岩土地物理力学性质全参数

1、岩土的物理力学性质指标岩土的物理力学性质指标应根据工程地质划分的扇形区及各区的边坡变形破坏特点，选取与之有关的试样进行力学试验，测定岩石及软弱夹层物理力学性质指标。岩石及软弱夹层的物理性质指标详见表1至表7。表5抗剪（断）试验成果表岩性试验方法峰值屈服值残余值HMPa)墻甲讥MPa)(MPa)干枚岩宀抗剪断常抗剪+1110.62(L25|0650.320.460.23打大理0.360,200.330,04岩互层单点抗剪0.丸0.120.310,07抗剪断常一抗剪规0.640.33().62).4尽).500.39干枚岩0.46(L250270.13单点抗朋0.560.IS0.340.()6蛊彳

2、土石樹珅力学性质空内试验成来蛊性力学舶标卡性MILIE®客！6碳水車題|;质开型孔下抗压咆和抗电和轨¥If.v陳申强度:卡强哎&比口1kWns*用1IFifft)冃%*畑Mi%比1'II1和1«152.7225.52.S56.5033.97-£0也M0.HD0.4A0.29T'tt#强风化2.7725,U2.392.556.5936.712.2Q.33L.10<146G.24丸理岂強凤化2.M25.31.21.S93.盯S3.5ft：l.20.733.104.fflD.0K表1部分岩石的容重岩石名称容重（g/cm3）岩石名称

3、容重Y（g/cm3）变化范围平均值变化范围平均值花岗岩2.25一2.802.65泥质砂岩一2.28响岩一一粘土质砂岩一2.52正长岩2.50一3.002.79页岩2.3一2.62.50流纹岩一一砂质页岩2.08一2.652.36流纹斑岩2.49一2.632.60粘土质页岩2.51一2.722.65闪长岩2.72一2.992.86泥质页岩一2.64黑云母花岗闪长岩一2.60煤质页岩一2.63辉长岩2.553.093.00粘土岩2.242.602.50橄榄岩一一砂质粘土岩一2.56石英斑岩2.56一2.632.60泥灰岩2.322.652.50斑岩2.60一2.892.67石灰岩2.682.842

4、.73粗面岩2.30一2.772.58贝壳灰岩一一安山岩2.443.102.62硅质灰岩2.812.90一玢岩一一白云质灰岩一2.80蛇纹岩2.50一2.802.65泥质灰岩一2.30玄武岩2.60一3.212.90盐岩2.282.412.60辉绿岩2.533.122.94白垩1.202.201.70硅长斑岩2.20一2.74一石膏一一安山凝灰集块岩一2.62花岗片麻岩2.303.202.8凝灰角砾岩2.202.90一片麻岩2.593.002.78火山凝灰岩1.601.951.80白云岩2.102.902.55凝灰岩0.752.401.80板岩2.602.902.75凝灰质熔岩一2.64大理岩

5、2.692.872.78砾岩1.902.802.35云母片岩2.542.972.73砂岩2.452.722.60绿泥石片岩2.772.782.77粗砂岩一2.57粘土质片岩一一中砂岩一2.60角闪石片岩2.673.052.90细砂岩一2.65石英岩2.302.702.50粉砂岩一2.59千枚岩2.712.862.78石英砂岩2.612.702.65表2部分岩石的孔隙率与吸水率岩石名称孔隙率n(%)吸水率e1(%)变化范围平均值花岗岩0.042.800.950.101.70流纹斑岩1.103.402.000.141.65闪长岩0.253.001.250.181.00正长岩一2.540.48安山岩

6、0.291.130.70一玄武岩1.104.302.300.201.00大全辉绿岩1.00一2.201.700.30-一0.80霏细岩0.29-一5.102.200.20-一1.00凝灰岩1.59-一2.231.800.18-一0.35火山角砾岩0.90-一7.543.200.34-一2.12安山凝灰集块岩0.40-一4.102.100.14-一4.00砾岩2.00-一5.103.200.40-一1.00砂岩1.04-一9.305.040.14-一4.10砂岩（第三纪）5.00-20.0013.001.00-一9.00砂岩（白垩纪）2.20-42.0015.30一砂岩（侏罗纪）7.20-37.

