小學(xué)及配套設(shè)施項(xiàng)目基坑支護(hù)及降排水工程設(shè)計(jì)計(jì)算書

PAGE1PAGE1小學(xué)及配套設(shè)施項(xiàng)目基坑支護(hù)及降排水工程設(shè)計(jì)計(jì)算書目錄TOC\o"1-2"\h\z\u95141.各支護(hù)剖面單元計(jì)算 318945AB段以ZK1鉆孔進(jìn)行計(jì)算 318533BC、DE、FA段以ZK4鉆孔進(jìn)行計(jì)算 48500CD段以ZK52鉆孔進(jìn)行計(jì)算 62756EF段以ZK9鉆孔進(jìn)行計(jì)算 8251612.降水計(jì)算 10

1.各支護(hù)剖面單元計(jì)算AB段以ZK1鉆孔進(jìn)行計(jì)算驗(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：4.000(m)基坑內(nèi)地下水深度：10.000(m)基坑外地下水深度：10.000(m)[坡線參數(shù)]坡線段數(shù)1序號(hào)水平投影(m)豎向投影(m)傾角(°)12.0384.00063.0[土層參數(shù)]土層層數(shù)4層號(hào)土類名稱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雜填土0.60018.05.05.015.015.02粉土2.30018.920.017.040.040.03細(xì)砂0.50018.50.020.030.030.04卵石2.60022.50.035.0160.0160.0[超載參數(shù)]超載數(shù)1序號(hào)超載類型超載值(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15.000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)3 土釘材料鋼筋序號(hào)水平間距(m)豎向間距(m)入射角度(度)鉆孔直徑(mm)長(zhǎng)度(m)配筋11.4001.00015.01305.0001E2221.4001.20015.01304.0001E2231.4001.20015.01303.0001E22鋼筋類型對(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：總應(yīng)力法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)11.50037.6022.70038.71土釘5.00065.739152.05365.7390.000999.00033.90040.41土釘5.00056.889152.05356.8890.000999.0002土釘4.00045.521152.05345.5213.52212.92544.00040.61土釘5.00056.330152.05356.3300.000999.0002土釘4.00044.844152.05344.8441.82224.6083土釘3.000175.754152.053152.05321.5377.060[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)11.50037.6022.70038.71土釘5.0000.000136.848999.00033.90040.41土釘5.0000.000136.848999.0002土釘4.0004.402136.84831.08544.00040.61土釘5.0000.000136.848999.0002土釘4.0002.278136.84860.0753土釘3.00026.921136.8485.083[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)11.415-2.39811.4179.01922.037-0.1356.7945.55231.361-0.7414.9144.87941.9770.7815.3285.385[噴射混凝土面層計(jì)算][計(jì)算參數(shù)]厚度：80(mm)混凝土強(qiáng)度等級(jí):C20配筋計(jì)算as:15(mm)水平配筋:d8@200豎向配筋:d8@200荷載分項(xiàng)系數(shù):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)10.00-1.005.7x0.174160.0(構(gòu)造)251.3y0.381160.0(構(gòu)造)251.321.00-2.200.1x0.003160.0(構(gòu)造)251.3y0.004160.0(構(gòu)造)251.332.20-3.4021.4x1.078160.0(構(gòu)造)251.3y1.538160.0(構(gòu)造)251.343.40-4.0027.7x0.000160.0(構(gòu)造)251.3y1.248160.0(構(gòu)造)251.3[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=(22.500×2.000×33.296+0.000×46.124)/((38.510×2.038+92.020×4.000)/(2.038+4.000))=0.000 Ks=2.600＞1.6,抗隆起穩(wěn)定性滿足 BC、DE、FA段以ZK4鉆孔進(jìn)行計(jì)算驗(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：5.600(m)基坑內(nèi)地下水深度：10.000(m)基坑外地下水深度：10.000(m)[坡線參數(shù)]坡線段數(shù)1序號(hào)水平投影(m)豎向投影(m)傾角(°)12.8535.60063.0[土層參數(shù)]土層層數(shù)5層號(hào)土類名稱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雜填土2.00018.05.05.015.015.02粉土1.20018.920.017.040.040.03卵石0.70020.50.018.0100.0100.04卵石1.10022.50.035.0160.0160.05卵石4.00021.00.032.0120.0120.0[超載參數(shù)]超載數(shù)1序號(hào)超載類型超載值(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15.000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 