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1、----------------------------------------------------------------------驗(yàn)算項(xiàng)目:D-E-A段土釘墻----------------------------------------------------------------------[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：11.300(m)基坑內(nèi)地下水深度：20.000(m)基坑外地下水深度：20.000(m)基坑側(cè)壁重要性系數(shù)：1.100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)3序號(hào)水平投影(m)豎向投影(m)傾角(°)12.2005.50068.220.8000.0000.032.3205.80068.2[土層參數(shù)]土層層數(shù)8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
3、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1.50015.020.08.010.020.020.0合算2素填土1.00018.018.018.016.020.020.0分算3中砂2.50020.518.00.030.060.060.0分算4稍密卵石0.60021.018.05.038.090.090.0分算5密實(shí)卵石2.60023.018.010.050.0150.0150.0分算6稍密卵石1.30021.018.05.038.090.090.0分算7中密卵石1.50022.018.05.045
4、.0120.0120.0分算8密實(shí)卵石6.00023.018.010.050.0150.0150.0分算[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10.000[土釘參數(shù)]土釘?shù)罃?shù)8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11.4001.00020.0508.0001D1421.4001.40020.0508.0001D1831.4001.40020.0506.0001D2241.4001.40020.0505.0001D1451.4001.40
5、020.0505.0001D1261.4001.40020.0505.0001D1271.4001.40020.0505.0001D1681.4001.40020.0503.0001D14[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)：0.900*******************************************************************[驗(yàn)算結(jié)果]********************
6、***********************************************[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11.50039.1022.90041.518.00010.734.346.22.3263.13434.30044.018.0003.632.946.26.5539.20328.0009.952.776.33.8875.63345.70045.818.0003.431.746.26.6919.
7、74828.0009.348.776.33.8065.96736.00029.351.7114.01.2832.83157.10048.518.0003.132.646.27.55710.70928.0008.550.876.34.3606.55536.00026.753.2114.01.4503.11045.00022.481.146.22.6321.50068.50050.018.0002.931.946.27.88611.42228.0007.948.376.34.4266.99136.00025.050.4114.01.4663.31745.000
8、21.076.446.22.6461.60055.0000.076
