用点式类条形药包和大空腔比硐式爆破法开挖高速公路

Chamber Blastlng with Similar Strip-shaped Charge and Big Cavity Ratio in Laima Expresswey Construction

文章介绍了山东莱麻高速公路开挖中，针对工程要求及地质地形特点，如何选择应用点式类条形药包大空腔比多种形式的用室爆破施工方法．

According to the requirements of the project and geological and topographical characteristics, chamber blasting with similar strip-shaped and big cavity ratio is used in Laima express way construction.