桩板式抗滑挡土墙计算说明书1227 -K-22m岩

桩板式抗滑挡土墙计算说明书一、工程地质状况描述岩土参数根据相关规范规定、相邻工程的数据结合地区经验确定。岩土体设计参数建议值按照表1采用。表1岩土体物理力学参数推荐值一览表岩土参数素填土粉质粘土泥岩砂岩强风化中风化强风化中风化天然重度(kN/m3)19.8*19.5*22.2*25.823.5*24.4饱和重度(kN/m3)21.0*20*22.5*26.023.8*24.7抗压强度标准值(MPa)天然9.2531.59饱和5.8425.55岩体抗拉强度标准值（Mpa）0.2240.704地基承载力基本容许值(kPa)150*300*400*300*1000*地基承载力特征值(kPa)现场测试确定150*300*3360300*11470内摩擦角标准值（°）28*（天然）25*（饱和）10*（天然）8*（饱和）30*32.4232*37.31粘聚力标准值（kpa）10*（天然）8*（饱和）19*（天然）17*（饱和）4021420岩土体与锚固体极限粘结强度标准值(kPa)40*160*400*200*1200*挡墙基底摩擦系数(μ)0.25*0.30*0.40*0.40*0.65*岩体水平抗力系数(MN/m3)30*80*40*450*土体水平抗力系数的比例系数(MN/m4)10*10*注：带“*”者根据相关规范结合重庆地区经验取值。1、岩体破裂角：泥岩取61°，砂岩取63°。边坡岩体等效内摩擦角：Ⅱ类取65°，Ⅲ类取55°，Ⅳ类取45°。2、基岩裂隙面不利工况下C取50KPa，Φ取18°。岩层层面不利工况下，C取20KPa，Φ取12°。二、桩板式抗滑挡土墙计算原始条件:桩、墙计算条件------------------------------------------------------------------------1.总控制信息路基型式路堤地区类型一般地区支护类型桩＋墙结构重要性系数1.10抗震设计烈度(度)---配筋计算---水平地震系数Kh---水上地震角(度)---水下地震角(度)---重要性修正系数Ci---综合影响系数Cz---2.坡线、土层和水位1)坡线信息坡线数1坡线水平投影竖向投影坡线长坡线仰角荷载数序号长(m)长(m)(m)(°)126.0000.00026.0000.0000坡线上无荷载2)土层信息桩前是否有横坡无横坡桩前横坡角(度)0.000桩后横坡角(度)0.000结构与土摩擦角(度)0.000嵌固段以上土层数:1序号土层重度浮重度粘聚力内摩擦水下粘聚水下内摩土摩阻厚(m)(kN/m3)(kN/m3)(kPa)角(°)力(kPa)擦角(°)力(kPa)112.00019.500---0.00128.000------50.000嵌固段土层数:1序号地层地层重度粘聚力内摩擦综合内摩土摩阻计算m,c,K承载KHηR类型厚(m)(kN/m3)(kPa)角(°)擦角(°)力(kPa)方法力(kPa)(MPa)1岩层20.00020.00018.00030.000---1500.000K法80.0003360.0000.5000.3509.2503)水位信息非浸水地区，无水位信息4.滑坡推力相关信息1)滑坡推力信息滑坡推力分布类型三角形计算目标按指定滑面计算推力计算模型KT模型安全系数K1.000是否考虑动水压力和浮托力ㄨ是否考虑坡面外的静水压力ㄨ是否考虑承压水的浮托力ㄨ桩前剩余抗滑力水平分力(kN/m)---墙前剩余抗滑力水平分力(kN/m)0.000滑面起点标高(m)0.0001)滑面信息115.0003.00015.29711.31010.00020.0005.桩信息1)桩基本信息桩前地面以上长度(m)12.000嵌固点深度(m)0.000悬臂长度(m)12.000嵌固长度(m)10.000截面形状矩形桩宽b(m)1.800桩高h(m)2.700桩中心距(m)5.000桩底支承条件自由初始弹性系数A(MN/m3)0.000初始弹性系数A1(MN/m3)0.000坡线数12)桩配筋信息桩作用综合分项系数1.35桩混凝土强度等级C30桩纵筋合力点到外皮距离(mm)100桩容重(kN/m^3~)25.00桩纵筋级别HRB400桩箍筋级别HRB3355.墙信息1)墙尺寸信息桩墙距离(m)0.000墙身高(m)12.000墙顶宽(m)0.500面坡倾斜坡度(1:m)0.000背坡倾斜坡度(1:m)0.000墙底倾斜坡率(m:1)0.000是否采用扩展墙趾台阶ㄨ墙踵台阶b3(m)0.000墙踵台阶h3(m)0.000是否采用防滑凸榫ㄨ挡墙分段长度(m)10.0002)墙物理信息圬工砌体容重(kN/m3)30.000砌体种类混凝土C30水泥土砂浆强度等级不同标号依砌体种类对应不同的墙身设计允许压、剪、拉、弯应力值圬工之间摩擦系数0.400地基土摩擦系数0.500修正后地基土容许承载力(kPa)220.000地基土类型岩石地基基础类型天然地基墙底摩擦系数0.500地基强度与偏心距验算时斜面长度作为基底宽6.结构上自定义荷载以及荷载组合1)桩顶自定义荷载桩顶自定义荷载数：02)桩荷载组合[滑坡推力(一般)组合]荷载号荷载名称是否参与调整系数1桩自重√1.0002桩顶恒载√1.0003桩顶活载√1.0004桩后滑坡推力√1.0005桩前剩余抗滑力√1.000[库仑土压力(一般)组合]荷载号荷载名称是否参与调整系数1桩自重√1.0002桩顶恒载√1.0003桩顶活载√1.0004桩后主动土压力√1.0005桩前被动土压力√1.0002)墙顶自定义荷载数：03)墙荷载组合[滑坡推力(一般)组合]荷载号荷载名称是否参与调整系数1墙自重√1.0002墙上恒载√1.0003墙上活载√1.0004墙后滑坡推力√1.0005墙前剩余抗滑力√1.000[库仑土压力(一般)组合]荷载号荷载名称是否参与调整系数1墙自重√1.0002墙上恒载√1.0003墙上活载√1.0004墙后主动土压力√1.0005墙前被动土压力√1.000原始条件:钢筋混凝土配筋计算依据:《混凝土结构设计规范GB50010-2010》=====================================================================库仑土压力(一般情况)(一)桩身内力计算按实际墙背计算得到:第1破裂角：31.014(度)Ea=506.891(kN)Ex=506.891(kN)Ey=0.000(kN)作用点到嵌固点距离Zy=4.000(m)桩前覆土深度为0.000时的被动土压力：Ea=0.000(kN)Ex=0.000(kN)Ey=0.000(kN)作用点到嵌固点距离Zy=-0.000(m)第1嵌固段地层计算方法:K法 背侧——为挡土侧；面侧——为非挡土侧。背侧最大弯矩=12187.979(kN-m)距离桩顶13.800(m)面侧最大弯矩=0.000(kN-m)距离桩顶0.000(m)最大剪力=2450.672(kN)距离桩顶11.800(m)最大位移=-33(mm)点号距顶距离弯矩剪力位移土反力(m)(kN-m)(kN)(mm)(kPa)1-0.000-0.000-0.000-32.980.00020.2000.047-0.704-32.550.00030.4000.375-2.816-32.120.00040.6001.267-6.336-31.690.00050.8003.004-11.264-31.270.00061.0005.867-17.600-30.840.00071.20010.138-25.345-30.410.00081.40016.098-34.497-29.980.00091.60024.030-45.057-29.560.000101.80034.215-57.025-29.130.000112.00046.934-70.401-28.700.000122.20062.470-85.186-28.270.000132.40081.102-101.378-27.850.000142.600103.115-118.978-27.420.000152.800128.788-137.987-26.990.000163.000158.403-158.403-26.560.000173.200192.243-180.228-26.140.000183.400230.588-203.460-25.710.000193.600273.721-228.101-25.280.000203.800321.922-254.149-24.860.000214.000375.474-281.606-24.430.000224.200434.658-310.470-24.000.000234.400499.756-340.743-23.580.000244.600571.049-372.423-23.150.000254.800648.819-405.512-22.730.000265.000733.348-440.009-22.300.000275.200824.917-475.914-21.870.000285.400923.807-513.226-21.450.000295.6001030.301-551.947-21.030.000305.8001144.680-592.076-20.600.000316.0001267.225-633.613-20.180.000326.2001398.219-676.558-19.760.000336.4001537.942-720.910-19.330.000346.6001686.677-766.671-18.910.000356.8001844.705-813.840-18.490.000367.0002012.307-862.417-18.070.000377.2002189.766-912.402-17.650.000387.4002377.362-963.795-17.230.000397.6002575.377-1016.596-16.820.000407.8002784.094-1070.805-16.400.000418.0003003.793-1126.422-15.990.000428.2003234.757-1183.448-15.570.000438.4003477.267-1241.881-15.160.000448.6003731.604-1301.722-14.750.000458.8003998.049-1362.971-14.340.000469.0004276.885-1425.629-13.940.000479.2004568.394-1489.694-13.530.000489.4004872.858-1555.167-13.130.000499.6005190.556-1622.049-12.730.000509.8005521.771-1690.338-12.330.0005110.0005866.784-1760.035-11.940.0005210.2006225.877-1831.141-11.540.0005310.4006599.335-1903.654-11.150.0005410.6006987.434-1977.576-10.770.0005510.8007390.458-2052.905-10.380.0005611.0007808.689-2129.643-10.000.0005711.2008242.408-2207.788-9.620.0005811.4008691.899-2287.342-9.250.0005911.6009157.440-2368.303-8.880.0006011.8009639.314-2450.672-8.510.0006112.00010137.803-2443.124-8.15-0.0006212.20010613.794-2219.375-7.80-623.8016312.40011022.735-1877.923-7.45-595.6706412.60011364.964-1552.112-7.10-567.9376512.80011643.581-1241.718-6.76-540.6146613.00011861.650-946.507-6.42-513.7116713.20012022.184-666.242-6.09-487.2376813.40012128.146-400.680-5.76-461.1976913.60012182.456-149.579-5.44-435.5947013.80012187.97987.309-5.13-410.4317114.00012147.532310.228-4.82-385.7097214.20012063.888519.425-4.52-361.4257314.40011939.763715.145-4.22-337.5767414.60011777.829897.631-3.93-314.1597514.80011580.7101067.122-3.64-291.1677615.00011350.9801223.855-3.36-268.5937715.20011091.1691368.061-3.08-246.4297815.40010803.7571499.968-2.81-224.6667915.60010491.1811619.796-2.54-203.2928015.80010155.8381727.761-2.28-182.2988116.0009800.0771824.073-2.02-161.6718216.2009426.2071908.932-1.77-141.3978316.4009036.5051982.533-1.52-121.4648416.6008633.1942045.063-1.27-101.8578516.8008218.4802096.700-1.03-82.5628617.0007794.5162137.616-0.79-63.5648717.2007363.4312167.971-0.56-44.8488817.4006927.3282187.920-0.33-26.3978917.6006488.2642197.606-0.10-8.1979017.8006048.2862197.1660.129.7699118.0005609.3982186.7270.3427.5169218.2005173.5922166.4050.5645.0619318.4004742.8372136.3110.7862.4189418.6004319.0692096.5451.0079.6059518.8003904.2202047.1981.2196.6359619.0003500.1901988.3531.42113.5249719.2003108.8761920.0861.63130.2869819.4002732.1571842.4641.84146.9379919.6002371.8911755.5452.04163.48810019.8002029.9391659.3822.25179.95310120.0001708.1391554.0182.45196.34510220.2001408.3301439.4922.66212.67610320.4001132.3431315.8352.86228.95510420.600881.9961183.0743.06245.19310520.800659.1141041.2283.27261.39910621.000465.506890.3133.47277.58110721.200302.987730.3423.67293.74610821.400173.369561.3213.87309.90010921.60078.459383.2554.08326.04811021.80020.067196.1484.28342.19211122.000-0.00050.1674.48358.336桩底竖向合力=2673.00(kN)，桩底面积A=4.860(m2)桩底所在土层承载力=3360.00(kPa)故桩的竖向地基承载力满足。2）横向承载力验算；KH=0.5,η=0.3，frk=9.25×1000Kpa，故fH=1387.5Kpa桩身内力计算结果可知，h=15.67m处土反力为203<Fh,满足横向承载力要求，复合规范(二)桩身配筋计算点号距顶距离面侧弯矩背侧弯矩剪力面侧纵筋背侧纵筋箍筋(m)(kN.m)(kN.m)(kN)(mm2)(mm2)(mm2//m)1-0.000.000.000.00097209720205920.200.000.06-0.70497209720205930.400.000.51-2.81697209720205940.600.001.71-6.33697209720205950.800.004.06-11.26497209720205961.000.007.92-17.60097209720205971.200.0013.69-25.34597209720205981.400.0021.73-34.49797209720205991.600.0032.44-45.057972097202059101.800.0046.19-57.025972097202059112.000.0063.36-70.401972097202059122.200.0084.33-85.186972097202059132.400.00109.49-101.378972097202059142.600.00139.20-118.978972097202059152.800.00173.86-137.987972097202059163.000.00213.84-158.403972097202059173.200.00259.53-180.228972097202059183.400.00311.29-203.460972097202059193.600.00369.52-228.101972097202059203.800.00434.59-254.149972097202059214.000.00506.89-281.606972097202059224.200.00586.79-310.470972097202059234.400.00674.67-340.743972097202059244.600.00770.92-372.423972097202059254.800.00875.91-405.512972097202059265.000.00990.02-440.009972097202059275.200.001113.64-475.914972097202059285.400.001247.14-513.226972097202059295.600.001390.91-551.947972097202059305.800.001545.32-592.076972097202059316.000.001710.75-633.613972097202059326.200.001887.60-676.558972097202059336.400.002076.22-720.910972097202059346.600.002277.01-766.671972097202059356.800.002490.35-813.840972097202059367.000.002716.61-862.417972097202059377.200.002956.18-912.402972097202059387.400.003209.44-963.795972097202059397.600.003476.76-1016.596972097202059407.800.003758.53-1070.805972097202059418.000.004055.12-1126.422972097202059428.200.004366.92-1183.448972097202059438.400.004694.31-1241.881972097202059448.600.005037.67-1301.722972097202059458.800.005397.37-1362.971972097202059469.000.005773.80-1425.629972097202059479.200.006167.33-1489.694972097202059489.400.006578.36-1555.167972097202059499.600.007007.25-1622.049972097202059509.800.007454.39-1690.3389720972020595110.000.007920.16-1760.0359720972020595210.200.008404.93-1831.14197201025220595310.400.008909.10-1903.65497201084720595410.600.009433.04-1977.57697201146820595510.800.009977.12-2052.90597201211520595611.000.0010541.73-2129.64397201278820595711.200.0011127