扁鏟側(cè)脹試驗成果報告

1、青海省政協(xié)老干部昆明療養(yǎng)小區(qū)扁鏟側(cè)脹試驗報告青島2011年09月30日整理供同行交流學(xué)習(xí)檢測日期：2011年6月2011年7月目 錄1. 前言- 1 -2. 工程概況- 1 -3. 工程地質(zhì)及試驗?zāi)康? 1 -3.1 工程地質(zhì)- 1 -3.2 試驗?zāi)康? 1 -4. 工作概況- 1 -5. 檢測結(jié)果的計算- 2 -6. 檢測結(jié)果的統(tǒng)計與分析- 9 -7. 結(jié)論及建議- 24 -8. 附圖- 25 -1. 前言我院于2011年7月5日完成了扁鏟側(cè)脹試驗的野外測試工作。本次測試執(zhí)行：（1）建筑地基基礎(chǔ)設(shè)計規(guī)范（GB50007-2002）；（2）巖土工程勘察規(guī)范（GB50021-2001）（2009

2、年版）；（3）工程地質(zhì)手冊（第四版）；同時，試驗嚴(yán)格遵循我院頒布的有關(guān)質(zhì)量體系作業(yè)文件。2. 工程概況略。3. 工程地質(zhì)及試驗?zāi)康?.1 工程地質(zhì)詳見地質(zhì)勘察報告。3.2 試驗?zāi)康膱龅貎?nèi)巖土種類多，地基土不均勻，成因較多，依據(jù)常規(guī)的鉆探、取樣、室內(nèi)試驗手段來取得準(zhǔn)確巖土物理力學(xué)性質(zhì)指標(biāo)參數(shù)存在著一定的困難，因此，為使獲得的巖土物理力學(xué)性質(zhì)指標(biāo)參數(shù)更加準(zhǔn)確，要求勘探中更加注重原位測試技術(shù)。在本工程勘察中，采用扁鏟側(cè)脹試驗試驗，確定各巖土物理力學(xué)性質(zhì)指標(biāo)參數(shù)，為工程設(shè)計提供依據(jù)。4. 工作概況本次扁鏟側(cè)脹試驗共在6個鉆孔中進(jìn)行，每0.5米測試一次，在ZK69號孔進(jìn)行37點(diǎn)試驗，試驗深度2.023米

3、；在ZK108號孔進(jìn)行35點(diǎn)試驗，試驗深度3.026米；在ZK116號孔進(jìn)行35點(diǎn)試驗，試驗深度3.025米；在ZK140號孔進(jìn)行32點(diǎn)試驗，試驗深度4.526米；在ZK147號孔進(jìn)行35點(diǎn)試驗，試驗深度3.027米；在ZK157號孔進(jìn)行30點(diǎn)試驗，試驗深度5.526米。5. 檢測結(jié)果的計算本次扁鏟側(cè)脹試驗布置測孔數(shù)6個，數(shù)據(jù)的分析與判定依據(jù)巖土工程勘察規(guī)范（GB50021-2001）（2009年版）及工程地質(zhì)手冊（第四版）進(jìn)行。各試驗點(diǎn)具體檢測結(jié)果見表5.1-15.1-6。表5.1-1 扁鏟側(cè)脹試驗成果表1工程名稱試驗日期2011.7.5孔口高程（m）1890.75水位深度（m）2.20工程

