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1、。。。。?;又ёo(hù)設(shè)計(jì)計(jì)算書2012年4月30日----------------------------------------------------------------------驗(yàn)算項(xiàng)目:1-1剖面設(shè)計(jì)驗(yàn)算----------------------------------------------------------------------[驗(yàn)算簡圖]----------------------------------------------------------------------[驗(yàn)算條件]------------------------
2、----------------------------------------------[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:7.700(m)基坑內(nèi)地下水深度:8.000(m)基坑外地下水深度:3.000(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(dòng)分項(xiàng)系數(shù):1.300[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(°)15.0007.70057.0[土層參數(shù)]土層層數(shù)2序號(hào)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)
3、(kN/m^3)(kN/m^3)(kPa)(度)(kPa)(kPa)611粘性土3.00019.019.026.015.040.040.0合算2粘性土11.80019.519.530.020.050.050.0合算[超載參數(shù)]超載數(shù)1序號(hào)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滿布均布15.000[土釘參數(shù)]土釘?shù)罃?shù)5序號(hào)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11.2001.40015.011012.0001D2221.2001.40015.011012.0001D2231.200
4、1.40015.011012.0001D2241.2001.40015.01109.0001D2251.2001.40015.01109.0001D22[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]*****************************************
5、**************************[局部抗拉驗(yàn)算結(jié)果]工況開挖深度破裂角土釘號(hào)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11.90036.0023.30036.2112.0000.2132.1114.0660.967570.58234.70036.9112.0000.0124.8114.0999.000999.000212.0000.2146.3114.0757.977590.63746.10037.3112.0000.0117.6114.0999.0009
6、99.000212.0000.2137.2114.0724.299602.148312.0003.8146.6114.030.99624.10457.50037.5112.0000.0110.5114.0999.000999.000212.0000.1128.2114.0685.074609.615312.0003.7137.5114.029.42224.40349.00013.8107.0114.06.1816.59067.70037.5112.0000.0109.5114.0999.000999.000212.0000.1126.9114.0679.1846
7、10.473312.0003.7136.2114.029.18624.43849.00013.8105.6114.06.1146.60059.00024.0115.0114.03.8293.798[內(nèi)部穩(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)12.7683.6619.2843.48622.8352.05211.0586.70632.6690.63210.8617.97042.411-1.02412.60211.19452.194-2.41212.40012.46262.350-2.00111.44911.622[外部穩(wěn)定計(jì)算參數(shù)]所
8、依據(jù)的規(guī)程:《建筑地基基