基坑支护计算书

验算项目：IT(验算简图］［验算条件］［基本参数〕2粘性土2.10019.0--15.016.060.060.0所依据的规程或方法：《建筑基坑支护技术规程》JGJ120-2012基坑深度：基坑内地下水深度：基坑外地下水深度；基坑侧壁垂要性系数：士钉荷我分项系数：土钉抗拔安全系数：整体滑动分项系数：［坡线参数］坡线段数3序号水平投影(m)竖向投影(m)11.2743.50020.5000.00032.1003.500［土层参数］土层层数3层号土类名称层用重度倾角(°)70.00.059.0浮重度粘聚力000(m)000(m)000(m)1.0001.2501.6001.300内摩擦角与锚固体摩阻力与土钉摩阻力水上(m)(kN/m"3)(kN/m'3)(kPa)(度)(kPa)(kPa)1朵填土0.30018.0—5.010.018.018.03粘性土8.10019.59.520.022.080.080.0分算［超载参数］超载数1序号超载类型超载值(kWm)作用深度(m)作用宽度(m)距坑边线距离(m)形式长度(m)1满布均布20.000土钉道数3序号水平间距(m)垂直间距(m)入射角度(度)钻孔直径(胸)长度(m)配筋11.6001.70010.01109.0001E2221.6001.70010.01109.0001E2231.6001.70010.01106.0001E22［花管参数］基坑内侧花管排数0基坑内侧花管排数0［锚杆参数］锚杆道数0［坑内土不加固］*******************求***********************************************［验算结果］********************************东**********************************［局部抗拉验算结果］工况开挖深度破裂角支铺号支锚长度受拉荷载标准值抗拔承载力标准值抗拉承载力标准值安全系数1(m)2.000(度)(m)Nkj(kN)Rkj(kN)Rkj(kN)抗拔抗拉37.1023.70043.819.00048.4213.3152.14.4073.14235.40044.519.00028.7194.3152.16.7665.29529.00016.9230.2152.113.6008.98447.00044.819.00028.2176.7152.16.2605.38729.00013.0206.2152.115.81011.65736.00044.4136.8152.13.0843.428［内部稳定验算结果］匚况号安全系数圆心坐标x(m)圆心坐标y(m)半径(m)11.4133.6198.7662.06722.0091.3228.3655.0678.0166.8.0166.4269.0259.02880(mm)C2015(mm)d6©200d66200151.25031.8260.23841.5430.202（喷射混凝土面层计算］［计算参数］厚度：混凝土强度等级:配筋计算as:水平配筋：竖向配筋：配筋计算as:荷载分项系数：［计算结果］编号深度范围荷载值（kPa）轴向M(kN.m)As(mm2)实配As(mm2)10.001.703.3x0.354160.0（构造）141.4y0.308160.0（构造）141.421.703.4010.8x1.153160.0（构造）141.4y1.001160.0（构造）141.433.405.101.2x0.126160.0(构造)141.4y0.110160.0（构造）141.445.107.00