1/141-1剖面基坑支护设计----------------------------------------------------------------------[支护方案]----------------------------------------------------------------------b5E2RGbCAP排桩支护----------------------------------------------------------------------p1EanqFDPw[基本信息]----------------------------------------------------------------------DXDiTa9E3d内力计算方法增量法规范与规程《建筑基坑支护技术规程》JGJ120-99基坑等级一级基坑侧壁重要性系数γ01.10基坑深度H(m)12.100嵌固深度(m)3.500桩顶标高(m)-4.900桩截面类型圆形└桩直径(m)0.800桩间距(m)1.500混凝土强度等级C25有无冠梁有├冠梁宽度(m)0.800├冠梁高度(m)0.500└水平侧向刚度(MN/m)3.186放坡级数2超载个数2支护结构上的水平集中力02/14----------------------------------------------------------------------RTCrpUDGiT[放坡信息]----------------------------------------------------------------------5PCzVD7HxA坡号台宽(m)坡高(m)坡度系数110.0004.3900.30020.2000.5101.000----------------------------------------------------------------------jLBHrnAILg[超载信息]----------------------------------------------------------------------xHAQX74J0X超载类型超载值作用深度作用宽度距坑边距形式长度序号(kPa,kN/m)(m)(m)(m)(m)120.0000.00010.00014.000------215.0004.3908.0001.700----------------------------------------------------------------------------LDAYtRyKfE[附加水平力信息]----------------------------------------------------------------------Zzz6ZB2Ltk水平力作用类型水平力值作用深度是否参与是否参与序号(kN)(m)倾覆稳定整体稳定----------------------------------------------------------------------dvzfvkwMI1[土层信息]----------------------------------------------------------------------rqyn14ZNXI土层数10坑内加固土否内侧降水最终深度(m)13.000外侧水位深度(m)8.000内侧水位是否随开挖过程变化是内侧水位距开挖面距离(m)1.000弹性计算方法按土层指定ㄨ弹性法计算方法m法----------------------------------------------------------------------EmxvxOtOco[土层参数]----------------------------------------------------------------------SixE2yXPq5层号土类名称层厚重度浮重度粘聚力内摩擦角(m)(kN/m3)(kN/m3)(kPa)(度)1杂填土0.9018.0---5.0010.002素填土1.5018.0---11.0028.003粘性土0.6020.0---24.0012.004粉土2.1020.0---15.0028.005粘性土0.6020.0---24.0012.006细砂1.7020.0---0.0032.007卵石4.2020.010.00.0040.008细砂1.1020.010.00.0032.009粉土2.4020.010.010.0015.0010粘性土6.9020.010.0------3/14层号与锚固体摩粘聚力内摩擦角水土计算方法m,c,K值抗剪强度擦阻力(kPa)水下(kPa)水下(度)(kPa)125.0---------m法1.50---235.0---------m法13.98---350.0---------m法4.08---460.0---------m法14.38---550.0---------m法4.08---690.0---------m法17.28---7180.00.0040.00分算m法28.00---890.00.0032.00分算m法17.28---965.015.0028.00合算m法14.38---1055.028.0018.00合算m法7.48-------------------------------------------------------------------------6ewMyirQFL[支锚信息]----------------------------------------------------------------------kavU42VRUs支锚道数1支锚支锚类型水平间距竖向间距入射角总长锚固段道号(m)(m)(°)(m)长度(m)1锚索1.5005.15015.0018.0013.00支锚预加力支锚刚度锚固体工况锚固力材料抗力材料抗力道号(kN)(MN/m)直径(mm)号调整系数(kN)调整系数1250.0013.661502~1.00554.401.00----------------------------------------------------------------------y6v3ALoS89[土压力模型及系数调整]----------------------------------------------------------------------M2ub6vSTnP弹性法土压力模型:经典法土压力模型:层号土类名称水土水压力主动土压力被动土压力被动土压力调整系数调整系数调整系数最大值(kPa)1杂填土分算1.0001.0001.00010000.0002素填土分算1.0001.0001.00010000.0004/143粘性土分算1.0001.0001.00010000.0004粉土分算1.0001.0001.00010000.0005粘性土分算1.0001.0001.00010000.0006细砂分算1.0001.0001.00010000.0007卵石分算1.0001.0001.00010000.0008细砂分算1.0001.0001.00010000.0009粉土合算1.0001.0001.00010000.00010粘性土合算1.0001.0001.00010000.000----------------------------------------------------------------------0YujCfmUCw[工况信息]----------------------------------------------------------------------eUts8ZQVRd工况工况深度支锚号类型(m)道号1开挖5.650---2加撑---1.锚索3开挖12.100-------------------------------------------------------------------------sQsAEJkW5T[设计结果]----------------------------------------------------------------------GMsIasNXkA----------------------------------------------------------------------TIrRGchYzg[结构计算]----------------------------------------------------------------------7EqZcWLZNX各工况:5/14内力位移包络图: