樁板式抗滑擋土墻計算說明書1227 -K-22m巖

樁板式抗滑擋土墻計算說明書一、工程地質(zhì)狀況描述巖土參數(shù)根據(jù)相關(guān)規(guī)范規(guī)定、相鄰工程的數(shù)據(jù)結(jié)合地區(qū)經(jīng)驗確定。巖土體設(shè)計參數(shù)建議值按照表1采用。表1巖土體物理力學(xué)參數(shù)推薦值一覽表巖土參數(shù)素填土粉質(zhì)粘土泥巖砂巖強風(fēng)化中風(fēng)化強風(fēng)化中風(fēng)化天然重度(kN/m3)19.8*19.5*22.2*25.823.5*24.4飽和重度(kN/m3)21.0*20*22.5*26.023.8*24.7抗壓強度標(biāo)準(zhǔn)值(MPa)天然9.2531.59飽和5.8425.55巖體抗拉強度標(biāo)準(zhǔn)值（Mpa）0.2240.704地基承載力基本容許值(kPa)150*300*400*300*1000*地基承載力特征值(kPa)現(xiàn)場測試確定150*300*3360300*11470內(nèi)摩擦角標(biāo)準(zhǔn)值（°）28*（天然）25*（飽和）10*（天然）8*（飽和）30*32.4232*37.31粘聚力標(biāo)準(zhǔn)值（kpa）10*（天然）8*（飽和）19*（天然）17*（飽和）4021420巖土體與錨固體極限粘結(jié)強度標(biāo)準(zhǔn)值(kPa)40*160*400*200*1200*擋墻基底摩擦系數(shù)(μ)0.25*0.30*0.40*0.40*0.65*巖體水平抗力系數(shù)(MN/m3)30*80*40*450*土體水平抗力系數(shù)的比例系數(shù)(MN/m4)10*10*注：帶“*”者根據(jù)相關(guān)規(guī)范結(jié)合重慶地區(qū)經(jīng)驗取值。1、巖體破裂角：泥巖取61°，砂巖取63°。邊坡巖體等效內(nèi)摩擦角：Ⅱ類取65°，Ⅲ類取55°，Ⅳ類取45°。2、基巖裂隙面不利工況下C取50KPa，Φ取18°。巖層層面不利工況下，C取20KPa，Φ取12°。二、樁板式抗滑擋土墻計算原始條件:樁、墻計算條件------------------------------------------------------------------------1.總控制信息路基型式路堤地區(qū)類型一般地區(qū)支護類型樁＋墻結(jié)構(gòu)重要性系數(shù)1.10抗震設(shè)計烈度(度)---配筋計算---水平地震系數(shù)Kh---水上地震角(度)---水下地震角(度)---重要性修正系數(shù)Ci---綜合影響系數(shù)Cz---2.坡線、土層和水位1)坡線信息坡線數(shù)1坡線水平投影豎向投影坡線長坡線仰角荷載數(shù)序號長(m)長(m)(m)(°)126.0000.00026.0000.0000坡線上無荷載2)土層信息樁前是否有橫坡無橫坡樁前橫坡角(度)0.000樁后橫坡角(度)0.000結(jié)構(gòu)與土摩擦角(度)0.000嵌固段以上土層數(shù):1序號土層重度浮重度粘聚力內(nèi)摩擦水下粘聚水下內(nèi)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嵌固段土層數(shù):1序號地層地層重度粘聚力內(nèi)摩擦綜合內(nèi)摩土摩阻計算m,c,K承載KHηR類型厚(m)(kN/m3)(kPa)角(°)擦角(°)力(kPa)方法力(kPa)(MPa)1巖層20.00020.00018.00030.000---1500.000K法80.0003360.0000.5000.3509.2503)水位信息非浸水地區(qū)，無水位信息4.滑坡推力相關(guān)信息1)滑坡推力信息滑坡推力分布類型三角形計算目標(biāo)按指定滑面計算推力計算模型KT模型安全系數(shù)K1.000是否考慮動水壓力和浮托力ㄨ是否考慮坡面外的靜水壓力ㄨ是否考慮承壓水的浮托力ㄨ樁前剩余抗滑力水平分力(kN/m)---墻前剩余抗滑力水平分力(kN/m)0.000滑面起點標(biāo)高(m)0.0001)滑面信息115.0003.00015.29711.31010.00020.0005.