The technology and it’s application of comprehensive survey for water-bearing condition of fault

The working face 3306 of Jining Ⅱ coal mine is parallel neighborhood to boundary fault named sunshidian,so it is dangerous to production safety.A comprehensive geophysical technology is put forward in this paper that is combination of three electric sounding method,TEM and radio electric penetrating method to survey whether the boundary fault has the dangerous of breaking water or not.The result offered a reliable data for coal mining.