4、地點(diǎn)永中路與廣福路交叉口試驗前試驗后采用值貫入設(shè)備靜探車孔號ZK69A6.86.86.8扁鏟頭編號1008B44.053.448.7土層編號土層名稱試驗深度(m)A(kPa)B(kPa)C(kPa)初始壓力P0(kPa)測漲壓力P1(kPa)P= P1-P0(kPa)回復(fù)壓力P2(kPa)靜水壓力u0(kPa)上覆壓力vo(kPa)材料指數(shù)ID孔隙水壓力指數(shù)UD水平應(yīng)力指數(shù)KD靜止側(cè)壓系數(shù)k0不排水抗剪強(qiáng)度cu(kPa)側(cè)脹模量ED(MPa)壓縮模量ES（MPa）側(cè)向基床反力系數(shù)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粉質(zhì)黏土4.52685705262.48521.30258.8311.82354.701.08-0.054.380.7575.898.989.39粉質(zhì)黏土526446868263.38419.30155.9374.82859.400.660.203.960.7249.475.415.66粉質(zhì)黏土5.531249699312.38447.30134.93105.83364.100.480.264.360.7545.324.687.72粉質(zhì)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粉質(zhì)黏土11.5496758218492.48709.30216.82224.893117.200.540.333.410.6661.777.5210.51粉質(zhì)黏土12520798274515.68749.30233.63280.898121.750.560.443.430.6665.148.1111.38粉質(zhì)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泥炭質(zhì)土18.5605836371603.03787.30184.27377.8163179.450.420.492.450.5555.066.396.77泥炭質(zhì)土19610858403607.18809.30202.13409.8168181.850.460.552.420.5557.267.017.32泥炭質(zhì)土19.5618818429617.58769.30151.73435.8173184.250.340.592.410.5551.255.265.49粉質(zhì)黏土20654976354647.48927.30279.83360.8178188.800.600.392.490.56

14、69.299.7110.42表5.1-2 扁鏟側(cè)脹試驗成果表2工程名稱試驗日期2011.6.29孔口高程（m）1890.04水位深度（m）1.80工程地點(diǎn)永中路與廣福路交叉口試驗前試驗后采用值貫入設(shè)備靜探車孔號ZK108A8.07.07.5扁鏟頭編號1008B51.050.050.5土層編號土層名稱試驗深度(m)A(kPa)B(kPa)C(kPa)初始壓力P0(kPa)測漲壓力P1(kPa)P= P1-P0(kPa)回復(fù)壓力P2(kPa)靜水壓力u0(kPa)上覆壓力vo(kPa)材料指數(shù)ID孔隙水壓力指數(shù)UD水平應(yīng)力指數(shù)KD靜止側(cè)壓系數(shù)k0不排水抗剪強(qiáng)度cu(kPa)側(cè)脹模量ED(MPa)壓

15、縮模量ES（MPa）側(cè)向基床反力系數(shù)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粉質(zhì)黏土427834357285.15292.57.3564.52248.950.030.165.380.8437.060.260.4810500粉質(zhì)黏土4.525733896263.35287.524.15103.52753.650.100.32

16、4.410.7631.670.841.3934500粉質(zhì)黏土527843452280.60383.5102.9059.53258.350.410.114.260.7436.873.575.80粉質(zhì)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粉質(zhì)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粉質(zhì)黏土10.5416506232421.90455.533.60239.587108.150.100.463.100.6341.091.171.5148000

19、粉質(zhì)黏土11383504232387.35453.566.15239.592112.700.220.502.620.5734.762.302.5994500-1有機(jī)質(zhì)黏土11.5402564245404.30513.5109.20252.597115.100.360.512.670.5836.663.794.34-1有機(jī)質(zhì)黏土12485634287487.95583.595.55294.5102117.500.250.503.280.6548.063.324.51-1有機(jī)質(zhì)黏土12.5442564283446.30513.567.20290.5107119.900.200.542.830.60

20、40.712.332.8196000-1有機(jī)質(zhì)黏土13473567254478.70516.537.80261.5112122.300.100.413.000.6244.631.311.6654000-1有機(jī)質(zhì)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泥炭質(zhì)土18576782387576.10731.5155.40394.5162161.350.380.562.570.5750.005.395.96泥炭質(zhì)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 扁鏟側(cè)脹試驗成果表3工程名稱試驗日期2011.6.29孔口高程（m）1891.81水位深度（m）