.25-2207.78897201348920595811.400.0011734.06-2287.34297201421820595911.600.0012362.54-2368.30397201497720596011.800.0013013.08-2450.67297201576520596112.000.0013686.03-2443.12497201658520596212.200.0014328.62-2219.37597201737020596312.400.0014880.69-1877.92397201804820596412.600.0015342.70-1552.11297201861820596512.800.0015718.83-1241.71897201908320596613.000.0016013.23-946.50797201944720596713.200.0016229.95-666.24297201971620596813.400.0016373.00-400.68097201989420596913.600.0016446.32-149.57997201998520597013.800.0016453.7787.30997201999420597114.000.0016399.17310.22897201992720597214.200.0016286.25519.42597201978620597314.400.0016118.68715.14597201957820597414.600.0015900.07897.63197201930720597514.800.0015633.961067.12297201897820597615.000.0015323.821223.85597201859420597715.200.0014973.081368.06197201816220597815.400.0014585.071499.96897201768520597915.600.0014163.091619.79697201716820598015.800.0013710.381727.76197201661420598116.000.0013230.101824.07397201602920598216.200.0012725.381908.93297201541620598316.400.0012199.281982.53397201477920598416.600.0011654.812045.06397201412320598516.800.0011094.952096.70097201345020598617.000.0010522.602137.61697201276520598717.200.009940.632167.97197201207120598817.400.009351.892187.92097201137220598917.600.008759.162197.60697201067020599017.800.008165.192197.1669720997020599118.000.007572.692186.7279720972020599218.200.006984.352166.4059720972020599318.400.006402.832136.3119720972020599418.600.005830.742096.5459720972020599518.800.005270.702047.1989720972020599619.000.004725.261988.3539720972020599719.200.004196.981920.0869720972020599819.400.003688.411842.4649720972020599919.600.003202.051755.54597209720205910019.800.002740.421659.38297209720205910120.000.002305.991554.01897209720205910220.200.001901.251439.49297209720205910320.400.001528.661315.83597209720205910420.600.001190.691183.07497209720205910520.800.00889.801041.22897209720205910621.000.00628.43890.31397209720205910721.200.00409.03730.34297209720205910821.400.00234.05561.32197209720205910921.600.00105.92383.25597209720205911021.800.0027.09196.14897209720205911122.000.000.0050.167972097202059=====================================================================各点的配筋包络结果点号距顶距离面侧纵筋背侧纵筋箍筋(m)(mm2)(mm2)(mm2/m)1-0.0097209720205920.2097209720205930.4097209720205940.6097209720205950.8097209720205961.0097209720205971.2097209720205981.4097209720205991.60972097202059101.80972097202059112.00972097202059122.20972097202059132.40972097202059142.60972097202059152.80972097202059163.00972097202059173.20972097202059183.40972097202059193.60972097202059203.80972097202059214.00972097202059224.20972097202059234.40972097202059244.60972097202059254.80972097202059265.00972097202059275.20972097202059285.40972097202059295.60972097202059305.80972097202059316.00972097202059326.20972097202059336.40972097202059346.60972097202059356.80972097202059367.00972097202059377.20972097202059387.40972097202059397.60972097202059407.80972097202059418.00972097202059428.20972097202059438.40972097202059448.60972097202059458.809720