7、7017.10一砂岩（三迭纪）4.20-24.6013.20一砂岩新鲜的0.60-27.7019.30一风化的一21.11一石英砂岩一2.26一石英砂岩新鲜的一1.71一风化一4.91一的0.70-一7.00一2.30-一6.00页岩0.80-一4.15一一砂质页岩一1.35一泥质页岩一1.03一煤质页岩1.00-52.0018.001.00-一5.00泥灰岩0.53-27.0012.000.20-一6.40石石一20.00一石灰岩（第三纪）标准文案石灰岩（中生代）1.20一26.5011.65一石灰岩（古生代）0.80一27.0012.00一白垩5.00一58.0026.40一石膏0.10一

8、4.001.70一硬石膏0.63一6.261.65一片麻岩0.30一2.401.350.14一0.30大理岩0.10一6.001.00一白云岩0.30一25.007.70一石英岩0.00一8.702.400.02一0.28石英片岩1.53一2.802.000.10一0.30角闪石片岩一2.960.11云母片岩一0.790.08一0.42绿泥石片岩一2.100.55一1.12千枚岩一3.600.54一3.31板岩0.29一3.761.300.70表3不同成因粘土的有关物理力学性质指标（一）土类孔隙比e液性指数I含水量w（%）液限w（%）塑性指数I下蜀系粘性土0.6一0.9<0.815252

9、540p1018一般粘性土0.55一1.001.015302545520新近沉积粘性土0.7一1.20.25一1.224363045648淤泥或游泥质土沿海1.0一2.0>1.036_7030_6510_25内陆山区云贵红粘土1.0一1.900.430505090>17土类容许承载力R（X105Pa）压缩模量E（X105Pa）内聚力C（X105Pa）内摩擦角炉（°）下蜀系粘性土30>80>1500.4一1.022一30一般粘性土10>4540一1500.1一0.515一22新近沉积粘性土8>1420一750.1一0.2715淤泥或游泥质土沿海4&g

10、t;1010一500.05一0.154_10内陆5>1120一50山区3>810一60云贵红粘土10>3250一1600.3一0.8510表5几种土的渗透系数表土类渗透系数K(以cm/s)土类渗透系数K(以cm/s)粘土vl.2x10-6细砂1.2x10-36.0x10-3亚粘土1.2x106.0x10-5中砂6.0x10-32.4x10-2轻亚粘土60x10-56.0x10-4粗砂2.4x10-26.0x10-2黄土3.0x106.0x10-4砾砂6.0x10-2"1.8x10-1粉砂6.0x101.2x10-3表6土的平均物理、力学性质指标（一）土类孔隙比e天然

11、含水量塑限Wp(%)容重Y(x104N/m3)内聚力C(x10sPa)内摩擦角炉（°）变形模量Eo(x10sPa)标准的计算的W(%)0.4-0.515182.050.02042460粗0.50.619221.950.01040400砂0.60.723251.9000383300.4-0.515182.050.03040460中0.50.619221.950.02038400砂砂0.60.723251.900.01035330土0.4-0.515182.050.06038370细0.50.619221.950.04036280砂0.60.723251.900.020322400.50

12、.615182.050.080.0536140粉0.60.719221.950.060.0334120砂0.70.823251.900.040.0228100表7土的平均物理、力学性质指标（二）大全标准文案土类孔隙比e天然含水量W（%）塑限容重y(X104N/m3)内聚力C（X10sPa）内摩擦角炉（°）变形模量Eo(x10sPa)WP(%)标准的计算的0.40.51.5-182.100.100.0630180轻0.5-0.61.9-22<9.42.000.070.0528140亚0.6-0.72.3-251.950.050.0227110粘0.40.51.5-182.100.

