摘要
借鉴我国软岩支护技术经验，对曹庄煤矿－２８０ｍ水平巷道进行了支护改革试验，改进支护结构形式和施工工艺，提高支护体的结构强度。
Abstract A problem of supporting an unstable roadway in weak silt has been solved by improving support structure,optimizing roadway heading technique,and increasing the structural strength of the supports.
出处
《煤矿开采》
1998年第4期11-13,共3页
Coal Mining Technology
