土方開(kāi)挖及基坑支護(hù)計(jì)算書(shū)

1.1城投科技園建設(shè)項(xiàng)目基坑支護(hù)設(shè)計(jì)計(jì)算書(shū) 11.1.114M驗(yàn)算項(xiàng)目: 11.1.213m驗(yàn)算項(xiàng)目: 141.1.311m驗(yàn)算項(xiàng)目: 251.1.49m驗(yàn)算項(xiàng)目: 351.2施工馬道邊坡穩(wěn)定性計(jì)算書(shū) 45城投科技園建設(shè)項(xiàng)目基坑支護(hù)設(shè)計(jì)計(jì)算書(shū)14M驗(yàn)算項(xiàng)目:[驗(yàn)算簡(jiǎn)圖][驗(yàn)算條件][基本參數(shù)]所依據(jù)的規(guī)程或方法：《建筑基坑支護(hù)技術(shù)規(guī)程》JGJ120-2012支護(hù)結(jié)構(gòu)重要性系數(shù)：1.000基坑深度：14.000(m)基坑內(nèi)地下水深度：30.000(m)基坑外地下水深度：40.000(m)[坡線參數(shù)]坡線段數(shù)3序號(hào)水平投影(m)豎向投影(m)傾角(°)15.2757.00053.021.5000.0000.035.2507.00053.1[土層參數(shù)]土層層數(shù)1層號(hào)土類(lèi)名稱(chēng)層厚重度浮重度粘聚力內(nèi)摩擦角與錨固體摩阻力與土釘摩阻力水土(m)(kN/m^3)(kN/m^3)(kPa)(度)(kPa)(kPa)1卵石30.00021.05.042.0220.0110.0[超載參數(shù)]超載數(shù)1序號(hào)超載類(lèi)型超載值(kPa,kN/m)作用深度(m)作用寬度(m)距坑邊距(m)形式長(zhǎng)度(m)1滿布均布5.000注：距坑邊距--荷載起點(diǎn)到基坑底部的水平距離。[土釘參數(shù)]土釘?shù)罃?shù)7 土釘材料鋼管序號(hào)水平間距(m)豎向間距(m)入射角度(度)注漿體直徑(mm)長(zhǎng)度(m)鋼材牌號(hào)外徑(mm)壁厚(mm)12.0001.50010.0506.000Q23548.03.021.5002.00010.0506.000Q23548.03.032.0002.00010.0505.000Q23548.03.042.0002.00010.0505.000Q23548.03.052.0002.00010.0504.000Q23548.03.062.0002.00010.0504.000Q23548.03.072.0002.00010.0504.000Q23548.03.0鋼筋類(lèi)型對(duì)應(yīng)關(guān)系：d-HPB300,D-HRB335,E-HRB400,F-RRB400,G-HRB500,P-HRBF335,Q-HRBF400,R-HRBF500[花管參數(shù)]基坑內(nèi)側(cè)花管排數(shù)0基坑外側(cè)花管排數(shù)0[錨桿參數(shù)]錨桿道數(shù)0[坑內(nèi)土不加固][抗拔承載力計(jì)算條件]軸向拉力標(biāo)準(zhǔn)值計(jì)算中土壓力取法：分布力抗拔承載力計(jì)算錨桿是否分擔(dān)土壓力：否施工期局部抗拉安全系數(shù)折減：1.000土釘荷載分項(xiàng)系數(shù)：1.250土釘抗拔安全系數(shù)：1.600土釘墻底面支錨軸向拉力經(jīng)驗(yàn)系數(shù)ηb：0.000[整體穩(wěn)定計(jì)算條件]整體穩(wěn)定計(jì)算方法:瑞典條分法考慮地下水作用的計(jì)算方法：有效應(yīng)力法穩(wěn)定計(jì)算合算地層考慮孔隙水壓力否條分法中的土條寬度：0.400(m)基坑底面以下的截止計(jì)算深度：0.000(m)基坑底面以下滑裂面搜索步長(zhǎng)：1.000(m)搜索最不利滑裂面是否考慮加筋：是施工期整體穩(wěn)定安全系數(shù)折減：1.000整體滑動(dòng)穩(wěn)定安全系數(shù)：1.300*******************************************************************[驗(yàn)算結(jié)果]*******************************************************************[抗拔承載力驗(yàn)算結(jié)果]工況開(kāi)挖深度破裂角支錨號(hào)支錨長(zhǎng)度抗拔承載力標(biāo)準(zhǔn)值抗拉承載力標(biāo)準(zhǔn)值min(Rkj,fykAs)軸向拉力標(biāo)準(zhǔn)值抗拔(m)(度)(m) Rkj(kN)fykAs(kN)(kN)Nkj(kN)安全系數(shù)12.00047.6024.00047.61土釘6.00097.46899.66797.4688.07212.07436.00047.61土釘6.00092.50599.66792.5052.23841.3352土釘6.00097.46899.66797.46812.1238.04048.00047.51土釘6.000103.67399.66799.6672.23844.5352土釘6.000103.67399.66799.6675.40818.4313土釘5.00086.39499.66786.39413.4636.417510.00047.51土釘6.000103.67399.66799.6672.23844.5352土釘6.000103.67399.66799.6675.40818.4313土釘5.00086.39499.66786.39413.4486.4254土釘5.00080.24799.66780.2471.92541.676612.00047.51土釘6.000100.21899.66799.6672.23844.5352土釘6.000103.67399.66799.6675.40818.4313土釘5.00086.39499.66786.39413.4486.4254土釘5.00075.33099.66775.3300.183412.4405土釘4.00062.96899.66762.9684.80013.118714.00047.51土釘6.00095.30199.66795.3012.23842.5842土釘6.000100.32599.66799.6675.40818.4313土釘5.00086.39499.66786.39413.4486.4254土釘5.00070.41299.66770.4120.183385.5165土釘4.00058.05199.66758.0511.89230.6776土釘4.00062.96899.66762.9685.84410.775814.00047.51土釘6.00095.30199.66795.3012.23842.5842土釘6.000100.32599.66799.6675.40818.4313土釘5.00086.39499.66786.39413.4486.4254土釘5.00070.41299.66770.4120.183385.5165土釘4.00058.05199.66758.0511.89230.6776土釘4.00062.96899.66762.9682.31127.2427土釘4.00067.88699.66767.8860.70796.082[受拉承載力驗(yàn)算結(jié)果]工況開(kāi)挖深度破裂角支錨號(hào)支錨長(zhǎng)度軸向拉力設(shè)計(jì)值抗拉承載力設(shè)計(jì)值抗拉(m)(度)(m) Nj(kN)fyAs(kN) 滿足系數(shù)12.00047.6024.00047.61土釘6.00010.09191.1859.03736.00047.61土釘6.0002.79791.18532.5962土釘6.00015.15491.1856.01748.00047.51土釘6.0002.79791.18532.5962土釘6.0006.75991.18513.4903土釘5.00016.82891.1855.419510.00047.51土釘6.0002.79791.18532.5962土釘6.0006.75991.18513.4903土釘5.00016.80991.1855.4254土釘5.0002.40791.18537.885612.00047.51土釘6.0002.79791.18532.5962土釘6.0006.75991.18513.4903土釘5.00016.80991.1855.4254土釘5.0000.22891.185399.3995土釘4.0006.00091.18515.197714.00047.51土釘6.0002.79791.18532.5962土釘6.0006.75991.18513.4903土釘5.00016.80991.1855.4254土釘5.0000.22891