房屋改扩建项目基坑支护工程计算书

PAGE1房屋改扩建项目基坑支护工程计算书35091B~B1段抗滑桩桩计算 225652B1~C段抗滑桩桩计算 6291793B~B1段桩间板计算 1091784B1~C段桩间板计算 1140135基坑雨水流量计算 121B~B1段抗滑桩桩计算原始条件:墙身尺寸:桩总长:16.800(m)嵌入深度:12.000(m)截面形状:圆桩桩径:1.600(m)桩间距:3.000(m)嵌入段土层数:1桩底支承条件:自由计算方法:M法土层序号土层厚(m)重度(kN/m3)内摩擦角(度)土摩阻力(kPa)M(MN/m4)被动土压力调整系数120.00020.0000.0080.0010.0001.000初始弹性系数A:0.000(MN/m3)初始弹性系数A1:0.000(MN/m3)桩前滑动土层厚:0.000(m)锚杆（索）参数:锚杆道数:0锚杆号锚杆类型竖向间距水平刚度入射角锚固体水平预加筋浆强度(m)(MN/m)(度)直径(mm)力(kN)fb(kPa)物理参数:桩混凝土强度等级:C30桩纵筋合力点到外皮距离:130(mm)桩纵筋级别:HRB400桩箍筋级别:HRB400桩箍筋间距:150(mm)桩配筋形式:纵筋非均匀配筋桩拉区纵筋配筋范围:90.000(度)桩压区,拉区纵筋比:0.300场地环境:一般地区墙后填土内摩擦角:24.000(度)墙背与墙后填土摩擦角:0.000(度)墙后填土容重:21.000(kN/m3)横坡角以上填土的土摩阻力(kPa):80.00横坡角以下填土的土摩阻力(kPa):80.00坡线与滑坡推力:坡面线段数:3折线序号水平投影长(m)竖向投影长(m)12.1000.00020.0005.500330.0000.000地面横坡角度:0.000(度)墙顶标高:0.000(m)参数名称参数值推力分布类型三角形桩后剩余下滑力水平分力0.000(kN/m)桩前剩余抗滑力水平分力0.000(kN/m)钢筋混凝土配筋计算依据：《混凝土结构设计规范》(GB50010-2010)注意：内力计算时，库仑土压力分项(安全)系数=1.350,滑坡推力分项(安全)系数=1.350=====================================================================第2种情况:库仑土压力(一般情况)[土压力计算]计算高度为4.800(m)处的库仑主动土压力第1破裂角：41.670(度)Ea=338.610Ex=338.610Ey=0.000(kN)作用点高度Zy=1.310(m)(一)桩身内力计算计算方法:m法 背侧——为挡土侧；面侧——为非挡土侧。[锚杆内力标准值][桩内力设计值]点号距顶距离弯矩剪力位移土反力(m)(kN-m)(kN)(mm)(kPa)1-0.0000.0000.000-34.950.00020.3430.505-4.421-33.620.00030.6864.042-17.684-32.290.00041.02913.642-39.790-30.960.00051.37132.337-70.737-29.630.00061.71463.158-110.527-28.300.00072.057109.138-159.159-26.970.00082.400173.441-217.811-25.640.00092.743260.778-296.446-24.320.000103.086380.007-403.851-23.000.000113.429540.992-540.024-21.680.000123.771753.597-704.966-20.370.000134.1141027.685-898.678-19.070.000144.4571373.121-1121.158-17.780.000154.8001799.767-1372.408-16.51-0.000165.1432270.307-1351.422-15.26-52.102175.4862726.457-1291.828-14.04-93.964185.8293156.132-1200.211-12.85-126.160196.1713549.459-1082.858-11.70-138.845206.5143898.663-945.697-10.59-157.862216.8574197.937-794.251-9.53-164.400227.2004443.292-633.602-8.52-173.323237.5434632.406-468.356-7.56-173.323247.8864764.451-302.625-6.67-171.822258.2294839.921-140.016-5.82-165.157268.5714860.46116.373-5.04-154.380278.9144828.694163.941-4.32-140.382289.2574748.045300.576-3.65-132.442299.6004622.585424.621-3.05-115.175309.9434456.876534.853-2.50-96.6633110.2864255.829630.443-2.00-84.5563210.6294024.572710.916-1.56-67.9573310.9713768.343776.107-1.16-48.9683411.3143492.384826.118-0.81-30.5863511.6573201.862861.267-0.51-19.7213612.0002901.802882.044-0.24-4.7883712.3432597.032889.061-0.013.2403812.6862292.159883.0120.2018.3653913.0291991.538864.6260.3730.2344013.3711699.272834.6290.5240.8954113.7141419.221793.7120.6551.4634214.0571155.013742.4980.7661.8884314.400910.079681.5140.8572.1434414.743687.688611.1780.9480.7884515.086490.986531.7811.0289.4564615.429323.039443.4781.0995.6284715.771186.886346.2971.15104.7654816.11485.579240.1401.22114.0624916.45722.219124.8021.28123.6595016.8000.00032.4031.350.000(二)桩身配筋计算点号距顶距离面侧纵筋背侧纵筋箍筋(m)(mm2)(mm2)(mm2)10.0001206402120120.3431206402120130.6861206402120141.0291206402120151.3711206402120161.7141206402120172.0571206402120182.4001206402120192.74312064021201103.08612064021201113.42912064021201123.77112064021201134.11412064021201144.45712064021201154.80012064021201165.14314524839201175.48617555849201185.82920436812201196.17123107700201206.51425498496201216.85727559184201227.20029259750201237.543305710191201247.886314910498201258.229320210674201268.571321710724201278.914319410648201289.257313810460201299.600305010167201309.943293597832013110.286279593182013210.629263587852013310.971246082002013411.314227175712013511.657207569152013612.000187262412013712.343166955622013812