岩石指标参考值VIP专享VIP免费

用动弹性模量换算静弹性模量KU与j的关系岩体完整系数KU换算系数j1-0.91-0.750.9-0.80.75-0.450.8-0.70.45-0.250.47-0.650.25-0.2〈0.650.2-0.1常见岩石抗拉强度岩石名称抗拉强度(公斤／厘米2)岩石名称抗拉强度(公斤／厘米2)花岗岩20～100致密石灰岩32～50辉绿岩220～320石灰岩5～15玄武岩77大理岩50～90砂岩20～5540～60片岩平行片理45～80斜交片理12～28砂质页岩30～4032～35垂直片理5～6页岩1320～30岩石承载力标准值fk（kPa）岩石强风化中等风化微风化硬质岩石500-10001500-2500≥4000软质岩石200-500700-12001500-2000岩体渗透性分级渗透性等级标准岩体特征渗透系数(cm/s)透水率q（Lu）极微透水0-10-60-0.1含张开度＜0.025mm裂隙的岩体微透水10-6-10-50.1-1含张开度0.025-0.05mm裂隙弱透水10-5-10-41-10含张开度0.05-0.1mm裂隙中等透水10-4-10-210-100含张开度0.1-0.5mm裂隙强透水10-2-1≥100含张开度0.5-2.5mm裂隙极强透水≥1含张开度＞2.5mm裂隙或连通孔洞岩石质量指标（RQD）根据占孔取得的大于10CM的岩芯断块长度LP与岩芯进尺总长度LS之比RQD（%）=LP/LS×100%0—25非常不好25—50不好50—75软好75—90好90—100非常好岩体完整性系数Ku为现场岩体弹性纵波速度与室内风干或烘干岩样（或现场岩块的弹性纵波）速度（m/s）的比值的平方Ku=（Up/Up＇）2完整性好Ku＞0.9较好Ku0.75-0.9中等Ku0.45-0.75较坏Ku0.2-0.45坏Ku＜0.2岩体分类为纵横波速比VP/VSVP/VS=1.732完全弹性介质VP/VS＞2.5破碎岩体2.0＜VP/VS＜2.5中等岩体岩土热物理指标序号岩土名称天然含水量（%）密度(Kg/m3)导热系数（W/m·k）导温系数(㎡/h)比热容(Kj/kg·K)1粉土16.315900.630.001291.11222.919201.260.001581.50326.921301.790.002641.15425.318501.450.001780.59526.019301.610.002221.356粘性土26.319901.410.001641.56719.020001.200.001521.42829.820501.660.001711.71930.121101.630.001971.411027.021701.550.001831.411129.020201.690.001841.641231.421401.850.002231.401320.020901.190.001361.5114细砂22.118001.600.002091.531511.115700.730.001651.02165.513100.640.001761.00178.014200.650.001960.841816.114600.860.002101.0119中砂7.014900.790.002010.9513.815101.060.002550.9920粗砂12.412601.060.002851.0621砾砂8.919501.410.002810.93225.316001.040.002800.8423粗砾砂23.321300.880.002281.392421.922001.750.001881.5225圆砾9.518601.40.003180.882610.518300.940.001980.9327卵石+砂9.818401.620.003580.8928砂岩22501.840.003500.8429石灰岩27003.140.004600.913022501.280.002450.843120001.160.002270.923217000.930.002140.9233大理岩、花岗岩30003.600.005170.843428003.450.004870.9135花岗岩27003.140.004600.9136石灰质凝灰岩13000.520.001570.9237灰质页岩17000.830.001661.02各类岩石的动弹模(Ed)和泊桑比(µ)岩性动弹性模量(Ed)(104公斤／厘米2)泊桑比(µ)岩浆花岗岩新鲜及微风化33.0～65.00.20～0.33半风化7.0～21.80.18～0.33全风化1.0～11.00.35～0.40石英闪长岩新鲜55.0～88.00.28～0.33微风化38.0～64.00.24～0.28半风化4.5～11.00.23～0.33流纹斑新鲜平行4.4～23.2新鲜垂直3.48～4.020.25～0.26玢岩新鲜34.7～39.70.28～0.29半风化3.5～20.00.24～0.40全风化2.40.39安山岩新鲜12.3～19.10.28～0.33半风化3.6～9.70.26～0.44岩玄武岩新鲜34.0～38.00.25～0.30半风化6.1～7.60.27～0.3全风化2.60.27沉积岩砂岩20.6～44.00.18～0.28新鲜20.6～44.00.18～0.28半风化，全风化1.1～4.50.27～0.36砂岩裂隙发育12.5～]9.50.26～0.40粘土岩9.08～36.90.15～0.37页岩0.81～71.40.17～0.36砂质页岩裂隙发育，岩体破碎0.51～2.500.24～0.45炭质页岩3.2～15.00.38～0.43石灰岩新鲜，微风化25.8～54.80.20～0.39半风化9.0～28.00.21～0.41全风化1.48～7.200.2l～0.35硅质灰岩新鲜，微风化24.8～64.80.18～0.33半风化3.8～22.80.21～0.38全风化1.0～l.760.31～0.46泥质灰岩新鲜，微风化28.0～52.50.18～0.39半风化13.1～24.80.22～0.37全风化7.20.29白云质灰岩新鲜，微风化35....