岩石指标参考值.docx

用动弹性模量换算静弹性模量Eme jEdKU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岩石名称抗拉强度(公斤／厘米(公斤／厘米2)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50～9020～55平行片理45～80砂岩40～60斜交片理12～28片30～40垂直片理5～6砂质页岩32～35岩页岩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岩体渗透性分级标准渗透性岩体特征等级渗透系数透水率(cm/s)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含张开度0.5-2.5mm裂隙≥1≥100含张开度＞2.5mm裂隙或连通孔洞极强透水岩石质量指标（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2Ku=（Up/Up＇）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/VS VP/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导热系数导温系数比热容（%）(Kg/m3)（W/m·k）(㎡/h)(Kj/kg·K)116.315900.630.001291.11222.919201.260.001581.503粉土26.921301.790.002641.15425.318501.450.001780.59526.019301.610.002221.35626.319901.410.001641.56719.020001.200.001521.42829.820501.660.001711.71930.121101.630.001971.4110粘性土27.021701.550.001831.411129.020201.690.001841.641231.421401.850.002231.401320.020901.190.001361.511422.118001.600.002091.531511.115700.730.001651.02165.513100.640.001761.0017细砂8.014200.650.001960.841816.114600.860.002101.0119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22501.840.003500.842927003.140.004600.913022501.280.002450.8431石灰岩20001.160.002270.923217000.930.002140.9233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)花岗岩石英闪长岩流纹斑玢岩岩安山岩浆岩 玄武岩砂岩砂岩粘土岩页 岩沉 砂质页岩积炭质页岩岩石灰岩硅质灰岩泥质灰岩白云质灰岩岩性动弹性模量(Ed)泊桑比(μ)(104公斤／厘米2)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新鲜平行4.4～23.2新鲜垂直3.48～4.020.25～0.26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新鲜12.3～19.10.28～0.33半风化3.6～9.70.26～0.44新鲜34.0～38.00.25～0.30半风化6.1～7.60.27～0.3全风化2.60.2720.6～44.00.18～0.28新鲜20.6～44.00.18～0.28半风化，全风化1.1～4.50.27～0.36裂隙发育12.5～]9.50.26～0.409.08～36.90.15～0.370.81～71.40.17～0.36裂隙发育，岩体破碎0.51～2.500.24～0.453.2～15.00.38～0.43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新鲜，微风化35.9～64.00.21～0.34半风化15.5～7.80.18～0.38全风化9.30.37变新鲜，微风化22.0～35.40.21～0.25片麻岩片理发育11.5～15.00.33质全风化0.30～0.850.46花岗片麻岩8.0～18.00.30～0.40岩花岗片麻岩风化、结构松散0.60～5.100.23～0.36角闪片麻岩2.0～30.00.20～0.30角闪石英片麻岩34.4～43.40.22～0.24新鲜、微风化84.6～23.80.40云母片麻岩半风化1.48～2。