2024海上風(fēng)電場(chǎng)工程單樁基礎(chǔ)施工可行性報(bào)告

可行性分析報(bào)告可行性分析報(bào)告XXX海上風(fēng)電場(chǎng)工程（標(biāo)段Ⅱ施工前）單樁基礎(chǔ)XXX海上風(fēng)電場(chǎng)工程（標(biāo)段Ⅱ施工前）單樁基礎(chǔ)XXX海上風(fēng)電場(chǎng)工程（標(biāo)段Ⅱ施工前）單樁基礎(chǔ)分析報(bào)告1樁截面設(shè)計(jì)概況根據(jù)XXX2個(gè)機(jī)位（F11機(jī)位、機(jī)位）單樁做可打性分析。其設(shè)計(jì)截面如下：2地質(zhì)概況F11F17機(jī)位的鉆孔柱狀圖（包含標(biāo)準(zhǔn)貫入試驗(yàn)數(shù)據(jù)）。機(jī)位樁長(zhǎng)（m）樁頂標(biāo)高（m）樁底標(biāo)高（m）設(shè)計(jì)截面樁頂以下（m）外徑（cm）壁厚（cm）F117511.0-64.00~6m70076~15m7007.515~31m700831~49m7007.549~73m700773~75m7007.5F177411.0-63.00~3m70073~6m7007.56~9m70089m700XXX海上風(fēng)電場(chǎng)工程（標(biāo)段Ⅱ施工前）單樁基礎(chǔ)分析報(bào)告1樁截面設(shè)計(jì)概況根據(jù)XXX2個(gè)機(jī)位（F11機(jī)位、機(jī)位）單樁做可打性分析。其設(shè)計(jì)截面如下：2地質(zhì)概況F11F17機(jī)位的鉆孔柱狀圖（包含標(biāo)準(zhǔn)貫入試驗(yàn)數(shù)據(jù)）。機(jī)位樁長(zhǎng)（m）樁頂標(biāo)高（m）樁底標(biāo)高（m）設(shè)計(jì)截面樁頂以下（m）外徑（cm）壁厚（cm）F117511.0-64.00~6m70076~15m7007.515~31m700831~49m7007.549~73m700773~75m7007.5F177411.0-63.00~3m70073~6m7007.56~9m70089m7008.512m7208.515m7408.518~30m7608.530~39m760839~45m7607.545~51m760751~57m7606.557~72m760672~74m76073打樁錘概況4預(yù)防據(jù)錘計(jì)算工況5可打性評(píng)價(jià)標(biāo)準(zhǔn)及結(jié)果打樁容易：終錘時(shí)，最后1m錘擊數(shù)≤100錘；且總錘擊數(shù)不大于2500錘。1m錘擊數(shù)≤25045001m錘擊數(shù)＞2504500錘。拒錘：施打85%額定能量時(shí)，米錘擊數(shù)大于3打樁錘概況4預(yù)防據(jù)錘計(jì)算工況5可打性評(píng)價(jià)標(biāo)準(zhǔn)及結(jié)果打樁容易：終錘時(shí)，最后1m錘擊數(shù)≤100錘；且總錘擊數(shù)不大于2500錘。1m錘擊數(shù)≤25045001m錘擊數(shù)＞2504500錘。拒錘：施打85%額定能量時(shí)，米錘擊數(shù)大于400錘。從下表中可以看出：（1）1231錘（4.3mm，3634錘，可評(píng)價(jià)為打樁正常。7181錘（55mm，3811錘，可評(píng)價(jià)為打樁正常。F1117m1.5m后7.5m。F1731m意觀測(cè)，待自穩(wěn)后才能脫鉤，沉樁后無(wú)明顯溜樁情況。（2）（3）（4（1517機(jī)位1900KJ議打樁前做好充分準(zhǔn)備，操作應(yīng)干脆、熟練，打樁間斷總時(shí)間控制在4.5小時(shí)以內(nèi)。序號(hào)工況描述備注理想工況連續(xù)打入，不間斷打樁單位打樁經(jīng)驗(yàn)豐富，準(zhǔn)備充分。一般工況打樁不連續(xù)，間斷總時(shí)間在12小時(shí)以內(nèi)打樁單位打樁經(jīng)驗(yàn)一般，操作生疏。采用錘型：TZ-1900液壓錘，太原重工生產(chǎn)打樁工藝：7m直徑樁套筒，直接套打最大、最小打擊能量：1900KJ/190KJ最大能量打擊頻次：22~25次/分錘芯重量：95噸約400噸備注：一般工況可能更接近于實(shí)際打樁工況。打樁錘鉆孔編號(hào)計(jì)算條件起錘能量設(shè)置（KJ）溜樁可能情況TZ-1900錘，直接套打F11-1側(cè)摩阻力取小值17.0m300KJ300KJ1.5m26m側(cè)摩阻力取大值16.5m300KJ2m3.5m22mTZ-1900錘，直接套打F17-1側(cè)摩阻力取小值31m1200KJ壓錘后入泥深度達(dá)31m，應(yīng)注意觀測(cè)，待自穩(wěn)后才能脫鉤。側(cè)摩阻力取大值31m打樁錘鉆孔編號(hào)打樁工況最后1米備注：一般工況可能更接近于實(shí)際打樁工況。打樁錘鉆孔編號(hào)計(jì)算條件起錘能量設(shè)置（KJ）溜樁可能情況TZ-1900錘，直接套打F11-1側(cè)摩阻力取小值17.0m300KJ300KJ1.5m26m側(cè)摩阻力取大值16.5m300KJ2m3.5m22mTZ-1900錘，直接套打F17-1側(cè)摩阻力取小值31m1200KJ壓錘后入泥深度達(dá)31m，應(yīng)注意觀測(cè)，待自穩(wěn)后才能脫鉤。