.686146648882013913.029126842282014013.371120640212014113.714120640212014214.057120640212014314.400120640212014414.743120640212014515.086120640212014615.429120640212014715.771120640212014816.114120640212014916.457120640212015016.800120640212012B1~C段抗滑桩桩计算原始条件:墙身尺寸:桩总长:18.300(m)嵌入深度:12.000(m)截面形状:圆桩桩径:2.000(m)桩间距:3.000(m)嵌入段土层数:3桩底支承条件:自由计算方法:M法土层序号土层厚(m)重度(kN/m3)内摩擦角(度)土摩阻力(kPa)M(MN/m4)被动土压力调整系数112.00020.0000.0080.0010.0001.00021.40024.00015.00120.0050.0001.000310.00024.30032.00180.00180.0001.000初始弹性系数A:0.000(MN/m3)初始弹性系数A1:0.000(MN/m3)桩前滑动土层厚:0.000(m)锚杆（索）参数:锚杆道数:0锚杆号锚杆类型竖向间距水平刚度入射角锚固体水平预加筋浆强度(m)(MN/m)(度)直径(mm)力(kN)fb(kPa)物理参数:桩混凝土强度等级:C30桩纵筋合力点到外皮距离:130(mm)桩纵筋级别:HRB400桩箍筋级别:HRB400桩箍筋间距:150(mm)桩配筋形式:纵筋非均匀配筋桩拉区纵筋配筋范围:90.000(度)桩压区,拉区纵筋比:0.300场地环境:一般地区墙后填土内摩擦角:24.000(度)墙背与墙后填土摩擦角:0.000(度)墙后填土容重:21.000(kN/m3)横坡角以上填土的土摩阻力(kPa):80.00横坡角以下填土的土摩阻力(kPa):80.00坡线与滑坡推力:坡面线段数:3折线序号水平投影长(m)竖向投影长(m)12.1000.00020.0005.500330.0000.000地面横坡角度:0.000(度)墙顶标高:0.000(m)参数名称参数值推力分布类型三角形桩后剩余下滑力水平分力0.000(kN/m)桩前剩余抗滑力水平分力0.000(kN/m)钢筋混凝土配筋计算依据：《混凝土结构设计规范》(GB50010-2010)注意：内力计算时，库仑土压力分项(安全)系数=1.350,滑坡推力分项(安全)系数=1.350=====================================================================第2种情况:库仑土压力(一般情况)[土压力计算]计算高度为6.300(m)处的库仑主动土压力第1破裂角：39.942(度)Ea=480.043Ex=480.043Ey=0.000(kN)作用点高度Zy=1.812(m)(一)桩身内力计算计算方法:m法 背侧——为挡土侧；面侧——为非挡土侧。[锚杆内力标准值][桩内力设计值]点号距顶距离弯矩剪力位移土反力(m)(kN-m)(kN)(mm)(kPa)1-0.0000.0000.000-37.790.00020.3710.545-4.410-36.530.00030.7414.358-17.639-35.280.00041.11214.708-39.689-34.020.00051.48234.864-70.558-32.760.00061.85368.094-110.247-31.500.00072.224117.666-158.755-30.250.00082.594187.033-217.573-28.990.00092.965280.989-293.095-27.740.000103.335406.937-390.228-26.490.000113.706572.887-508.974-25.230.000124.076786.846-649.330-23.990.000134.4471056.825-811.298-22.740.000144.8181390.831-994.878-21.510.000155.1881796.874-1200.069-20.280.000165.5592282.964-1426.872-19.060.000175.9292857.108-1675.286-17.860.000186.3003527.316-1945.312-16.67-0.000196.6754256.808-1915.906-15.49-40.294207.0504964.246-1832.074-14.33-86.323217.4255630.864-1702.422-13.21-123.914227.8006241.062-1535.189-12.12-153.520238.1756782.255-1338.190-11.06-175.659248.5507244.705-1118.764-10.05-190.894258.9257621.329-883.738-9.07-199.831269.3007907.508-639.389-8.15-203.098279.6758100.871-391.430-7.27-202.8052810.0508201.081-144.995-6.44-198.7692910.4258209.61695.362-5.66-190.6603010.8008129.559325.651-4.92-185.2713111.1757965.378542.429-4.24-172.1923211.5507722.737742.770-3.60-156.5113311.9257408.301924.228-3.01-138.7413412.3007029.5661084.789-2.46-119.3423512.6756594.7091222.827-1.96-98.7093613.0506112.4461337.042-1.49-77.1733713.4255591.9281426.405-1.06-54.9943813.8005042.6431490.099-0.67-32.3623914.1754474.3541527.455-0.30-9.3944014.5503897.0511537.8940.045.1974114.9253320.9331520.8690.3527.5914215.3002756.3991475.8130.6549.3094315.6752214.0731402.0860.9385.7154416.0501704.8351298.9371.20110.7534516.4251239.8701165.4721.45136.6154616.800830.7311000.6261.70163.4964717.175489.401803.1541.94191.5894817.550228.365571.6362.19221.0604917.92560.674304.4872.42252.0325018.3000.00080.8992.660.000(二)桩身配筋计算点号距顶距离面侧纵筋背侧纵筋箍筋(m)(mm2)(mm2)(mm2)10.0001885628325220.3711885628325230.7411885628325241.1121885628325251.4821885628325261.8531885628325272.2241885628325282.5941885628325292.96518856283252103.33518856283252113.70618856283252124.07618856283252134.44718856283252144.81818856283252155.18818856283252165.55918856283252175.92918856283252186.30018856283252196.67521237076252207.05024888293252217.42528359451252227.800315510516252238.175344111470252248.550368612287252258.925388712956252269.300