爆破各种岩石的单位炸药单耗K值表岩石名称岩石特征ƒ值K'/kg·m-3K/kg·m-3各种土松软坚实0.11~20.3~0.40.4~0.51.0~1.11.1~1.2土夹石密实1~40.4~0.61.2~1.4页岩千枚岩风化破碎完整、风化轻微2~44~60.4~0.50.5~0.61.0~1.21.2~1.3板岩泥灰岩泥质、薄层、层面张开,较破碎较完整、层面闭合泥质胶结,中薄层或风化破碎3~55~84~60.4~0.60.5~0.70.4~0.51.1~1.31.2~1.41.0~1.2砂岩钙质胶结,中厚层,中细粒结构,裂隙不甚发育硅质胶结,以较坚硬的砾石组成,未风化7~89~140.5~0.60.6~0.71.3~1.41.4~1.7砾岩胶结较差,砾石以砂岩或较不坚硬的岩石为主胶结好,以较坚硬的砾石组成,未风化5~89~120.5~0.60.6~0.71.2~1.41.4~1.6白云岩大理岩节理发育,较疏松破碎,裂隙频率不大于4条/m完整,坚实5~89~120.5~0.60.6~0.71.2~1.41.4~1.6石灰岩中厚层,或含泥质的、或缅状、竹叶状结构的及裂隙较发育的后层、完整或含硅质、致密风化严重,节理裂隙很发育,多6~89~154~60.5~0.60.6~0.70.40.61.3~1.41.4~1.71.1~1.3花岗岩风化较轻,节理不甚发育或未风化的伟晶粗晶结构细晶均质结构,未风化,完整致密岩体7~1212~200.6~0.70.7~0.81.3~1.61.6~1.8流纹岩粗面岩蛇纹岩较破碎完整6~89~120.5~0.70.7~0.81.2~1.41.5~1.7片麻岩片理或节理裂隙发育完整坚硬5~86~140.5~0.70.7~0.81.2~1.41.5~1.7正长岩闪长岩较风化,整体性较差未风化,完整致密8~1212~180.5~0.70.7~0.81.3~1.51.6~1.8石英岩风化破碎,裂隙频率5条/m中等坚硬,较完整很坚硬,完整致密5~78~1414~200.5~0.60.6~0.70.7~0.91.1~1.31.4~1.61.7~2.0安山岩玄武岩受节理裂隙切割完整坚硬致密7~1212~200.6~0.70.7~0.91.3~1.51.6~2.0辉长岩辉绿岩橄榄岩受节理裂隙切割很完整,很坚硬致密8~1414~250.6~0.70.8~0.91.4~1.71.8~2.1K'~为松动爆破单位炸药消耗量