側(cè)摩阻力取大值31m打樁錘鉆孔編號(hào)打樁工況最后1米錘擊數(shù)（擊）總錘擊數(shù)（擊）樁基可打性評(píng)價(jià)見附表TZ-1900液壓錘，直接套打F11-1最大施打1615KJ理想工況1892647打樁正常129附表1一般工況2313634附表2TZ-1900液壓錘，直接套打F17-1最大施打1615KJ理想工況1673534打樁正常132附表3一般工況1813811附表41F11機(jī)位，連續(xù)打樁工況HNGY，F(xiàn)11機(jī)位，連續(xù)打樁工況GRLWEAPVersion2010獲得10.500/1.500壓應(yīng)力拉應(yīng)力MPa深度極限承載力 摩阻力端阻力kN錘擊數(shù)blows/m沖程能量mkNkNMPamkJ2.04.06.08.01F11機(jī)位，連續(xù)打樁工況HNGY，F(xiàn)11機(jī)位，連續(xù)打樁工況GRLWEAPVersion2010獲得10.500/1.500壓應(yīng)力拉應(yīng)力MPa深度極限承載力 摩阻力端阻力kN錘擊數(shù)blows/m沖程能量mkNkNMPamkJ2.04.06.08.010.012.014.016.017.017.518.018.519.020.022.024.026.027.028.030.032.034.036.038.040.042.044.046.048.050.052.054.056.057.057.558.058.559.059.21523.8255.1342.6461.5611.8793.36799.510054.011807.912716.513646.214597.17353.77957.49254.510671.012206.924683.026173.635788.117998.019534.521089.422662.924254.925865.327494.331796.833446.135095.536744.838394.140043.440868.141280.473820.174965.576110.976569.055.3122.9210.5329.3479.6661.21257.12256.02882.13226.83592.63979.64270.34874.06171.17587.69123.59998.011488.714088.615703.617240.118795.120368.521960.523571.025199.926845.928495.330144.631793.933443.235092.635917.236329.637474.938620.339765.640223.81468.5132.2132.2132.2132.2132.25542.47798.08925.89489.710053.610617.53083.43083.43083.43083.43083.414684.914684.921699.42294.42294.42294.42294.42294.42294.42294.44950.94950.94950.94950.94950.94950.94950.94950.936345.236345.236345.236345.20.00.00.00.00.00.00.00.00.045.860.666.50.00.00.00.00.0104.188.5138.140.444.449.163.960.163.667.277.881.972.275.578.882.083.576.4186.5187.3188.9189.30.0000.0000.0000.0000.0000.0000.0000.0000.00056.76456.74856.7350.0000.0000.0000.0000.00078.31290.029100.246100.246100.246100.246100.246109.548109.548109.548109.548109.548121.901121.901121.901121.901121.901129.493129.493129.493129.493129.4930.0000.0000.0000.0000.0000.0000.0000.0000.000-37.457-36.490-35.5310.0000.0000.0000.0000.000-40.177-46.656-49.179-71.261-70.142-69.161-68.308-74.576-74.572-73.915-67.990-67.304-75.226-74.521-73.811-73.122-72.800-77.619-47.750-47.774-47.501-47.4780.000.000.000.000.000.000.000.000.000.300.300.300.000.000.000.000.000.600.801.001.001.001.001.001.201.201.201.201.201.501.501.501.501.501.701.701.701.701.700.00.00.00.00.00.00.00.00.0281.7271.2268.70.00.00.00.00.0470.5619.8763.3798.6769.1782.5768.4913.3913.2913.1910.8912.41131.41131.21130.51129.81129.41275.41261.01261.01261.01261.0錘擊總數(shù):26472.0m時(shí)開始計(jì)算)(分鐘):(b/min):8830664052504460377033802990261002411022120持續(xù)打樁時(shí)間;不包括等待時(shí)間)(m度深6661/深度(m)力力量0 0 6 6 60 0 數(shù)力程)(m度深6661/深度(m)力力量0 0 6 6 60 0 數(shù)力程2，F(xiàn)11機(jī)位，一般工況HNGY，F(xiàn)11機(jī)位，一般工況GRLWEAPVersion2010獲得10.750/1.500壓應(yīng)力拉應(yīng)力MPa深度極限承載力 摩阻力端阻力kN錘擊數(shù)blows/m沖程能量mkNkNMPamkJ2.04.06.08.02，F(xiàn)11機(jī)位，一般工況HNGY，F(xiàn)11機(jī)位，一般工況GRLWEAPVersion2010獲得10.750/1.500壓應(yīng)力拉應(yīng)力MPa深度極限承載力 