13、120.0725230土0.5-0.61.9-229.512.42.000.080.05241600.6-0.72.3-251.950.060.0323130亚0.40.51.5-182.100.420.25244500.5-0.61.9-2212.5一15.42.000.210.1523210粘0.6-0.72.3-251.950.140.10221500.7-0.82.6-291.900.070.0521120粘土0.5-0.61.9-222.000.500.3522390性0.6-0.72.3-251.950.250.15211800.7-0.82.6-2015.5一18.41.900.

14、100.1020150土粘0.8-0.93.0-341.850.110.0319130土0.9-1.03.5-401.800.080.0518800.6-0.72.3-251.950.680.40203300.7-0.82.6-2918.5一22.41.900.340.25191900.8-0.93.0-341.850.280.20181300.9-1.03.5-401.800.190.101790粘0.7-0.82.6-291.900.820.60182800.8-0.93.0-3422.5一26.41.850.410.3017160土0.9-113.5-401.750.360.251611

15、00.8-0.93.0-3426.5一30.41.850.940.65162400.9-113.5-401.750.470.3515140注：1.平均比重取：砂为2.65；轻亚粘土为2.70；亚粘土为2.71；粘土2.74。2. 粗砂与中砂的Eo值适用于不均系数Cu=3时，当Cu>5时应按表中所列值减少2/3。Cu为中间值时，Eo值按内插法确定。3. 对于地基稳定计算，采用内摩擦角的计算值低于标准值2°。岩石及软弱夹层的力学性质指标见表8至表25。表8岩石力学性质指标的经验数据（一）大全标准文案岩类岩石名称容重Y（g/cm3）抗压强度R（X105Pa）抗拉强度Rt(x10sPa

16、)静弹性模量E（X105Pa）动弹性模量（X105Pa）2.63一2.73750一110021331.45.65.07.0花岗岩2.80一3.10120-0180034515.436.97.19.13.10一3.301800一200051579.19.42.5800100023285.4一7.0正长岩2.7一2.81200180034511.511.47.19.1岩2.8一3.31800250051579.411.4浆2.5一2.91200200034577.19.4闪长岩2.211.4岩2.9一3.320002500057719.411.4斑岩2.81600546.6一7.03.6安山岩2.

17、5一2.71200160034157.18.64.310.6玄武岩2.7一3.31600250045718.611.42.71600180045518.69.1辉绿岩6.9一7.92.92000250057719.411.4流纹岩2.5一3.31200250034712.211.47.111.4花岗片麻岩2.7一2.91800200051577.3一9.49.19.42.5800100022285.07.0片麻岩1.57.02.6一2.81400180040517.89.12.61870255.6石英岩4.514.22.8一3.020003600571029.414.2大理岩2.5一3.370

18、0140020401.03.45.08.2变千枚岩2.5一3.31200140034402.203.47.17.8质板岩凝灰岩2.5一3.31200250034712.211.47.111.4岩火山角砾岩2.5一3.31200250034711.011.47.111.4火山集块岩2.2一2.5400100011283.3一7.0砾岩2.8一2.91200160034451.011.47.18.62.9一3.31600250045718.611.4石英砂岩2.6一2.71680102519300.301.255.06.41.2一1.545一1002_30.0005一0.00230.5一1.0砂岩2.2一3.0470一180014522.78一5.43.7一9.1片状砂岩2.76800一130022_386.15_8碳质砂岩2.2一3.0500一140015_410.6一2.24_7.8碳质页岩2.0一2.6250一80018_562.6一5.52.8一5.4y1i-7黑岩2.71660一130047一912.6一5.55.0一7.5带状页岩1.55一1.656080460.0005一0.00250.7一0.9砂质页岩2.3一2.6600一120043_862.0一3.64.4一7.1云母页岩软页岩1.8一2.0200141.3一3.11.9页岩2.0一2.7