Full-Text Search:
Home|About CNKI|User Service|中文
Add to Favorite Get Latest Update

Optimization of drainage system of extension in threatened mine by water

Lu Fu - qiang; LIU Hong - jun (Fangezhuang Mining Co. of Kailuan Group, Tangshan 063109, China)  
Some problems in the drainage options on the shaft of the extended level (No. 3 level)in the Fangezhuang Coal Mine threatened by water are analysed. Introduced is the thinking,method and effect on the optimization of it,replacing the traditional shaft drainage by inclined shaft drainage, which decreases the investment in the project and improve the water - resistent ability.
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©CNKI All Rights Reserved