噴錨支護(hù)驗(yàn)算書

噴錨支護(hù)計(jì)算書（深度5.2米）[驗(yàn)算簡圖]----------------------------------------------------------------------[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》JGJ120-99基坑深度：5.200(m)基坑內(nèi)地下水深度：8.000(m)基坑外地下水深度：8.000(m)基坑側(cè)壁重要性系數(shù)：1.000土釘荷載分項(xiàng)系數(shù)：1.250土釘抗拉抗力分項(xiàng)系數(shù)：1.300整體滑動分項(xiàng)系數(shù)：1.300[坡線參數(shù)]坡線段數(shù)1序號水平投影(m)豎向投影(m)傾角(°)11.3935.20075.0[土層參數(shù)]土層層數(shù)4序號土類型土層厚容重飽和容重粘聚力內(nèi)摩擦角釘土摩阻力錨桿土摩阻力水土(m)(kN/m^3)(kN/m^3)(kPa)(度)(kPa)(kPa)1雜填土0.60018.020.08.05.020.020.0合算2素填土0.50019.018.031.715.220.020.0分算3粘性土1.70019.022.022.314.065.065.0分算4卵石6.00021.021.00.030.0220.0220.0分算[超載參數(shù)]超載數(shù)2序號超載類型超載值(kN/m)作用深度(m)作用寬度(m)距坑邊線距離(m)形式長度(m)1局部均布10.0000.00010.0001.507條形2局部均布75.0004.20010.0000.457條形[土釘參數(shù)]土釘?shù)罃?shù)3序號水平間距(m)垂直間距(m)入射角度(度)鉆孔直徑(mm)長度(m)配筋11.5001.40015.0806.0001d2021.5001.40015.0804.5001d2531.5001.40015.0803.0001d28[花管參數(shù)]基坑內(nèi)側(cè)花管排數(shù)0基坑內(nèi)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][內(nèi)部穩(wěn)定驗(yàn)算條件]考慮地下水作用的計(jì)算方法：總應(yīng)力法土釘拉力在滑面上產(chǎn)生的阻力的折減系數(shù)：0.500*******************************************************************[驗(yàn)算結(jié)果]*******************************************************************[局部抗拉驗(yàn)算結(jié)果]工況開挖深度破裂角土釘號土釘長度受拉荷載標(biāo)準(zhǔn)值抗拔承載力設(shè)計(jì)值抗拉承載力設(shè)計(jì)值滿足系數(shù)(m)(度)(m)Tjk(kN)Tuj(kN)Tuj(kN)抗拔抗拉11.60043.0023.00044.216.0004.780.766.013.78911.27234.40046.916.0000.072.266.0999.000999.00024.50016.8153.7103.17.3084.90145.20047.716.0000.067.666.0999.000999.00024.50016.6136.9103.16.6104.97633.00055.1104.9129.31.5231.877[內(nèi)部穩(wěn)定驗(yàn)算結(jié)果]工況號安全系數(shù)圓心坐標(biāo)x(m)圓心坐標(biāo)y(m)半徑(m)13.544-0.5047.4864.15422.143-0.8858.3326.30731.727-2.7027.4697.27941.3870.3743.2503.271基坑放坡驗(yàn)算書書（深度66.4米）天然放坡支護(hù)--------------------------------------------------------------------------------------[基本信息]--------------------------------------------------------------------------------------規(guī)范與規(guī)程《建筑基坑支護(hù)護(hù)技術(shù)規(guī)程程》JGGJ1220-999基坑等級二級基坑側(cè)壁重要性性系數(shù)γ01.00基坑深度H(mm)6.400放坡級數(shù)1超載個數(shù)1--------------------------------------------------------------------------------------[放坡信息]--------------------------------------------------------------------------------------坡號臺寬(m)坡高(m)坡度系數(shù)10.0006.4000.670--------------------------------------------------------------------------------------[超載信息]--------------------------------------------------------------------------------------超載類型超載值作用深度作用寬度距坑邊距形式長度序號(kPa,kN//m)(m)(m)(m)(m)110.0000.00010.0006.000--------------------------------------------------------------------------------------------[土層信息]--------------------------------------------------------------------------------------土層數(shù)4坑內(nèi)加固土否內(nèi)側(cè)降水最終深深度(m)8.000外側(cè)水位深度((m)8.000--------------------------------------------------------------------------------------[土層參數(shù)]--------------------------------------------------------------------------------------層號土類名稱層厚重度浮重度粘聚力內(nèi)摩擦角粘聚力內(nèi)摩擦角(m)(kN/m3)(kN/m3)(kPa)(度)水下(kPa))水下(度)1素填土1.5019.0---31.7015.20------2粘性土1.5019.0---22.3014.00------3粉土1.0018.8---11.109.50------4卵石3.0021.0---0.0030.00--------------------------------------------------------------------------------------------[設(shè)計(jì)結(jié)果]----------------------------------------------------------------------------------------------------------------------------------------------------------------------------[整體穩(wěn)定驗(yàn)驗(yàn)算]--------------------------------------------------------------------------------