.185399.3995土釘4.0002.36591.18538.5496土釘4.0007.30591.18512.482814.00047.51土釘6.0002.79791.18532.5962土釘6.0006.75991.18513.4903土釘5.00016.80991.1855.4254土釘5.0000.22891.185399.3995土釘4.0002.36591.18538.5496土釘4.0002.88991.18531.5607土釘4.0000.88391.185103.246[整體穩(wěn)定驗(yàn)算結(jié)果]工況號(hào)安全系數(shù)圓心坐標(biāo)x(m)圓心坐標(biāo)y(m)半徑(m)11.7249.40415.1213.31721.8028.19614.8284.89931.6636.28215.2437.34841.5735.14815.4669.48751.4552.46015.65911.67361.329-0.81117.55215.72471.341-4.31418.31418.81581.380-4.78220.15920.718[噴射混凝土面層計(jì)算][計(jì)算參數(shù)]厚度：100(mm)混凝土強(qiáng)度等級(jí):C20配筋計(jì)算as:15(mm)水平配筋:1.200[計(jì)算結(jié)果]編號(hào)深度范圍荷載值(kPa)軸向M(kN.m)As(mm^2)實(shí)配As(mm^2)10.00-1.500.7x0.053200.0(構(gòu)造)141.4y0.104200.0(構(gòu)造)141.421.50-3.508.3x1.161200.0(構(gòu)造)141.4y0.596200.0(構(gòu)造)141.433.50-5.5018.3x2.698200.0(構(gòu)造)141.4y2.698200.0(構(gòu)造)141.445.50-7.5020.3x2.988200.0(構(gòu)造)141.4y2.988200.0(構(gòu)造)141.457.50-9.503.5x0.512200.0(構(gòu)造)141.4y0.512200.0(構(gòu)造)141.469.50-11.5013.3x1.962200.0(構(gòu)造)141.4y1.962200.0(構(gòu)造)141.4711.50-13.5026.8x3.943200.0(構(gòu)造)141.4y3.943200.0(構(gòu)造)141.4813.50-14.0046.9x0.000200.0(構(gòu)造)141.4y1.465200.0(構(gòu)造)141.4[抗隆起驗(yàn)算]1)從支護(hù)底部開(kāi)始，逐層驗(yàn)算抗隆起穩(wěn)定性，結(jié)果如下： 支護(hù)底部，驗(yàn)算抗隆起： Ks=(21.000×0.000×85.374+5.000×93.706)/((73.500×5.275+366.460×14.000)/(5.275+14.000))=1.637 Ks=1.637≥1.600，抗隆起穩(wěn)定性滿足。 13m驗(yàn)算項(xiàng)目:[驗(yàn)算簡(jiǎn)圖][驗(yàn)算條件][基本參數(shù)]所依據(jù)的規(guī)程或方法：《建筑基坑支護(hù)技術(shù)規(guī)程》JGJ120-2012支護(hù)結(jié)構(gòu)重要性系數(shù)：1.000基坑深度：13.000(m)基坑內(nèi)地下水深度：30.000(m)基坑外地下水深度：40.000(m)[坡線參數(shù)]坡線段數(shù)3序號(hào)水平投影(m)豎向投影(m)傾角(°)15.2757.00053.021.5000.0000.034.5006.00053.1[土層參數(shù)]土層層數(shù)1層號(hào)土類(lèi)名稱(chēng)層厚重度浮重度粘聚力內(nèi)摩擦角與錨固體摩阻力與土釘摩阻力水土(m)(kN/m^3)(kN/m^3)(kPa)(度)(kPa)(kPa)1卵石30.00021.05.042.0220.0110.0[超載參數(shù)]超載數(shù)1序號(hào)超載類(lèi)型超載值(kPa,kN/m)作用深度(m)作用寬度(m)距坑邊距(m)形式長(zhǎng)度(m)1滿布均布5.000注：距坑邊距--荷載起點(diǎn)到基坑底部的水平距離。