M5路東段邊坡支護(hù)計算書

PAGEPAGE7目錄886蔡家組團(tuán)M標(biāo)準(zhǔn)分區(qū)M5路東段 021647邊坡支護(hù)計算書 0241651.設(shè)計資料 2195052.設(shè)計依據(jù) 263563.邊坡穩(wěn)定性驗算 223063.1.土質(zhì)挖方邊坡圓弧滑動穩(wěn)定性驗算 3116833.2.巖質(zhì)挖方邊坡穩(wěn)定性驗算 8蔡家組團(tuán)M標(biāo)準(zhǔn)分區(qū)M5路東段邊坡支護(hù)計算書設(shè)計資料蔡家組團(tuán)M標(biāo)準(zhǔn)分區(qū)M5路東段位于蔡家組團(tuán)M標(biāo)準(zhǔn)分區(qū)，在縱一路、縱二路、快速路一橫線和橫四路合圍的區(qū)域，總體為東西走向，道路全長400.931m，雙向兩車道，標(biāo)準(zhǔn)路幅寬度為16m，道路等級為城市支路，設(shè)計車速30km/h。根據(jù)道路設(shè)計，本工程在M5路東段道路樁號K0+080.000~K0+188.000左側(cè)、K0+080.000~K0+188.000右側(cè)、K0+231.300~K0+270.000右側(cè)產(chǎn)生高邊坡，均為挖方邊坡，邊坡最大高度約為14.0m。。根據(jù)邊坡放坡條件的不同，邊坡主要采用坡率法放坡進(jìn)行處理。設(shè)計依據(jù)《建筑邊坡工程技術(shù)規(guī)范》（GB50330-2013）《公路路基設(shè)計規(guī)范》（JTGD30-2015）《混凝土結(jié)構(gòu)設(shè)計規(guī)范》（GB50010-20102015年版）《建筑地基處理技術(shù)規(guī)范》（JGJ79-2012）《關(guān)于進(jìn)一步加強(qiáng)全市高切坡、深基坑和高填方項目勘察設(shè)計管理的意見》(渝建發(fā)（2010）166號)邊坡穩(wěn)定性驗算土質(zhì)挖方邊坡圓弧滑動穩(wěn)定性驗算本項目土質(zhì)挖方邊坡最大高度約為13m，土質(zhì)挖方邊坡采用1:2坡率法放坡，每8m設(shè)置一級平臺，平臺寬2m。本次計算按邊坡最大高度13m進(jìn)行驗算。[計算簡圖][控制參數(shù)]:采用規(guī)范: 通用方法計算目標(biāo): 安全系數(shù)計算滑裂面形狀:圓弧滑動法不考慮地震[坡面信息]坡面線段數(shù)4坡面線號水平投影(m)豎直投影(m)超載數(shù)116.0008.000022.0000.0000312.0006.0000410.0000.0001超載1距離0.100(m)寬10.000(m)荷載(5.00--5.00kPa)270.00(度)[土層信息]上部土層數(shù)1層號層厚重度飽和重度粘結(jié)強(qiáng)度孔隙水壓(m)(kN/m3)(kN/m3)(kPa)力系數(shù)114.00020.50040.000層號粘聚力內(nèi)摩擦角水下粘聚水下內(nèi)摩(kPa)(度)力(kPa)擦角(度)15.00025.000層號十字板τ強(qiáng)度增十字板τ水強(qiáng)度增長系(kPa)長系數(shù)下值(kPa)數(shù)水下值1============================================================下部土層數(shù)1層號層厚重度飽和重度粘結(jié)強(qiáng)度孔隙水壓(m)(kN/m3)(kN/m3)(kPa)力系數(shù)15.00020.50040.000層號粘聚力內(nèi)摩擦角水下粘聚水下內(nèi)摩(kPa)(度)力(kPa)擦角(度)15.00025.000層號十字板τ強(qiáng)度增十字板τ水強(qiáng)度增長系(kPa)長系數(shù)下值(kPa)數(shù)水下值1[計算條件]圓弧穩(wěn)定分析方法:Bishop法穩(wěn)定計算目標(biāo):自動搜索最危險滑裂面條分法的土條寬度:1.000(m)搜索時的圓心步長:1.000(m)搜索時的半徑步長:0.500(m)計算結(jié)果:[計算結(jié)果圖]最不利滑動面:滑動圓心=(1.378,40.840)(m)滑動半徑=40.863(m)滑動安全系數(shù)=1.362起始x終止xαliCiΦi條實重浮力地震力滲透力附加力X附加力Y下滑力抗滑力mθi超載豎向地震力地震力(m)(m)(度)(m)(kPa)(度)(kN)(kN)(kN)(kN)(kN)(kN)(kN)(kN)(kN)(kN)0.0001.378-0.9661.3785.00025.0010.060.000.000.000.000.00-0.1711.650.994080.000.001.3782.3530.6830.9755.00025.0018.990.000.000.000.000.000.2313.671.004010.000.002.3533.3282.0510.9755.00025.0028.290.000.000.000.000.001.0