摩阻力端阻力kN錘擊數(shù)blows/m沖程能量mkNkNMPamkJ2.04.06.08.010.012.014.016.016.517.017.518.018.519.020.021.022.023.024.026.027.028.030.032.034.036.038.040.042.044.046.048.050.052.054.056.057.057.558.058.559.059.21529.3287.3418.6596.9822.31094.77259.910764.111706.112674.513669.314690.515738.08640.09545.610496.011491.212531.213616.015919.828797.130660.340844.223307.225611.927944.430304.632692.535108.237551.742677.245151.247625.250099.152573.155047.156284.156902.689556.890816.892076.692580.660.8155.1286.4464.8690.1962.51717.52966.13344.23748.74179.64636.95120.55556.66462.27412.68407.89447.810532.612836.414112.115975.419144.821012.923317.525650.028010.230398.232813.935257.337726.340200.342674.345148.347622.250096.251333.251951.753211.654471.555731.456235.41468.5132.2132.2132.2132.2132.25542.47798.08361.98925.89489.710053.610617.53083.43083.43083.43083.43083.43083.43083.414684.914684.921699.42294.42294.42294.42294.42294.42294.42294.44950.94950.94950.94950.94950.94950.94950.94950.936345.236345.236345.236345.20.00.00.00.00.00.00.00.00.045.660.767.174.30.00.00.00.020.738.044.884.489.0165.364.470.376.984.179.585.792.0107.7114.198.8103.3108.7114.7117.9106.5227.2228.7230.6231.30.0000.0000.0000.0000.0000.0000.0000.0000.00056.76256.74056.72456.7090.0000.0000.0000.00078.29890.02990.030100.246100.246100.246100.246100.246100.246100.246109.548109.548109.548109.548109.548121.901121.901121.901121.901121.902129.493129.493129.493129.493129.4930.0000.0000.0000.0000.0000.0000.0000.0000.000-37.611-36.594-35.581-34.5600.0000.0000.0000.000-56.682-64.594-61.182-49.439-48.459-46.279-65.396-63.501-62.038-60.857-66.396-65.990-64.389-58.229-57.514-64.248-63.319-62.405-61.538-61.143-65.255-41.934-42.056-42.047-42.0770.000.000.000.000.000.000.000.000.000.300.300.300.300.000.000.000.000.600.800.801.001.001.001.001.001.001.001.201.201.201.201.201.501.501.501.501.501.701.701.701.701.700.00.00.00.00.00.00.00.00.0282.0271.1268.4265.80.00.00.00.0587.8645.9626.2766.1766.7762.9769.0768.4768.0767.0911.0912.2910.8907.8905.81126.71124.41120.91117.31116.21261.01261.01261.01261.01261.0錘擊總數(shù):36342.0m時(shí)開始計(jì)算)(分鐘):(b/min):12130904072506060517045804090361003311030120持續(xù)打樁時(shí)間;不包括等待時(shí)間)(m度深6661/深度(m)力力量0 0 6 6 60 0 數(shù)力程)(m度深6661/深度(m)力力量0 0 6 6 60 0 數(shù)力程3，F(xiàn)17機(jī)位，連續(xù)打樁工況HNGY，F(xiàn)17機(jī)位，連續(xù)打樁工況GRLWEAPVersion2010獲得10.500/1.500壓應(yīng)力拉應(yīng)力MPa深度極限承載力 摩阻力端阻力kN錘擊數(shù)blows/m沖程能量mkNkNMPamkJ2.04.06.08.010.012.014.016.03，F(xiàn)17機(jī)位，連續(xù)打樁工況HNGY，F(xiàn)17機(jī)位，連續(xù)打樁工況GRLWEAPVersion2010獲得10.500/1.500壓應(yīng)力拉應(yīng)力MPa深度極限承載力 摩阻力端阻力kN錘擊數(shù)blows/m沖程能量mkNkNMPamkJ2.04.06.08.010.012.014.016.018.020.022.024.026.027.028.029.030.031.032.033.034.035.036.038.040.042.044.046.048.050.052.054.055.055.556.056.557.057.557.7557.7618.6717.2853.71028.01240.11490.01777.82103.32466.72867.83306.85043.85435.45861.46321.96816.77346.136027.837221.638415.439609.245423.348407.851392.354376.857361.360345.863330.366314.869299.340235.841131.141578.842026.542473.979212