扁铲侧胀试验成果报告

1、青海省政协老干部昆明疗养小区扁铲侧胀试验报告青岛2011年09月30日整理供同行交流学习检测日期：2011年6月2011年7月目 录1. 前言- 1 -2. 工程概况- 1 -3. 工程地质及试验目的- 1 -3.1 工程地质- 1 -3.2 试验目的- 1 -4. 工作概况- 1 -5. 检测结果的计算- 2 -6. 检测结果的统计与分析- 9 -7. 结论及建议- 24 -8. 附图- 25 -1. 前言我院于2011年7月5日完成了扁铲侧胀试验的野外测试工作。本次测试执行：（1）建筑地基基础设计规范（GB50007-2002）；（2）岩土工程勘察规范（GB50021-2001）（2009

2、年版）；（3）工程地质手册（第四版）；同时，试验严格遵循我院颁布的有关质量体系作业文件。2. 工程概况略。3. 工程地质及试验目的3.1 工程地质详见地质勘察报告。3.2 试验目的场地内岩土种类多，地基土不均匀，成因较多，依据常规的钻探、取样、室内试验手段来取得准确岩土物理力学性质指标参数存在着一定的困难，因此，为使获得的岩土物理力学性质指标参数更加准确，要求勘探中更加注重原位测试技术。在本工程勘察中，采用扁铲侧胀试验试验，确定各岩土物理力学性质指标参数，为工程设计提供依据。4. 工作概况本次扁铲侧胀试验共在6个钻孔中进行，每0.5米测试一次，在ZK69号孔进行37点试验，试验深度2.023米

3、；在ZK108号孔进行35点试验，试验深度3.026米；在ZK116号孔进行35点试验，试验深度3.025米；在ZK140号孔进行32点试验，试验深度4.526米；在ZK147号孔进行35点试验，试验深度3.027米；在ZK157号孔进行30点试验，试验深度5.526米。5. 检测结果的计算本次扁铲侧胀试验布置测孔数6个，数据的分析与判定依据岩土工程勘察规范（GB50021-2001）（2009年版）及工程地质手册（第四版）进行。各试验点具体检测结果见表5.1-15.1-6。表5.1-1 扁铲侧胀试验成果表1工程名称试验日期2011.7.5孔口高程（m）1890.75水位深度（m）2.20工程

4、地点永中路与广福路交叉口试验前试验后采用值贯入设备静探车孔号ZK69A6.86.86.8扁铲头编号1008B44.053.448.7土层编号土层名称试验深度(m)A(kPa)B(kPa)C(kPa)初始压力P0(kPa)测涨压力P1(kPa)P= P1-P0(kPa)回复压力P2(kPa)静水压力u0(kPa)上覆压力vo(kPa)材料指数ID孔隙水压力指数UD水平应力指数KD静止侧压系数k0不排水抗剪强度cu(kPa)侧胀模量ED(MPa)压缩模量ES（MPa）侧向基床反力系数KH(kPa/m)-1素填土276476565.58427.30361.7311.8035.005.520.181.

5、870.48317.0712.5513.12-1素填土2.52244735221.13424.30203.1811.8338.750.930.045.630.8665.977.057.37-1素填土32564984253.48449.30195.8210.8842.500.800.015.780.8862.076.807.10-1素填土3.53988125386.88763.30376.4211.81346.251.010.008.081.0597.7213.0613.65-1素填土43547405344.28691.30347.0211.81850.001.06-0.026.530.9491

6、.0512.0412.59粉质黏土4.52685705262.48521.30258.8311.82354.701.08-0.054.380.7575.898.989.39粉质黏土526446868263.38419.30155.9374.82859.400.660.203.960.7249.475.415.66粉质黏土5.531249699312.38447.30134.93105.83364.100.480.264.360.7545.324.687.72粉质黏土6258345115263.23296.3033.08121.83868.800.150.373.270.6528.021.151

7、.5647250黏土6.538473296376.18683.30307.13102.84373.500.920.184.530.7779.2810.6614.45黏土7404596198403.98547.30143.32204.84877.450.400.444.600.7751.374.978.47黏土7.5460745185455.33696.30240.98191.85381.400.600.344.940.8170.438.3614.87黏土8456770168449.88721.30271.42174.85885.350.690.304.590.7773.629.4216.74黏

8、土8.5428740118421.98691.30269.33124.86389.900.750.173.990.7270.959.3516.61黏土9434683196431.13634.30203.18202.86894.450.560.373.840.7059.617.0510.72黏土9.5468757170463.13708.30245.18176.87399.000.630.273.940.7167.558.5112.93黏土10450698232447.18649.30202.13238.878103.550.550.443.570.6858.777.0110.12黏土10.55