[土釘參數(shù)]土釘?shù)罃?shù)6 土釘材料鋼管序號(hào)水平間距(m)豎向間距(m)入射角度(度)注漿體直徑(mm)長(zhǎng)度(m)鋼材牌號(hào)外徑(mm)壁厚(mm)12.0001.50010.0506.000Q23548.03.021.5002.00010.0506.000Q23548.03.032.0002.00010.0505.000Q23548.03.042.0002.00010.0505.000Q23548.03.052.0002.00010.0504.000Q23548.03.062.0002.00010.0504.000Q23548.03.0鋼筋類(lèi)型對(duì)應(yīng)關(guān)系：d-HPB300,D-HRB335,E-HRB400,F-RRB400,G-HRB500,P-HRBF335,Q-HRBF400,R-HRBF500[花管參數(shù)]基坑內(nèi)側(cè)花管排數(shù)0基坑外側(cè)花管排數(shù)0[錨桿參數(shù)]錨桿道數(shù)0[坑內(nèi)土不加固][抗拔承載力計(jì)算條件]軸向拉力標(biāo)準(zhǔn)值計(jì)算中土壓力取法：分布力抗拔承載力計(jì)算錨桿是否分擔(dān)土壓力：否施工期局部抗拉安全系數(shù)折減：1.000土釘荷載分項(xiàng)系數(shù)：1.250土釘抗拔安全系數(shù)：1.600土釘墻底面支錨軸向拉力經(jīng)驗(yàn)系數(shù)ηb：0.000[整體穩(wěn)定計(jì)算條件]整體穩(wěn)定計(jì)算方法:瑞典條分法考慮地下水作用的計(jì)算方法：有效應(yīng)力法穩(wěn)定計(jì)算合算地層考慮孔隙水壓力否條分法中的土條寬度：0.400(m)基坑底面以下的截止計(jì)算深度：0.000(m)基坑底面以下滑裂面搜索步長(zhǎng)：1.000(m)搜索最不利滑裂面是否考慮加筋：是施工期整體穩(wěn)定安全系數(shù)折減：1.000整體滑動(dòng)穩(wěn)定安全系數(shù)：1.300*******************************************************************[驗(yàn)算結(jié)果]*******************************************************************[抗拔承載力驗(yàn)算結(jié)果]工況開(kāi)挖深度破裂角支錨號(hào)支錨長(zhǎng)度抗拔承載力標(biāo)準(zhǔn)值抗拉承載力標(biāo)準(zhǔn)值min(Rkj,fykAs)軸向拉力標(biāo)準(zhǔn)值抗拔(m)(度)(m) Rkj(kN)fykAs(kN)(kN)Nkj(kN)安全系數(shù)12.00047.6024.00047.61土釘6.00097.46899.66797.4688.33711.69236.00047.61土釘6.00092.50599.66792.5052.31140.0252土釘6.00097.46899.66797.46812.3127.91648.00047.51土釘6.000103.67399.66799.6672.31143.1242土釘6.000103.67399.66799.6675.49218.1483土釘5.00086.39499.66786.3947.91810.911510.00047.51土釘6.000103.67399.66799.6672.31143.1242土釘6.000103.67399.66799.6675.49218.1483土釘5.00086.39499.66786.3947.17912.0344土釘5.00080.24799.66780.2473.90520.550612.00047.51土釘6.000100.27299.66799.6672.31143.1242土釘6.000103.67399.66799.6675.49218.1483土釘5.00086.39499.66786.3947.17912.0344土釘5.00075.33099.66775.3301.08369.5835土釘4.00062.96899.66762.9685.92410.630713.00047.51土釘6.00097.81399.66797.8132.31142.3222土釘6.000102.83899.66799.6675.49218.1483土釘5.00086.39499.66786.3947.17912.0344土釘5.00072.87199.66772.8711.08367.3125土釘4.00060.51099.66760.5102.64222.9016土釘4.00065.42799.66765.4273.14120.832[受拉承載力驗(yàn)算結(jié)果]工況開(kāi)挖深度破裂角支錨號(hào)支錨長(zhǎng)度軸向拉力設(shè)計(jì)值抗拉承載力設(shè)計(jì)值抗拉(m)(度)(m) Nj(kN)fyAs(kN) 