Causal Analysis and Handling Measures of Crack at the Outer of Air Shaft in Wanfu Mine
LI Ming
Abstract：In the period of construction of tunneling and blocking at the outer of air shaft in Wanfu mine ,crack appeared at the outer of shaft blow 130 meters to 300 meters. For it ,causal analysis is performed and handing measures are taken.In the follow construction of tunneling and blocking at the outer of air shaft ,good process is made.
Keywords：deep surface soilcrack of shaftwater controlmeasures
Publication Date：2015-10-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 29-30,18 )