground Deformation ◽  
Ground Surface ◽  
Surface Mining ◽  
Fault Reactivation ◽  
Mining Subsidence ◽  
Ground Movements ◽  
Ground Deformations ◽  
Coal Mining Subsidence ◽  
The Uk

AbstractFaults are susceptible to reactivation during coal mining subsidence. The effects may be the generation of a scarp along the ground surface that may or may not be accompanied by associated ground deformation including fissuring or compression. Reactivated faults vary considerably in their occurrence, height, length and geometry. Some reactivated faults may not be recognizable along the ground surface, known only to those who have measured the ground movements or who are familiar with the associated subtle ground deformations. In comparison, other reactivated faults generate scarps up to several metres high and many kilometres long, often accompanied by widespread fissuring of the ground surface. Mining subsidence-induced reactivated faults have caused damage to roads, structures and land. The objective of this chapter is to provide a general overview of the occurrence and characteristics of fault reactivation in the UK.

Distribution, source apportionment and ecological risk assessment of polycyclic aromatic hydrocarbons in the surface sediments of coal mining subsidence waters

RSC Advances ◽  
2016 ◽  
Vol 6 (75) ◽  
pp. 71441-71449 ◽  
Author(s):  
Zhuozhi Ouyang ◽  
Liangmin Gao ◽  
Xiaoqing Chen ◽  
Suping Yao ◽  
Shihui Deng
Keyword(s):  
Risk Assessment ◽  
Coal Mining ◽  
Ecological Risk ◽  
Aromatic Hydrocarbons ◽  
Surface Sediments ◽  
Potential Ecological Risk ◽  
Mining Subsidence ◽  
Pollution Level ◽  
Polycyclic Aromatic ◽  
Coal Mining Subsidence

PAHs with three or four rings dominate in Yangzhuang coal mining subsidence waters of China. The pollution level of PAHs is quite low. Most of them come from combustion or oil sources and are proved to have no potential ecological risk.

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