理正计算书.docx
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理正计算书.docx
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理正计算书
抗滑动桩验算
计算项目:
抗滑桩100
------------------------------------------------------------------------
原始条件:
墙身尺寸:
桩总长:
34.000(m)
嵌入深度:
16.600(m)
截面形状:
方桩
桩宽:
2.000(m)
桩高:
3.000(m)
桩间距:
6.000(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
150.00020.50022.0035.006.0001.000
初始弹性系数A:
43.500(MN/m3)
初始弹性系数A1:
43.500(MN/m3)
桩前滑动土层厚:
17.400(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:
200(mm)
桩纵筋级别:
HRB400
桩箍筋级别:
HPB300
桩箍筋间距:
200(mm)
挡土墙类型:
一般挡土墙
墙后填土内摩擦角:
25.000(度)
墙背与墙后填土摩擦角:
10.400(度)
墙后填土容重:
20.200(kN/m3)
横坡角以上填土的土摩阻力(kPa):
0.00
横坡角以下填土的土摩阻力(kPa):
0.00
坡线与滑坡推力:
坡面线段数:
8
折线序号水平投影长(m)竖向投影长(m)
13.1000.800
25.9006.000
310.0004.000
416.6003.500
50.0004.200
634.5000.800
71.4002.500
84.2000.000
地面横坡角度:
13.000(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600.000(kN/m)
桩后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,滑坡推力、库仑土压力分项(安全)系数=1.200
=====================================================================
第1种情况:
滑坡推力作用情况
[桩身所受推力计算]
假定荷载三角形分布:
桩后:
上部=0.000(kN/m)下部=413.793(kN/m)
桩前:
上部=0.000(kN/m)下部=0.000(kN/m)
桩前分布长度=17.400(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。
背侧最大弯矩=31194.205(kN-m)距离桩顶20.418(m)
面侧最大弯矩=0.000(kN-m)距离桩顶0.000(m)
最大剪力=4320.000(kN)距离桩顶17.400(m)
最大位移=64(mm)
点号距顶距离弯矩剪力位移土反力
(m)(kN-m)(kN)(mm)(kPa)
1-0.0000.0000.000-64.45-0.000
20.5120.637-3.737-62.84-0.000
31.0245.100-14.948-61.23-0.000
41.53517.212-33.633-59.62-0.000
52.04740.800-59.792-58.01-0.000
62.55979.687-93.426-56.40-0.000
73.071137.698-134.533-54.79-0.000
83.582218.660-183.114-53.18-0.000
94.094326.396-239.170-51.57-0.000
104.606464.732-302.699-49.96-0.000
115.118637.492-373.702-48.35-0.000
125.629848.502-452.180-46.75-0.000
136.1411101.587-538.131-45.14-0.000
146.6531400.571-631.557-43.54-0.000
157.1651749.279-732.457-41.94-0.000
167.6762151.537-840.831-40.34-0.000
178.1882611.169-956.678-38.75-0.000
188.7003132.000-1080.000-37.16-0.000
199.2123717.855-1210.796-35.58-0.000
209.7244372.561-1349.066-34.01-0.000
2110.2355099.939-1494.810-32.44-0.000
2210.7475903.817-1648.028-30.88-0.000
2311.2596788.019-1808.720-29.34-0.000
2411.7717756.370-1976.886-27.81-0.000
2512.2828812.694-2152.526-26.29-0.000
2612.7949960.819-2335.640-24.79-0.000
2713.30611204.566-2526.229-23.31-0.000
2813.81812547.763-2724.291-21.85-0.000
2914.32913994.232-2929.827-20.42-0.000
3014.84115547.801-3142.837-19.01-0.000
3115.35317212.295-3363.322-17.64-0.000
3215.86518991.537-3591.281-16.30-0.000
3316.37620889.352-3826.713-14.99-0.000
3416.88822909.563-4069.619-13.72-0.000
3517.40025056.000-4320.000-12.50-269.589
3617.90327022.666-3511.262-11.35-527.963
3718.40628588.539-2729.875-10.25-507.611
3818.90929769.082-1982.102-9.20-483.414
3919.41230582.656-1273.286-8.21-455.980
4019.91531050.086-607.864-7.27-425.903
4120.41831194.20510.606-6.39-393.756
4220.92131039.416579.410-5.57-360.081
4321.42430611.2831096.629-4.81-325.390
4421.92729936.1411561.082-4.11-290.151
4522.43029040.7421972.266-3.46-254.791
4622.93327951.9222330.283-2.86-219.689
4723.43626696.3342635.772-2.32-185.176
4823.93925300.1742889.833-1.83-151.531
4924.44223788.9823093.949-1.39-118.984
5024.94522187.4773249.911-0.99-87.712
5125.44820519.3793359.740-0.63-57.844
5225.95218807.3713425.616-0.31-29.462
5326.45517073.0063449.807-0.03-2.599
5426.95815336.6593434.6010.2322.752
5527.46113617.5863382.2410.4546.640
5627.96411933.9173294.8750.6569.146
5728.46710302.7383174.5000.8290.388
5828.9708740.1813022.9170.98110.505
5929.4737261.5032841.6991.12129.663
6029.9765881.2562632.1581.24148.042
6130.4794613.3952395.3251.36165.833
6230.9823471.4172131.9381.47183.234
6331.4852468.5341842.4401.57200.438
6431.9881617.8081526.9871.66217.632
6532.491932.2921185.4651.75234.987
6632.994425.160817.5201.84252.651
6733.497109.817422.5971.93270.740
6834.0000.000109.1562.02289.329
(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)
1-0.0001200012000508
20.5121200012000508
31.0241200012000508
41.5351200012000508
52.0471200012000508
62.5591200012000508
73.0711200012000508
83.5821200012000508
94.0941200012000508
104.6061200012000508
115.1181200012000508
125.6291200012000508
136.1411200012000508