土釘材料鋼筋序號(hào)水平間距(m)豎向間距(m)入射角度(度)鉆孔直徑(mm)長(zhǎng)度(m)配筋11.4001.00015.01306.0001E2221.4001.20015.01305.0001E2231.4001.20015.01304.0001E2241.4001.20015.01303.0001E22鋼筋類型對(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：總應(yīng)力法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)11.50034.0022.70035.61土釘6.00051.593152.05351.59331.9141.61733.90037.01土釘6.00047.484152.05347.48428.7261.6532土釘5.00092.197152.05392.1970.000999.00045.10039.81土釘6.00044.981152.05344.98126.9921.6662土釘5.00083.898152.05383.8980.000999.0003土釘4.000176.483152.053152.05368.1002.23355.60040.51土釘6.00043.875152.05343.87526.0451.6852土釘5.00080.565152.05380.5650.000999.0003土釘4.000167.194152.053152.05334.6214.3924土釘3.000138.203152.053138.20314.6209.453[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)11.50034.0022.70035.61土釘6.00089.893136.8481.52233.90037.01土釘6.00050.907136.8482.6882土釘5.0000.000136.848999.00045.10039.81土釘6.00046.240136.8482.9592土釘5.0000.000136.848999.0003土釘4.00085.125136.8481.60855.60040.51土釘6.00045.056136.8483.0372土釘5.0000.000136.848999.0003土釘4.00043.276136.8483.1624土釘3.00018.275136.8487.488[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)11.6191.2897.2503.25021.429-2.21312.92110.16131.3120.7725.7984.09941.577-1.9269.1468.91651.4301.1336.8966.989[噴射混凝土面層計(jì)算][計(jì)算參數(shù)]厚度：80(mm)混凝土強(qiáng)度等級(jí):C20配筋計(jì)算as:15(mm)水平配筋:d8@200豎向配筋:d8@200荷載分項(xiàng)系數(shù):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)10.00-1.008.2x0.248160.0(構(gòu)造)251.3y0.543160.0(構(gòu)造)251.321.00-2.2021.9x1.103160.0(構(gòu)造)251.3y1.574160.0(構(gòu)造)251.332.20-3.4010.6x0.532160.0(構(gòu)造)251.3y0.759160.0(構(gòu)造)251.343.40-4.6037.8x1.903160.0(構(gòu)造)251.3y2.716160.0(構(gòu)造)251.354.60-5.6038.7x1.175160.0(構(gòu)造)251.3y2.571160.0(構(gòu)造)251.3[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=(21.000×2.000×23.177+2.000×35.490)/((55.190×2.853+120.380×5.600)/(2.853+5.600))=0.000 Ks=11.400＞1.6,抗隆起穩(wěn)定性滿足 CD段以ZK52鉆孔進(jìn)行計(jì)算驗(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：7.500(m)基坑內(nèi)地下水深度：10.000(m)基坑外地下水深度：10.000(m)[坡線參數(shù)]坡線段數(shù)1序號(hào)水平投影(m)豎向投影(m)傾角(°)13.8217.50063.0[土層參數(shù)]土層層數(shù)5層號(hào)土類名稱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雜填土1.00018.05.05.015.015.02粉土2.20018.920.017.040.040.03卵石1.10020.50.018.0100.0100.04卵石1.90022.50.035.0160.0160.05卵石5.05021.08.00.032.0120.0120.0分算[超載參數(shù)]超載數(shù)1序號(hào)超載類型超載值(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15.000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 土釘材料鋼筋序號(hào)水平間距(m)豎向間距(m)入射角度(度)鉆孔直徑(mm)長(zhǎng)度(m)配筋11.4001.00015.01308.0001E2221.4001.40015.01307.0001E2231.4001.40015.01306.0001E2241.4001.40015.01306.0001E2251.4001.40015.01305.0001E22鋼筋類型對(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：總應(yīng)力法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)11.50036.0022.90037.91土釘8.000112.192152.053112.19265.3871.71634.30038.71土釘8.00099.848152.05399.84845.8092.1802土釘7.000192.385152.053152.05312.59812.07045.70041.31土釘8.00092.295152.05392.29549.8711.8512土釘7.000183.185152.053152.0536.17124.6393土釘6.000305.928152.053152.05388.8941.71057.10042.61土釘8.00084.495152.05384.49546.5971.8132土釘7.000174.550152.053152.0535.83426.0643土釘6.000282.255152.053152.05365.6092.3184土釘6.000299.617152.053152.05352.5342.89467.50042.91土釘8.00082.211152.05382.21145.9451.7892土釘7.000172.105152.053152.0535.76726.3683土釘6.000275.742152.053152.05364.8532.3454土釘6.000288.555152.053152.05