.180703.281299.6289.4350.3449.0585.4759.7971.91221.81509.51835.02198.42599.63038.53702.54094.14520.14980.65475.46004.87005.98199.79393.510587.311960.214944.717929.220913.723898.226882.729867.232851.735836.238223.839119.239566.840014.540462.041953.643444.744041.1268.3268.3268.3268.3268.3268.3268.3268.3268.3268.3268.3268.31341.31341.31341.31341.31341.31341.329021.929021.929021.929021.933463.133463.133463.133463.133463.133463.133463.133463.133463.12012.02012.02012.02012.02012.037258.537258.537258.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0126.0129.3132.7136.1134.4141.6144.4147.0149.6152.3155.0157.7160.563.465.660.561.362.4164.1165.7166.60.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000111.490111.361111.293111.2930.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.001.201.201.201.201.501.501.501.501.501.501.501.501.501.501.501.701.701.701.701.701.700.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0904.4904.3904.1904.01121.21121.01120.81120.51120.11119.61118.71117.11114.71107.91112.81251.91251.91251.91251.91251.91251.9-51.284-51.406-51.455-51.440123.987123.988123.988123.988123.988123.988123.988123.988123.988123.988123.988131.805131.805131.805131.805131.805131.805-52.061-51.498-50.757-50.000-49.389-48.788-48.502-48.676-48.974-90.339-89.555-95.494-95.308-94.813-48.060-47.823-47.567錘擊總數(shù):35342.0m時(shí)開始計(jì)算)(分鐘):(b/min):11730884070505860507044803990351003211029120持續(xù)打樁時(shí)間;不包括等待時(shí)間)(m度深6661/深度(m)力力量0 0 6 6 60 0 數(shù)力程)(m度深6661/深度(m)力力量0 0 6 6 60 0 數(shù)力程4，F(xiàn)17機(jī)位，一般工況HNGY，F(xiàn)17機(jī)位，一般工況GRLWEAPVersion2010獲得10.750/1.500壓應(yīng)力拉應(yīng)力MPa深度極限承載力 摩阻力端阻力kN錘擊數(shù)blows/m沖程能量mkNkNMPamkJ2.04.06.08.010.012.014.016.04，F(xiàn)17機(jī)位，一般工況HNGY，F(xiàn)17機(jī)位，一般工況GRLWEAPVersion2010獲得10.750/1.500壓應(yīng)力拉應(yīng)力MPa深度極限承載力 摩阻力端阻力kN錘擊數(shù)blows/m沖程能量mkNkNMPamkJ2.04.06.08.010.012.014.016.018.020.022.024.026.027.028.029.030.031.032.033.034.035.036.038.040.042.044.046.048.050.052.054.055.055.556.056.557.057.557.7591.0682.3830.31035.01296.51614.61989.52421.12909.43454.44056.24714.76783.77371.08010.08700.79443.010237.039085.140398.341711.543024.748976.052259.055541.958824.962107.865390.868673.771956.775239.646773.048116.048787.549459.150130.387017.688657.989313.9322.7414.0562.0766.81028.21346.41721.22152.82641.13186.23787.94446.45442.46029.76668.77359.48101.78895.710063.211376.412689.614002.815512.918795.922078.825361.828644.731927.735210.638493.641776.544761.046104.146775.647447.148118.449759.151399.452055.4268.3268.3268.3268.3268.3268.3268.3268.3268.3268.3268.3268.31341.31341.31341.31341.31341.31341.329021.929021.929021.929021.933463.133463.133463.133463.133463.133463.133463.133463.133463.12012.02012.02012.02012.02012.037258.537258.537258.50.00.00.00