• Engineering
  • Published 2006

Technology analysis on the 870 laneway transfixion engineering in Jinhuagong Coal mine

@inproceedings{Guangxiang2006TechnologyAO,
  title={Technology analysis on the 870 laneway transfixion engineering in Jinhuagong Coal mine},
  author={Xu Guangxiang},
  year={2006}
}
In view of the characteristics that the demand of survey precision is high and the accumulation of survey error is big in the large transfixion engineering,on how to decrease the survey error and improve the transfixion survey precision,in this article the authors discuss the necessity and feasibility of establishing special control net and improving traverse survey precision in the 870 level laneway transfixion in Jinhuagong Coal Mine of Datong Mine Group.According to the data obtained from… CONTINUE READING