327.9625.4385土釘5.000224.907152.053152.05317.9108.490[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)11.50036.0022.90037.91土釘8.00084.233136.8481.62534.30038.71土釘8.00082.261136.8481.6642土釘7.00015.747136.8488.69045.70041.31土釘8.00074.839136.8481.8292土釘7.0007.714136.84817.7403土釘6.00061.118136.8482.23957.10042.61土釘8.00070.747136.8481.9342土釘7.0007.292136.84818.7663土釘6.00082.011136.8481.6694土釘6.00065.668136.8482.08467.50042.91土釘8.00069.931136.8481.9572土釘7.0007.208136.84818.9853土釘6.00081.066136.8481.6884土釘6.00034.952136.8483.9155土釘5.00022.388136.8486.113[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)11.4270.28715.0509.06922.1001.9969.2884.70131.5861.4347.3934.19841.664-1.0938.6077.09751.5851.9089.8319.58461.6052.0007.7508.004[噴射混凝土面層計(jì)算][計(jì)算參數(shù)]厚度：80(mm)混凝土強(qiáng)度等級(jí):C20配筋計(jì)算as:15(mm)水平配筋:d8@200豎向配筋:d8@200荷載分項(xiàng)系數(shù):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)10.00-1.0013.2x0.400160.0(構(gòu)造)251.3y0.877160.0(構(gòu)造)251.321.00-2.400.4x0.026160.0(構(gòu)造)251.3y0.026160.0(構(gòu)造)251.332.40-3.8026.8x1.932160.0(構(gòu)造)251.3y1.932160.0(構(gòu)造)251.343.80-5.2043.2x3.119185.1251.3y3.119185.1251.355.20-6.6045.1x3.250193.3251.3y3.250193.3251.366.60-7.5058.2x1.266160.0(構(gòu)造)251.3y3.580213.9251.3[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=(21.000×2.000×23.177+2.000×35.490)/((76.090×3.821+167.180×7.500)/(3.821+7.500))=0.000 Ks=6.500＞1.6,抗隆起穩(wěn)定性滿足 EF段以ZK9鉆孔進(jìn)行計(jì)算驗(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：4.700(m)基坑內(nèi)地下水深度：10.000(m)基坑外地下水深度：10.000(m)[坡線參數(shù)]坡線段數(shù)1序號(hào)水平投影(m)豎向投影(m)傾角(°)12.3954.70063.0[土層參數(shù)]土層層數(shù)5層號(hào)土類名稱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雜填土0.90018.05.05.015.015.02粉土2.00018.920.017.040.040.03卵石0.70020.50.018.0100.0100.04卵石0.90021.00.032.0120.0120.05卵石2.55022.50.035.0160.0160.0[超載參數(shù)]超載數(shù)1序號(hào)超載類型超載值(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15.000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)3 土釘材料鋼筋序號(hào)水平間距(m)豎向間距(m)入射角度(度)鉆孔直徑(mm)長(zhǎng)度(m)配筋11.4001.00015.01305.0001E2221.4001.40015.01304.0001E2231.4001.40015.01303.0001E22鋼筋類型對(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：總應(yīng)力法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)11.50036.4022.90038.11土釘5.00063.376152.05363.3760.000999.00034.30040.01土釘5.00052.893152.05352.8930.000999.0002土釘4.00099.449152.05399.4499.37910.60444.70040.71土釘5.00050.597152.05350.5970.000999.0002土釘4.00096.701152.05396.7014.91719.6683土釘3.000129.169152.053129.16919.6666.568[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)11.50036.4022.90038.11土釘5.0000.000136.848999.00034.30040.01土釘5.0000.000136.848999.0002土釘4.00011.723136.84811.67344.70040.71土釘5.0000.000136.848999.0002土釘4.0006.146136.84822.2673土釘3.00024.582136.8485.567[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)11.819-0.2407.2234.05621.6251.7223.9692.31431.339-0.5566.3415.98941.5360.1557.3317.333[噴射混凝土面層計(jì)算][計(jì)算參數(shù)]厚度：80(mm)混凝土強(qiáng)度等級(jí):C20配筋計(jì)算as:15(mm)水平配筋:d8@200豎向配筋:d8@200荷載分項(xiàng)系數(shù):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)10.00-1.0011.1x0.336160.0(構(gòu)造)251.3y0.735160.0(構(gòu)造)251.321.00-2.400.4x0.027160.0(構(gòu)造)