9、46750288545.38701.30155.93294.883108.100.340.464.280.7561.515.418.82黏土11640950323634.08901.30267.23329.888112.650.490.444.850.8083.319.2716.30粉质黏土11.5496758218492.48709.30216.82224.893117.200.540.333.410.6661.777.5210.51粉质黏土12520798274515.68749.30233.63280.898121.750.560.443.430.6665.148.1111.38粉质黏土

10、12.5495713268493.68664.30170.63274.8103126.300.440.443.090.6353.135.927.68-1粉土13394105858370.381009.30638.9264.8108131.552.44-0.161.990.35153.9522.1728.76黏土13.5506678329506.98629.30122.32335.8113136.100.310.572.890.6047.534.245.22黏土14511692324511.53643.30131.77330.8118140.650.330.542.800.5947.084.57

11、5.46黏土14.5520723299519.43674.30154.88305.8123145.200.390.462.730.5849.585.376.28黏土15516672304517.78623.30105.53310.8128149.750.270.472.600.5745.793.664.10黏土15.5534720343534.28671.30137.02349.8133154.300.340.542.600.5747.144.755.32黏土16635928358629.93879.30249.38364.8138158.850.510.463.100.6369.788.65

12、11.24黏土16.5595877369590.48828.30237.82375.8143163.400.530.522.740.5964.148.259.68黏土17555770364553.83721.30167.48370.8148167.950.410.552.420.5550.565.816.07黏土17.5642878418639.78829.30189.52424.8153172.500.390.562.820.6060.726.587.91黏土18567768386566.53719.30152.77392.8158177.050.370.572.310.5348.015.3

13、05.29泥炭质土18.5605836371603.03787.30184.27377.8163179.450.420.492.450.5555.066.396.77泥炭质土19610858403607.18809.30202.13409.8168181.850.460.552.420.5557.267.017.32泥炭质土19.5618818429617.58769.30151.73435.8173184.250.340.592.410.5551.255.265.49粉质黏土20654976354647.48927.30279.83360.8178188.800.600.392.490.56

14、69.299.7110.42表5.1-2 扁铲侧胀试验成果表2工程名称试验日期2011.6.29孔口高程（m）1890.04水位深度（m）1.80工程地点永中路与广福路交叉口试验前试验后采用值贯入设备静探车孔号ZK108A8.07.07.5扁铲头编号1008B51.050.050.5土层编号土层名称试验深度(m)A(kPa)B(kPa)C(kPa)初始压力P0(kPa)测涨压力P1(kPa)P= P1-P0(kPa)回复压力P2(kPa)静水压力u0(kPa)上覆压力vo(kPa)材料指数ID孔隙水压力指数UD水平应力指数KD静止侧压系数k0不排水抗剪强度cu(kPa)侧胀模量ED(MPa)压

15、缩模量ES（MPa）侧向基床反力系数KH(kPa/m)-1素填土31716741156.25623.5467.258.51240.503.24-0.023.560.68191.6816.2126.00-1素填土3.52343231239.95272.532.558.51744.250.15-0.045.040.8130.901.132.0346500粉质黏土427834357285.15292.57.3564.52248.950.030.165.380.8437.060.260.4810500粉质黏土4.525733896263.35287.524.15103.52753.650.100.32

16、4.410.7631.670.841.3934500粉质黏土527843452280.60383.5102.9059.53258.350.410.114.260.7436.873.575.80粉质黏土5.530054576298.15494.5196.3583.53763.050.750.184.140.7358.576.8111.08黏土6356561123356.15510.5154.35130.54267.000.490.284.690.7851.245.369.23黏土6.5348555119348.05504.5156.45126.54770.950.520.264.240.7450

17、.155.438.80黏土7395626118393.85575.5181.65125.55274.900.530.224.560.7757.106.3010.69黏土7.5436742146431.10691.5260.40153.55779.450.700.264.710.7871.749.0415.33黏土8445616196446.85565.5118.65203.56284.000.310.374.580.7752.084.127.00黏土8.539863073396.80579.5182.7080.56788.550.550.043.720.6954.626.349.43粉质黏土9

18、423578208425.65527.5101.85215.57293.100.290.413.800.7045.673.535.33-1粉土9.55019985486.55947.5460.9512.57798.351.13-0.164.160.41100.6515.9924.12-1粉土10503143851466.651387.5920.8558.582103.602.39-0.063.710.41172.0331.9548.18粉质黏土10.5416506232421.90455.533.60239.587108.150.100.463.100.6341.091.171.5148000

19、粉质黏土11383504232387.35453.566.15239.592112.700.220.502.620.5734.762.302.5994500-1有机质黏土11.5402564245404.30513.5109.20252.597115.100.360.512.670.5836.663.794.34-1有机质黏土12485634287487.95583.595.55294.5102117.500.250.503.280.6548.063.324.51-1有机质黏土12.5442564283446.30513.567.20290.5107119.900.200.542.830.60