24、3.30工程地點(diǎn)永中路與廣福路交叉口試驗前試驗后采用值貫入設(shè)備靜探車孔號ZK116A8.08.08.0扁鏟頭編號1008B50.051.050.5土層編號土層名稱試驗深度(m)A(kPa)B(kPa)C(kPa)初始壓力P0(kPa)測漲壓力P1(kPa)P= P1-P0(kPa)回復(fù)壓力P2(kPa)靜水壓力u0(kPa)上覆壓力vo(kPa)材料指數(shù)ID孔隙水壓力指數(shù)UD水平應(yīng)力指數(shù)KD靜止側(cè)壓系數(shù)k0不排水抗剪強(qiáng)度cu(kPa)側(cè)脹模量ED(MPa)壓縮模量ES（MPa）側(cè)向基床反力系數(shù)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粉質(zhì)黏土433459642331.825545.5213.67550760.000.660.135.410.8564.307.416.30粉質(zhì)黏土4.53346345329.925583.5253.575131263.750.800.004.990.8170.808.807.48粉質(zhì)黏土53345785332.725527.5194.775131767.500.62-0.014.680.7858.96

26、6.765.74粉質(zhì)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粉質(zhì)黏土9.54988562

28、74491.025805.5314.47528262106.200.730.514.040.7279.2410.9117.80粉質(zhì)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泥炭質(zhì)土15.55237053325

31、24.825654.5129.675340122160.050.320.542.520.5646.934.504.89泥炭質(zhì)土16546752358546.625701.5154.875366127162.450.370.572.580.5750.355.375.98泥炭質(zhì)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 扁鏟側(cè)脹試驗成果表4工程名稱試驗日期2011.6.29孔口高程（m）1892.20水位深度（m）3.90工程地點(diǎn)永中路與廣福路交叉口試驗前試驗后采用值貫入設(shè)備靜探車孔號ZK140A8.28.08.1扁鏟頭編號1008B52.051.051.5土層編號土層名稱試驗深度(m)A(kPa)B(kPa)C(kPa)初始壓力

34、P0(kPa)測漲壓力P1(kPa)P= P1-P0(kPa)回復(fù)壓力P2(kPa)靜水壓力u0(kPa)上覆壓力vo(kPa)材料指數(shù)ID孔隙水壓力指數(shù)UD水平應(yīng)力指數(shù)KD靜止側(cè)壓系數(shù)k0不排水抗剪強(qiáng)度cu(kPa)側(cè)脹模量ED(MPa)壓縮模量ES（MPa）側(cè)向基床反力系數(shù)KH(kPa/m)粉質(zhì)黏土4.52395262235.73474.5238.7710.1672.751.040.023.160.6369.698.297.04粉質(zhì)黏土55129182502.78866.5363.7210.11176.500.740.006.430.9395.8112.6210.73粉質(zhì)黏土5.54067

35、532399.73701.5301.7710.11680.250.79-0.024.780.7978.6710.478.90粉質(zhì)黏土641657328419.23521.5102.2736.12184.950.260.044.690.7854.203.556.12粉質(zhì)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粉質(zhì)黏土11470589232475.13537.562.37240.171127.600.150.423.170.6349.872.162.8689100粉質(zhì)黏土11.5440134754405.731295.5889.77

38、62.176132.152.70-0.042.500.56179.2430.8840.80粉質(zhì)黏土12436576278440.08524.584.42286.181136.700.240.572.630.5742.292.933.31粉質(zhì)黏土12.5453643196454.58591.5136.92204.186141.250.370.322.610.5744.624.755.34粉質(zhì)黏土13457628222459.53576.5116.97230.191145.800.320.382.530.5642.984.064.43粉質(zhì)黏土13.5463613275466.58561.594.9

39、2283.196150.350.260.502.460.5542.953.293.51粉質(zhì)黏土14482683265483.03631.5148.47273.1101154.900.390.452.470.5546.605.155.49粉質(zhì)黏土14.5484656273486.48604.5118.02281.1106159.450.310.462.390.5443.744.104.22粉質(zhì)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泥炭質(zhì)土16.5523683343526.08631.5105.42351.1126176.200.260.562.270.5345.433.663.59泥炭質(zhì)土17576754398578.18702.5124.32406.1131178.600.280.622.500.5652.034.314.6