117.861.011610.000.003.3284.3033.4190.9775.00025.0037.070.000.000.000.000.002.2121.761.018640.000.004.3035.2774.7900.9785.00025.0045.410.000.000.000.000.003.7925.411.025100.000.005.2776.2526.1630.9805.00025.0053.290.000.000.000.000.005.7228.831.030980.000.006.2527.2277.5400.9835.00025.0060.680.000.000.000.000.007.9632.011.036280.000.007.2278.2028.9210.9875.00025.0067.610.000.000.000.000.0010.4834.971.041000.000.008.2029.17610.3070.9915.00025.0074.050.000.000.000.000.0013.2537.701.045130.000.009.17610.15111.7000.9955.00025.0080.000.000.000.000.000.0016.2240.221.048660.000.0010.15111.12613.0991.0015.00025.0085.450.000.000.000.000.0019.3742.531.051580.000.0011.12612.10114.5071.0075.00025.0090.410.000.000.000.000.0022.6544.631.053890.000.0012.10113.07615.9231.0145.00025.0094.850.000.000.000.000.0026.0246.521.055570.000.0013.07614.05017.3501.0215.00025.0098.770.000.000.000.000.0029.4548.201.056610.000.0014.05015.02518.7881.0305.00025.00102.150.000.000.000.000.0032.9049.681.057000.000.0015.02516.00020.2381.0395.00025.00104.990.000.000.000.000.0036.3250.941.056710.000.0016.00017.00021.7211.0765.00025.00104.930.000.000.000.000.0038.8351.081.055720.000.0017.00018.00023.2391.0885.00025.0096.440.000.000.000.000.0038.0547.411.053970.000.0018.00019.00024.7741.1015.00025.0092.440.000.000.000.000.0038.7345.751.051460.000.0019.00020.00026.3281.1165.00025.0092.880.000.000.000.000.0041.2046.091.048140.000.0020.00021.00027.9041.1325.00025.0092.630.000.000.000.000.0043.3546.171.043980.000.0021.00022.00029.5031.1495.00025.0091.660.000.000.000.000.0045.1445.951.038960.000.0022.00023.00031.1271.1685.00025.0089.920.000.000.000.000.0046.4845.431.033030.000.0023.00024.00032.7801.1895.00025.0087.380.000.000.000.000.0047.3144.581.026150.000.0024.00025.00034.4651.2135.00025.0083.990.000.000.000.000.0047.5343.371.018250.000.0025.00026.00036.1841.2395.00025.0079.710.000.000.000.000.0047.0641.781.009290.000.0026.00027.00037.9411.2685.00025.0074.470.000.000.000.000.0045.7939.760.999180.000.0027.00028.00039.7421.3015.00025.0068.200.000.000.000.000.0043.6137.260.987850.000.0028.00029.00041.5911.3375.00025.0060.830.000.000.000.000.0040.3834.220.975200.000.0029.00030.00043.4951.3795.00025.0052.260.000.000.000.000.0