20、40.712.332.8196000-1有机质黏土13473567254478.70516.537.80261.5112122.300.100.413.000.6244.631.311.6654000-1有机质黏土13.5468632285470.20581.5111.30292.5117124.700.320.502.830.6042.383.864.66黏土14453642146453.95591.5137.55153.5122127.100.410.092.610.5742.904.775.36黏土14.5530696321532.10645.5113.40328.5127131.650

21、.280.503.080.6249.633.935.08黏土15580765376581.15714.5133.35383.5132136.200.300.563.300.6555.994.636.31黏土15.5518643354522.15592.570.35361.5137140.750.180.582.740.5945.822.442.86黏土16594795389594.35744.5150.15396.5142145.300.330.563.110.6355.585.216.79黏土16.5514685336515.85634.5118.65343.5147149.850.320.

22、532.460.5542.744.124.38黏土17572776365572.20725.5153.30372.5152154.400.360.522.720.5850.815.326.20黏土17.5615934343609.45883.5274.05350.5157158.950.610.432.850.6069.709.5111.09泥炭质土18576782387576.10731.5155.40394.5162161.350.380.562.570.5750.005.395.96泥炭质土18.5594772389595.50721.5126.00396.5167163.750.290

23、.542.620.5750.414.374.92黏土19615813387615.50762.5147.00394.5172168.300.330.502.640.5752.275.105.78黏土19.5673934389670.35883.5213.15396.5177172.850.430.442.850.6064.247.408.99黏土20683926412681.25875.5194.25419.5182177.400.390.482.810.5962.166.748.09表5.1-3 扁铲侧胀试验成果表3工程名称试验日期2011.6.29孔口高程（m）1891.81水位深度（m）

24、3.30工程地点永中路与广福路交叉口试验前试验后采用值贯入设备静探车孔号ZK116A8.08.08.0扁铲头编号1008B50.051.050.5土层编号土层名称试验深度(m)A(kPa)B(kPa)C(kPa)初始压力P0(kPa)测涨压力P1(kPa)P= P1-P0(kPa)回复压力P2(kPa)静水压力u0(kPa)上覆压力vo(kPa)材料指数ID孔隙水压力指数UD水平应力指数KD静止侧压系数k0不排水抗剪强度cu(kPa)侧胀模量ED(MPa)压缩模量ES（MPa）侧向基床反力系数KH(kPa/m)-1素填土368138175.42587.512.0759052.500.160.1

25、21.440.417.640.420.3617250-1素填土3.525349625251.775445.5193.72533256.250.780.124.440.7659.076.725.71粉质黏土433459642331.825545.5213.67550760.000.660.135.410.8564.307.416.30粉质黏土4.53346345329.925583.5253.575131263.750.800.004.990.8170.808.807.48粉质黏土53345785332.725527.5194.775131767.500.62-0.014.680.7858.96

26、6.765.74粉质黏土5.538564665382.875595.5212.625732272.200.590.145.000.8164.267.3813.20黏土6423705128419.825654.5234.6751362776.150.600.285.160.8269.618.1414.83黏土6.5398602165398.725551.5152.7751733280.100.420.384.580.7753.625.309.01黏土7476837145468.875786.5317.6251533784.050.740.275.140.8283.2711.0218.73黏土7.

27、5454752138450.025701.5251.4751464288.000.620.254.640.7871.368.7314.83黏土8568963222559.175912.5353.3252304792.550.690.365.530.8693.0612.2620.83黏土8.5468689218467.875638.5170.6252265297.100.410.424.280.7558.965.929.66黏土9563998235552.175947.5395.32524357101.650.800.384.870.8094.9513.7222.37粉质黏土9.54988562

28、74491.025805.5314.47528262106.200.730.514.040.7279.2410.9117.80粉质黏土10444638245445.225587.5142.27525367110.750.380.493.420.6649.134.946.91-1粉土10.5510105850493.5251007.5513.9755872116.001.22-0.033.630.41105.9917.8324.95-1粉土116341068186623.2251017.5394.27519477121.250.720.214.500.4295.9213.6819.14黏土11.

