Dump Slope Stability Analysis - A Case Study

被引：45
作者：
Behera, Prasanta Kumar [1 ]
Sarkar, Kripamoy [1 ]
Singh, Ashok Kumar [1 ]
Verma, A. K. [2 ]
Singh, T. N. [3 ]
机构：
[1] IIT ISM, Dept Appl Geol, Dhanbad 826004, Bihar, India
[2] IIT ISM, Dept Min Engn, Dhanbad 826004, Bihar, India
[3] Indian Inst Technol, Dept Earth Sci, Bombay 400076, Maharashtra, India
来源：
JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA | 2016年 / 88卷 / 06期
关键词：
Dump stability; Talcher coalfield; Limit equilibrium methods; Odisha; COAL-MINE; TURKEY; INDIA; SPOIL;
D O I：
10.1007/s12594-016-0540-4
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
In opencast mining operation, the stability of waste materials stands at high priority from the safety and economic perspective. Poor management of overburden (OB) dump results the instability of slope in an opencast mine. The present paper deals with the stability analysis of dump material of an opencast coal mine at Talcher coal field, Angul district, Odisha, by means of different geotechnical parameters and mineralogical composition affecting the dump slope. The prolonged rainfall in the mining area causes dump failure and loss of valuable life and property. A recent dump failure that occurred in 2013 at Basundhara mines of Mahanadi Coalfields Limited (MCL), Odisha, took 14 lives, and created problems for the mining industry. Most of the dump failure that occurs in the study area are mainly due to increase in pore water pressure as a result of rainfall infiltration. The stability of the waste dump was investigated using the limit equilibrium analysis to suggest an economical, sustainable and safe disposal of the dump in the study area.
引用
收藏
页码：725 / 735
页数：11
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