滿足系數(shù)12.00047.6024.00047.61土釘6.00010.42191.1858.75036.00047.61土釘6.0002.88991.18531.5632土釘6.00015.39091.1855.92548.00047.51土釘6.0002.88991.18531.5632土釘6.0006.86591.18513.2833土釘5.0009.89891.1859.213510.00047.51土釘6.0002.88991.18531.5632土釘6.0006.86591.18513.2833土釘5.0008.97491.18510.1614土釘5.0004.88191.18518.681612.00047.51土釘6.0002.88991.18531.5632土釘6.0006.86591.18513.2833土釘5.0008.97491.18510.1614土釘5.0001.35391.18567.3835土釘4.0007.40491.18512.315713.00047.51土釘6.0002.88991.18531.5632土釘6.0006.86591.18513.2833土釘5.0008.97491.18510.1614土釘5.0001.35391.18567.3835土釘4.0003.30391.18527.6086土釘4.0003.92691.18523.226[整體穩(wěn)定驗(yàn)算結(jié)果]工況號(hào)安全系數(shù)圓心坐標(biāo)x(m)圓心坐標(biāo)y(m)半徑(m)11.7248.65414.1213.31721.8027.44613.8284.89931.6635.53214.2437.34841.6313.14616.02811.04551.4781.03415.39912.46061.339-2.24217.28716.56071.300-3.88718.22518.635[噴射混凝土面層計(jì)算][計(jì)算參數(shù)]厚度：100(mm)混凝土強(qiáng)度等級(jí):C20配筋計(jì)算as:15(mm)水平配筋:1.200[計(jì)算結(jié)果]編號(hào)深度范圍荷載值(kPa)軸向M(kN.m)As(mm^2)實(shí)配As(mm^2)10.00-1.500.7x0.053200.0(構(gòu)造)141.4y0.104200.0(構(gòu)造)141.421.50-3.508.3x1.161200.0(構(gòu)造)141.4y0.596200.0(構(gòu)造)141.433.50-5.5018.3x2.698200.0(構(gòu)造)141.4y2.698200.0(構(gòu)造)141.445.50-7.506.7x0.986200.0(構(gòu)造)141.4y0.986200.0(構(gòu)造)141.457.50-9.508.3x1.227200.0(構(gòu)造)141.4y1.227200.0(構(gòu)造)141.469.50-11.5018.3x2.698200.0(構(gòu)造)141.4y2.698200.0(構(gòu)造)141.4711.50-13.0035.5x2.540200.0(構(gòu)造)141.4y4.945223.7141.4[抗隆起驗(yàn)算]1)從支護(hù)底部開(kāi)始，逐層驗(yàn)算抗隆起穩(wěn)定性，結(jié)果如下： 支護(hù)底部，驗(yàn)算抗隆起： Ks=(21.000×0.000×85.374+5.000×93.706)/((73.500×5.275+336.602×13.000)/(5.275+13.000))=1.797 Ks=1.797≥1.600，抗隆起穩(wěn)定性滿足。 