地下室抗浮、抗浮锚杆及抗拔桩计算

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,抗浮水头计算,,,,,,抗浮锚杆计算,,,,,,,,

,地下室高度（m）,位置,标高（m）,,,,锚固体直径(mm),150,锚杆长度(m),10,锚杆抗浮标准值(KN),,185.67,钢筋锚固长度(m),1.40

,13.1,±0.000,25.800,,,,抗拔承载力计算,,,,,,锚杆抗拉承载力计算,,

,底板厚度（mm）,抗浮水位,24.500,,,,土层代号,土层名,极限粘结强度标准值frbk（kPa）,抗拔系数λ,土层厚度,抗拔极限承载力标准值Rk(KN),锚杆间距,,≥1.5m

,600,地下室底板板顶标高,12.700,,,,④,粉质粘土,35,0.7,0,0.00,钢筋强度,,HRB400

,抗浮水头（m）,地下室底板底部,12.100,,,,⑤,粉质粘土,55,0.7,0,0.00,钢筋直径,,22

,12.400,柱网（m）,8.4,×,8.4,,⑤-1,姜石,70,0.5,0,0.00,钢筋根数,,3

,水浮力（KN/㎡）,柱底恒载轴力（KN）,3200,,,,⑥,残积土,55,0.7,5,90.71,锚杆类型,,永久型

,124,结构自重（KN/㎡）,62.351,,,,⑦,全风化辉长岩,100,0.6,2.5,161.40,抗拉安全系数,,1.35

,锚杆抗浮标准值(KN),锚杆承受水浮力（KN）,4787.392,,,,⑦,全风化辉长岩,100,0.6,2.5,232.09,轴向拉力设计值Nd(KN),,407.60

,185.668,锚杆根数,26,,,,经验系数,,0.8,锚固抗拔设计值Rt(KN),,185.67,锚固抗拔设计值Rt(KN),,301.93

,,,,,,,锚固段长度计算,,,,,,,,

,土层参数表,,,,,,水泥浆或水泥砂浆强度,,,,C30,钢筋与砂浆粘结强度工作条件系数,,,0.6

,层序,土层名称,抗浮桩（泥浆护壁钻孔桩）,,抗浮锚杆,,锚固段注浆体与筋体间粘结强度设计值(MPa),,,,2.4,计算锚固段长度(m),,,1.4

,,,极限侧阻力标准值qsik（kPa）,λ,极限粘结强度标准值frbk（kPa）,,,,,,,,,,

,②,粘土,35,0.7,25,,抗拔桩计算,,,,,,,,

,③,粉质粘土,32,0.7,22,,桩径(mm),600,桩长度(m),10,抗拔承载力特征值(KN),,539.10,,

,④,粉质粘土,45,0.7,35,,抗拔承载力计算,,,,,,配筋计算,,

,④-1,碎石,90,0.5,90,,土层代号,土层名,极限粘结强度标准值frbk（kPa）,抗拔系数λ,土层厚度,抗拔极限承载力标准值Rk(KN),钢筋强度,,HRB335

,⑤,粉质粘土,75,0.7,55,,④,粉质粘土,45,0.7,0,0.00,钢筋直径,,22

,⑤-1,姜石,80,0.5,70,,⑤,粉质粘土,75,0.7,0,0.00,钢筋根数,,10

,⑥,残积土,70,0.7,55,,⑤-1,姜石,80,0.5,5,376.99,正截面抗拉承载力（KN）,,2090.73

,⑦,全风化辉长岩,110,0.6,100,,⑥,残积土,70,0.7,0,376.99,是否满足,,满足

,,,,,,,⑦,全风化辉长岩,110,0.6,5,999.03,,,

,,,,,,,⑦,全风化辉长岩,110,0.6,0,999.03,裂缝计算,,

,,,,,,,桩自重(KN),,39.58,抗拔承载力特征值(KN),,539.10,混凝土强度,,C30

,,,,,,,,,,,,,等效应力σs,,141.82

,,,,,,,,,,,,,应变不均匀系数ψ,,0.4