146.6531200012000508
157.1651200012000508
167.6761200012000508
178.1881200012000508
188.7001200012000508
199.2121200012000508
209.7241200012000508
2110.2351200012000508
2210.7471200012000508
2311.2591200012000508
2411.7711200012000508
2512.2821200012000508
2612.7941200012000508
2713.3061200012000508
2813.8181200013309508
2914.3291200014757508
3014.8411200016324508
3115.3531200018014508
3215.8651200019836508
3316.3761200021796508
3416.8881200023903508
3517.4001200026165508
3617.9031200028260508
3718.4061200029942508
3818.9091200031220508
3919.4121200032106508
4019.9151200032616508
4120.4181200032774508
4220.9211200032604508
4321.4241200032137508
4421.9271200031402508
4522.4301200030431508
4622.9331200029257508
4723.4361200027911508
4823.9391200026424508
4924.4421200024827508
5024.9451200023148508
5125.4481200021413508
5225.9521200019647508
5326.4551200017872508
5426.9581200016110508
5527.4611200014379508
5627.9641200012697508
5728.4671200012000508
5828.9701200012000508
5929.4731200012000508
6029.9761200012000508
6130.4791200012000508
6230.9821200012000508
6331.4851200012000508
6431.9881200012000508
6532.4911200012000508
6632.9941200012000508
6733.4971200012000508
6834.0001200012000508
=====================================================================
第2种情况:
库仑土压力(一般情况)
[土压力计算]计算高度为17.400(m)处的库仑主动土压力
第1破裂角:
77.000(度)
Ea=12552.393Ex=12346.175Ey=2265.947(kN)作用点高度Zy=7.519(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。
背侧最大弯矩=761929.750(kN-m)距离桩顶19.915(m)
面侧最大弯矩=0.000(kN-m)距离桩顶-0.000(m)
最大剪力=86278.023(kN)距离桩顶17.400(m)
最大位移=1587(mm)
点号距顶距离弯矩剪力位移土反力
(m)(kN-m)(kN)(mm)(kPa)
1-0.0000.0000.000-1587.00-0.000
20.512137.502-806.047-1545.59-0.000
31.024967.858-2449.465-1504.19-0.000
41.5352655.289-4155.533-1462.79-0.000
52.0475231.856-5924.251-1421.39-0.000
62.5598729.622-7755.618-1380.00-0.000
73.07113180.646-9649.634-1338.63-0.000
83.58218616.992-11606.300-1297.29-0.000
94.09425070.723-13625.615-1255.98-0.000
104.60632573.896-15707.580-1214.72-0.000
115.11841158.582-17852.195-1173.53-0.000
125.62950856.832-20059.459-1132.41-0.000
136.14161700.707-22329.371-1091.40-0.000
146.65373722.289-24661.936-1050.50-0.000
157.16586953.617-27057.146-1009.75-0.000
167.676101426.766-29515.010-969.16-0.000
178.188117173.781-32035.521-928.77-0.000
188.700134226.734-34618.680-888.61-0.000
199.212152617.703-37264.488-848.72-0.000
209.724172378.750-39972.953-809.11-0.000
2110.235193541.906-42744.063-769.84-0.000
2210.747216139.234-45577.820-730.95-0.000
2311.259240202.813-48474.227-692.48-0.000
2411.771265764.688-51433.285-654.47-0.000
2512.282292856.969-54454.988-616.98-0.000
2612.794321511.719-57539.352-580.06-0.000
2713.306351760.906-60686.355-543.76-0.000
2813.818383636.625-63896.012-508.14-0.000
2914.329417171.000-67168.313-473.27-0.000
3014.841452396.063-70503.266-439.21-0.000
3115.353489343.906-73900.875-406.03-0.000
3215.865528046.500-77361.133-373.79-0.000
3316.376568535.938-80884.031-342.58-0.000
3416.888610844.313-84469.586-312.48-0.000
3517.400654689.875-86278.023-283.56-6114.279
3617.903693408.625-67972.469-256.37-11925.647
3718.406723074.250-50359.637-230.47-11416.688
3818.909744073.375-33579.160-205.93-10822.501
3919.412756856.938-17748.758-182.78-10157.532
4019.915761929.750-2964.682-161.05-9435.802
4120.418759839.62510697.516-140.74-8670.726
4220.921751167.43823181.992-121.85-7874.980
4321.424736517.12534451.375-104.37-7060.346
4421.927716507.18844485.305-88.27-6237.635
4522.430691762.25053278.934-73.51-5416.582
4622.933662905.43860841.266-60.05-4605.787
4723.436630552.18867193.391-47.83-3812.684
4823.939595304.75072366.703-36.79-3043.513
4924.442557746.87576401.141-26.86-2303.318
5024.945518440.62579343.313-17.98-1595.963
5125.448477922.75081244.859-10.07-924.157
5225.952436703.31382160.633-3.05-289.513
5326.455395264.25082147.1413.14307.401
5426.958354058.37581261.0008.60866.998
5527.461313510.68879557.55513.391390.574
5627.964274018.59477089.58617.591880.228
5728.467235953.81373906.17221.282338.760
5828.970199664.56370051.71924.532769.557
5929.473165477.60965565.15627.403176.486
6029.976133701.98460479.32829.963563.764
6130.479104631.79754820.55532.273935.826
6230.98278549.25048608.
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