11m驗(yàn)算項(xiàng)目:[驗(yàn)算簡(jiǎn)圖][驗(yàn)算條件][基本參數(shù)]所依據(jù)的規(guī)程或方法：《建筑基坑支護(hù)技術(shù)規(guī)程》JGJ120-2012支護(hù)結(jié)構(gòu)重要性系數(shù)：1.000基坑深度：11.000(m)基坑內(nèi)地下水深度：30.000(m)基坑外地下水深度：40.000(m)[坡線參數(shù)]坡線段數(shù)3序號(hào)水平投影(m)豎向投影(m)傾角(°)14.5216.00053.021.5000.0000.033.7505.00053.1[土層參數(shù)]土層層數(shù)1層號(hào)土類(lèi)名稱(chēng)層厚重度浮重度粘聚力內(nèi)摩擦角與錨固體摩阻力與土釘摩阻力水土(m)(kN/m^3)(kN/m^3)(kPa)(度)(kPa)(kPa)1卵石30.00021.05.042.0220.0110.0[超載參數(shù)]超載數(shù)1序號(hào)超載類(lèi)型超載值(kPa,kN/m)作用深度(m)作用寬度(m)距坑邊距(m)形式長(zhǎng)度(m)1滿布均布5.000注：距坑邊距--荷載起點(diǎn)到基坑底部的水平距離。[土釘參數(shù)]土釘?shù)罃?shù)5 土釘材料鋼管序號(hào)水平間距(m)豎向間距(m)入射角度(度)注漿體直徑(mm)長(zhǎng)度(m)鋼材牌號(hào)外徑(mm)壁厚(mm)12.0002.00010.0506.000Q23548.03.022.0002.00010.0505.000Q23548.03.032.0002.00010.0504.000Q23548.03.042.0002.00010.0504.000Q23548.03.052.0002.00010.0504.000Q23548.03.0鋼筋類(lèi)型對(duì)應(yīng)關(guān)系：d-HPB300,D-HRB335,E-HRB400,F-RRB400,G-HRB500,P-HRBF335,Q-HRBF400,R-HRBF500[花管參數(shù)]基坑內(nèi)側(cè)花管排數(shù)0基坑外側(cè)花管排數(shù)0[錨桿參數(shù)]錨桿道數(shù)0[坑內(nèi)土不加固][抗拔承載力計(jì)算條件]軸向拉力標(biāo)準(zhǔn)值計(jì)算中土壓力取法：分布力抗拔承載力計(jì)算錨桿是否分擔(dān)土壓力：否施工期局部抗拉安全系數(shù)折減：1.000土釘荷載分項(xiàng)系數(shù)：1.250土釘抗拔安全系數(shù)：1.600土釘墻底面支錨軸向拉力經(jīng)驗(yàn)系數(shù)ηb：1.000[整體穩(wěn)定計(jì)算條件]整體穩(wěn)定計(jì)算方法:瑞典條分法考慮地下水作用的計(jì)算方法：有效應(yīng)力法穩(wěn)定計(jì)算合算地層考慮孔隙水壓力否條分法中的土條寬度：1.000(m)基坑底面以下的截止計(jì)算深度：0.000(m)基坑底面以下滑裂面搜索步長(zhǎng)：1.000(m)搜索最不利滑裂面是否考慮加筋：否施工期整體穩(wěn)定安全系數(shù)折減：1.000整體滑動(dòng)穩(wěn)定安全系數(shù)：1.300*******************************************************************[驗(yàn)算結(jié)果]*******************************************************************[抗拔承載力驗(yàn)算結(jié)果]工況開(kāi)挖深度破裂角支錨號(hào)支錨長(zhǎng)度抗拔承載力標(biāo)準(zhǔn)值抗拉承載力標(biāo)準(zhǔn)值min(Rkj,fykAs)軸向拉力標(biāo)準(zhǔn)值抗拔(m)(度)(m) Rkj(kN)fykAs(kN)(kN)Nkj(kN)安全系數(shù)12.50047.6024.50047.61土釘6.00097.46899.66797.4684.59221.22436.50047.51土釘6.000103.67399.66799.6671.60462.1202土釘5.00086.39499.66786.3944.47719.29648.50047.51土釘6.000103.67399.66799.6671.60462.1202土釘5.00086.39499.66786.3944.32519.9753土釘4.00062.96899.66762.9682.38026.460510.50047.51土釘6.000103.67399.66799.6671.60462.1202土釘5.00086.39499.66786.3944.32519.9753土釘4.00058.05199.66758.0510.456127.2884土釘4.00062.96899.66762.9686.8289.222611.00047.51土釘6.000103.67399.66799.6671.60462.1202土釘5.00086.39499.66786.3944.32519.9753土釘4.00056.82199.66756.8210.456124.5924土釘4.00061.73999.66761.7392.89921.2965土釘4.00066.65699.66766.6565.57311.961[受拉承載力驗(yàn)算結(jié)果]工況開(kāi)挖深度破裂角支錨號(hào)支錨長(zhǎng)度軸向拉力設(shè)計(jì)值抗拉承載力設(shè)計(jì)值抗拉(m)(度)(m) Nj(kN)fyAs(kN) 滿足系數(shù)12.50047.6024.50047.61土釘6.0005.74091.18515.88536.50047.51土釘6.0002.00691.18545.4662土釘5.0005.59791.18516.29348.50047.51土釘6.0002.00691.18545.4662土釘5.0005.40691.18516.8663土釘4.0002.97591.18530.654510.50047.51土釘6.0002.00691.18545.4662土釘5.0005.40691.18516.8663土釘4.0000.57091.185159.9524土釘4.0008.53591.18510.683611.00047.51土釘6.0002.00691.18545.4662土釘5.0005.40691.18516.8663土釘4.0000.57091.185159.9524土釘4.0003.62491.18525.1625土釘4.0006.96691.18513.090[整體穩(wěn)定驗(yàn)算結(jié)果]工況號(hào)安全系數(shù)圓心坐標(biāo)x(m)圓心坐標(biāo)y(m)半徑(m)11.6656.19513.5915.36821.8573.91212.7366.71332.1964.32012.3416.34441.658-2.54216.20114.39851.445-7.24219.49420.46561.502-7.93518.93520.530[噴射混凝土面層計(jì)算][計(jì)算參數(shù)]厚度：100(mm)混凝土強(qiáng)度等級(jí):C20配筋計(jì)算as:15(mm)水平配筋:1.200[計(jì)算結(jié)果]編號(hào)深度范圍荷載值(kPa)軸向M(kN.m)As(mm^2)實(shí)配As(mm^2)10.00-2.001.7x0.251200.0(構(gòu)造)141.4y0.251200.0(構(gòu)造)141.422.00-4.0010.8x1.595200.0(構(gòu)造)141.4y1.595200.0(構(gòu)造)141.434.00-6.009.2x1.354200.0(構(gòu)造)141.4y1.354200.0(構(gòu)造)141.446.00-8.005.8x0.859200.0(構(gòu)造)141.4y0.859200.0(構(gòu)造)141.458.00-10.0015.8x2.330200.0(構(gòu)造)141.4y2.330200.0(構(gòu)造)141.4610.00-11.0023.3x1.567200.0(構(gòu)造)141.4y0.422200.0(構(gòu)造)141.4[抗隆起驗(yàn)算]1)從支護(hù)底部開(kāi)始，逐層驗(yàn)算抗隆起穩(wěn)定性，結(jié)果如下： 支護(hù)底部，驗(yàn)算抗隆起： Ks=(21.000×0.000×85.374+5.000×93.706)/((63.000×4.521+282.907×11.000)/(4.521+11.000))=2.141 Ks=2.141≥1.600，抗隆起穩(wěn)定性滿足。 