樁信息1)樁基本信息樁前地面以上長度(m)12.000嵌固點深度(m)0.000懸臂長度(m)12.000嵌固長度(m)10.000截面形狀矩形樁寬b(m)1.800樁高h(m)2.700樁中心距(m)5.000樁底支承條件自由初始彈性系數(shù)A(MN/m3)0.000初始彈性系數(shù)A1(MN/m3)0.000坡線數(shù)12)樁配筋信息樁作用綜合分項系數(shù)1.35樁混凝土強度等級C30樁縱筋合力點到外皮距離(mm)100樁容重(kN/m^3~)25.00樁縱筋級別HRB400樁箍筋級別HRB3355.墻信息1)墻尺寸信息樁墻距離(m)0.000墻身高(m)12.000墻頂寬(m)0.500面坡傾斜坡度(1:m)0.000背坡傾斜坡度(1:m)0.000墻底傾斜坡率(m:1)0.000是否采用擴展墻趾臺階ㄨ墻踵臺階b3(m)0.000墻踵臺階h3(m)0.000是否采用防滑凸榫ㄨ擋墻分段長度(m)10.0002)墻物理信息圬工砌體容重(kN/m3)30.000砌體種類混凝土C30水泥土砂漿強度等級不同標(biāo)號依砌體種類對應(yīng)不同的墻身設(shè)計允許壓、剪、拉、彎應(yīng)力值圬工之間摩擦系數(shù)0.400地基土摩擦系數(shù)0.500修正后地基土容許承載力(kPa)220.000地基土類型巖石地基基礎(chǔ)類型天然地基墻底摩擦系數(shù)0.500地基強度與偏心距驗算時斜面長度作為基底寬6.結(jié)構(gòu)上自定義荷載以及荷載組合1)樁頂自定義荷載樁頂自定義荷載數(shù)：02)樁荷載組合[滑坡推力(一般)組合]荷載號荷載名稱是否參與調(diào)整系數(shù)1樁自重√1.0002樁頂恒載√1.0003樁頂活載√1.0004樁后滑坡推力√1.0005樁前剩余抗滑力√1.000[庫侖土壓力(一般)組合]荷載號荷載名稱是否參與調(diào)整系數(shù)1樁自重√1.0002樁頂恒載√1.0003樁頂活載√1.0004樁后主動土壓力√1.0005樁前被動土壓力√1.0002)墻頂自定義荷載數(shù)：03)墻荷載組合[滑坡推力(一般)組合]荷載號荷載名稱是否參與調(diào)整系數(shù)1墻自重√1.0002墻上恒載√1.0003墻上活載√1.0004墻后滑坡推力√1.0005墻前剩余抗滑力√1.000[庫侖土壓力(一般)組合]荷載號荷載名稱是否參與調(diào)整系數(shù)1墻自重√1.0002墻上恒載√1.0003墻上活載√1.0004墻后主動土壓力√1.0005墻前被動土壓力√1.000原始條件:鋼筋混凝土配筋計算依據(jù):《混凝土結(jié)構(gòu)設(shè)計規(guī)范GB50010-2010》=====================================================================庫侖土壓力(一般情況)(一)樁身內(nèi)力計算按實際墻背計算得到:第1破裂角：31.014(度)Ea=506.891(kN)Ex=506.891(kN)Ey=0.000(kN)作用點到嵌固點距離Zy=4.000(m)樁前覆土深度為0.000時的被動土壓力：Ea=0.000(kN)Ex=0.000(kN)Ey=0.000(kN)作用點到嵌固點距離Zy=-0.000(m)第1嵌固段地層計算方法:K法 背側(cè)——為擋土側(cè)；面?zhèn)取獮榉菗跬羵?cè)。背側(cè)最大彎矩=12187.979(kN-m)距離樁頂13.800(m)面?zhèn)茸畲髲澗?0.000(kN-m)距離樁頂0.000(m)最大剪力=2450.672(kN)距離樁頂11.800(m)最大位移=-33(mm)點號距頂距離彎矩剪力位移土反力(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樁底豎向合力=2673.00(kN)，樁底面積A=4.860(m2)樁底所在土層承載力=3360.00(kPa)故樁的豎向地基承載力滿足。2）橫向承載力驗算；KH=0.5,η=0.3，frk=9.25×1000Kpa，故fH=1387.5Kpa樁身內(nèi)力計算結(jié)果可知，h=15.67m處土反力為203<Fh,滿足橫向承載力要求，復(fù)合規(guī)范(二)樁身配筋計算點號距頂距離面?zhèn)葟澗乇硞?cè)彎矩剪力面?zhèn)瓤v筋背側(cè)縱筋箍筋(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=====================================================================各點的配筋包絡(luò)結(jié)果點號距頂距離面?zhèn)瓤v筋背側(cè)縱筋箍筋(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