29、5456658258456.825607.5150.67526682125.800.400.492.980.6148.675.236.58黏土12497723242496.625672.5175.87525087130.350.430.403.140.6355.216.108.02黏土12.5578801287577.775750.5172.72529592134.900.360.423.600.6862.235.998.71黏土13478606301482.525555.572.97530997139.450.190.552.760.5945.982.532.99黏土13.544761326

30、8449.625562.5112.875276102144.000.320.502.410.5540.083.924.09黏土14480656269482.125605.5123.375277107148.550.330.452.530.5643.744.284.66黏土14.5513698334514.675647.5132.825342112153.100.330.572.630.5747.434.615.21黏土15545834308541.475783.5242.025316117157.650.570.472.690.5863.518.409.70泥炭质土15.55237053325

31、24.825654.5129.675340122160.050.320.542.520.5646.934.504.89泥炭质土16546752358546.625701.5154.875366127162.450.370.572.580.5750.355.375.98泥炭质土16.5516704326517.525653.5135.975334132164.850.350.522.340.5444.264.724.77黏土17563800323562.075749.5187.425331137169.400.440.462.510.5654.946.507.04黏土17.55667763535

32、66.425725.5159.075361142173.950.370.522.440.5550.555.525.82黏土18555748358556.275697.5141.225366147178.500.350.542.290.5346.594.904.85黏土18.5521785272518.725734.5215.775280152183.050.590.352.000.4954.667.496.38黏土19634916368630.825865.5234.675376157187.600.500.462.530.5663.978.148.87黏土19.5683958408680.1

33、75907.5227.325416162192.150.440.492.700.5866.747.899.12黏土207781863118734.6751812.51077.825126167196.701.90-0.072.890.60161.3637.4043.26表5.1-4 扁铲侧胀试验成果表4工程名称试验日期2011.6.29孔口高程（m）1892.20水位深度（m）3.90工程地点永中路与广福路交叉口试验前试验后采用值贯入设备静探车孔号ZK140A8.28.08.1扁铲头编号1008B52.051.051.5土层编号土层名称试验深度(m)A(kPa)B(kPa)C(kPa)初始压力

34、P0(kPa)测涨压力P1(kPa)P= P1-P0(kPa)回复压力P2(kPa)静水压力u0(kPa)上覆压力vo(kPa)材料指数ID孔隙水压力指数UD水平应力指数KD静止侧压系数k0不排水抗剪强度cu(kPa)侧胀模量ED(MPa)压缩模量ES（MPa）侧向基床反力系数KH(kPa/m)粉质黏土4.52395262235.73474.5238.7710.1672.751.040.023.160.6369.698.297.04粉质黏土55129182502.78866.5363.7210.11176.500.740.006.430.9395.8112.6210.73粉质黏土5.54067

35、532399.73701.5301.7710.11680.250.79-0.024.780.7978.6710.478.90粉质黏土641657328419.23521.5102.2736.12184.950.260.044.690.7854.203.556.12粉质黏土6.543859235441.38540.599.1243.12689.650.240.044.630.7856.373.445.89黏土7456519130463.93467.53.57138.13193.600.010.254.630.7858.730.120.215100黏土7.5483592132488.63540.5

36、51.87140.13697.550.110.234.640.7861.451.803.0874100黏土8456682143455.78630.5174.72151.141101.500.420.274.090.7358.826.069.60黏土8.5452701142450.63649.5198.87150.146105.450.490.263.840.7060.876.9010.48黏土9508102868493.08976.5483.4276.151109.401.090.064.040.72102.5916.7725.47黏土9.5436573178440.23521.581.271

37、86.156113.950.210.343.370.6648.162.823.91黏土10433626196434.43574.5140.07204.161118.500.380.383.150.6347.534.866.40黏土10.5468728170466.08676.5210.42178.166123.050.530.283.250.6460.257.309.85粉质黏土11470589232475.13537.562.37240.171127.600.150.423.170.6349.872.162.8689100粉质黏土11.5440134754405.731295.5889.77

38、62.176132.152.70-0.042.500.56179.2430.8840.80粉质黏土12436576278440.08524.584.42286.181136.700.240.572.630.5742.292.933.31粉质黏土12.5453643196454.58591.5136.92204.186141.250.370.322.610.5744.624.755.34粉质黏土13457628222459.53576.5116.97230.191145.800.320.382.530.5642.984.064.43粉质黏土13.5463613275466.58561.594.9

39、2283.196150.350.260.502.460.5542.953.293.51粉质黏土14482683265483.03631.5148.47273.1101154.900.390.452.470.5546.605.155.49粉质黏土14.5484656273486.48604.5118.02281.1106159.450.310.462.390.5443.744.104.22粉质黏土15483612282487.63560.572.87290.1111164.000.190.482.300.5342.892.532.51-2粉土15.5438678148437.08626.5189.42156.1116169.250.590.121.900.3549.256.575.59黏土16536823264532.73771.5238.77272.1121173.800.580.372.370.5461.048.298.48泥炭质土16.5523683343526.08631.5105.42351.1126176.200.260.562.270.5345.433.663.59泥炭质土17576754398578.18702.5124.32406.1131178.600.280.622.500.5652.034.314.6