9m驗(yàn)算項(xiàng)目:[驗(yàn)算簡(jiǎn)圖][驗(yàn)算條件][基本參數(shù)]所依據(jù)的規(guī)程或方法：《建筑基坑支護(hù)技術(shù)規(guī)程》JGJ120-2012支護(hù)結(jié)構(gòu)重要性系數(shù)：1.000基坑深度：9.000(m)基坑內(nèi)地下水深度：20.000(m)基坑外地下水深度：20.000(m)[坡線參數(shù)]坡線段數(shù)3序號(hào)水平投影(m)豎向投影(m)傾角(°)13.7685.00053.021.5000.0000.033.0004.00053.1[土層參數(shù)]土層層數(shù)1層號(hào)土類(lèi)名稱(chēng)層厚重度浮重度粘聚力內(nèi)摩擦角與錨固體摩阻力與土釘摩阻力水土(m)(kN/m^3)(kN/m^3)(kPa)(度)(kPa)(kPa)1角礫30.00021.010.05.042.024.011.0分算[超載參數(shù)]超載數(shù)1序號(hào)超載類(lèi)型超載值(kPa,kN/m)作用深度(m)作用寬度(m)距坑邊距(m)形式長(zhǎng)度(m)1滿布均布5.000注：距坑邊距--荷載起點(diǎn)到基坑底部的水平距離。[土釘參數(shù)]土釘?shù)罃?shù)4 土釘材料鋼管序號(hào)水平間距(m)豎向間距(m)入射角度(度)注漿體直徑(mm)長(zhǎng)度(m)鋼材牌號(hào)外徑(mm)壁厚(mm)12.0002.00010.0506.000Q23548.03.022.0002.00010.0505.000Q23548.03.032.0002.00010.0504.000Q23548.03.042.0002.00010.0504.000Q23548.03.0鋼筋類(lèi)型對(duì)應(yīng)關(guān)系：d-HPB300,D-HRB335,E-HRB400,F-RRB400,G-HRB500,P-HRBF335,Q-HRBF400,R-HRBF500[花管參數(shù)]基坑內(nèi)側(cè)花管排數(shù)0基坑外側(cè)花管排數(shù)0[錨桿參數(shù)]錨桿道數(shù)0[坑內(nèi)土不加固][抗拔承載力計(jì)算條件]軸向拉力標(biāo)準(zhǔn)值計(jì)算中土壓力取法：土釘位置處抗拔承載力計(jì)算錨桿是否分擔(dān)土壓力：否施工期局部抗拉安全系數(shù)折減：1.000土釘荷載分項(xiàng)系數(shù)：1.250土釘抗拔安全系數(shù)：1.600土釘墻底面支錨軸向拉力經(jīng)驗(yàn)系數(shù)ηb：0.000[整體穩(wěn)定計(jì)算條件]整體穩(wěn)定計(jì)算方法:瑞典條分法考慮地下水作用的計(jì)算方法：有效應(yīng)力法穩(wěn)定計(jì)算合算地層考慮孔隙水壓力否條分法中的土條寬度：0.400(m)基坑底面以下的截止計(jì)算深度：0.000(m)基坑底面以下滑裂面搜索步長(zhǎng)：1.000(m)搜索最不利滑裂面是否考慮加筋：是施工期整體穩(wěn)定安全系數(shù)折減：1.000整體滑動(dòng)穩(wěn)定安全系數(shù)：1.300*******************************************************************[驗(yàn)算結(jié)果]*******************************************************************[抗拔承載力驗(yàn)算結(jié)果]工況開(kāi)挖深度破裂角支錨號(hào)支錨長(zhǎng)度抗拔承載力標(biāo)準(zhǔn)值抗拉承載力標(biāo)準(zhǔn)值min(Rkj,fykAs)軸向拉力標(biāo)準(zhǔn)值抗拔(m)(度)(m) Rkj(kN)fykAs(kN)(kN)Nkj(kN)安全系數(shù)11.90047.6023.30047.6034.70047.51土釘6.00010.36799.66710.3678.3281.24546.10047.51土釘6.00010.36799.66710.3675.3151.9502土釘5.0008.63999.6678.63910.6380.81257.50047.51土釘6.00010.36799.66710.3675.3151.9502土釘5.0008.63999.6678.6393.4322.5183土釘4.0006.54399.6676.5432.6032.51469.00047.51土釘6.00010.367