樁板式抗滑擋土墻計算說明書1227-29米-土和巖

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抗壓強度標準值(MPa)天然9.2531.59飽和5.8425.55巖體抗拉強度標準值（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)摩擦角標準值（°）28*（天然）25*（飽和）10*（天然）8*（飽和）30*32.4232*37.31粘聚力標準值（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)強度標準值(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):2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土層11.00019.50010.00025.000---30.000m法10.000120.000---------2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)17.000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: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:m法第2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=19421.469(kN-m)距離樁頂17.800(m)面?zhèn)茸畲髲澗?0.000(kN-m)距離樁頂0.000(m)最大剪力=2669.278(kN)距離樁頂22.800(m)最大位移=-56(mm)點號距頂距離彎矩剪力位移土反力(m)(kN-m)(kN)(mm)(kPa)1-0.000-0.000-0.000-55.790.00020.2000.047-0.704-55.170.00030.4000.375-2.816-54.550.00040.6001.267-6.336-53.930.00050.8003.004-11.264-53.310.00061.0005.867-17.600-52.690.00071.20010.138-25.345-52.060.00081.40016.098-34.497-51.440.00091.60024.030-45.057-50.820.000101.80034.215-57.025-50.200.000112.00046.934-70.401-49.580.000122.20062.470-85.186-48.960.000132.40081.102-101.378-48.340.000142.600103.115-118.978-47.720.000152.800128.788-137.987-47.100.000163.000158.403-158.403-46.480.000173.200192.243-180.228-45.860.000183.400230.588-203.460-45.230.000193.600273.721-228.101-44.610.000203.800321.922-254.149-43.990.000214.000375.474-281.606-43.370.000224.200434.658-310.470-42.750.000234.400499.756-340.743-42.130.000244.600571.049-372.423-41.510.000254.800648.819-405.512-40.900.000265.000733.348-440.009-40.280.000275.200824.917-475.914-39.660.000285.400923.807-513.226-39.040.000295.6001030.301-551.947-38.420.000305.8001144.680-592.076-37.800.000316.0001267.225-633.613-37.190.000326.2001398.219-676.558-36.570.000336.4001537.942-720.910-35.950.000346.6001686.677-766.671-35.340.000356.8001844.705-813.840-34.730.000367.0002012.307-862.417-34.110.000377.2002189.766-912.402-33.500.000387.4002377.362-963.795-32.890.000397.6002575.377-1016.596-32.280.000407.8002784.094-1070.805-31.670.000418.0003003.793-1126.422-31.060.000428.2003234.757-1183.448-30.450.000438.4003477.267-1241.881-29.850.000448.6003731.604-1301.722-29.240.000458.8003998.049-1362.971-28.640.000469.0004276.885-1425.629-28.040.000479.2004568.394-1489.694-27.440.000489.4004872.858-1555.167-26.850.000499.6005190.556-1622.049-26.250.000509.8005521.771-1690.338-25.660.0005110.0005866.784-1760.035-25.070.0005210.2006225.877-1831.141-24.490.0005310.4006599.335-1903.654-23.900.0005410.6006987.434-1977.576-23.320.0005510.8007390.458-2052.905-22.740.0005611.0007808.689-2129.643-22.170.0005711.2008242.408-2207.788-21.600.0005811.4008691.899-2287.342-21.030.0005911.6009157.440-2368.303-20.470.0006011.8009639.314-2450.672-19.910.0006112.00010137.803-2530.383-19.36-0.0006212.20010648.697-2558.026-18.81-37.6126312.40011158.195-2530.640-18.26-60.1686412.60011660.955-2494.684-17.72-68.1946512.80012156.071-2454.234-17.19-76.2216613.00012642.647-2409.290-16.66-84.2476713.20013119.786-2359.852-16.13-92.2746813.40013586.587-2305.918-15.61-100.3006913.60014042.154-2247.491-15.10-108.3267013.80014485.585-2184.568-14.60-116.3537114.00014915.981-2117.151-14.10-124.3797214.20015332.444-2045.240-13.61-132.4067314.40015734.076-1968.833-13.12-140.4327414.60016119.979-1887.932-12.64-148.4587514.80016489.250-1802.536-12.17-156.4857615.00016840.992-1712.645-11.71-164.5117715.20017174.309-1618.260-11.25-172.5387815.40017488.297-1519.380-10.81-180.5647915.60017782.061-1416.004-10.37-188.5918015.80018054.699-1308.135-9.93-196.6178116.00018305.314-1195.770-9.51-204.6438216.20018533.008-1078.911-9.10-212.6708316.40018736.877-957.557-8.69-220.6968416.60018916.029-831.708-8.29-228.7238516.80019069.561-701.365-7.90-236.7498617.00019196.574-566.526-7.52-244.7758717.20019296.172-427.193-7.15-252.8028817.40019367.451-283.365-6.78-260.8288917.60019409.518-135.042-6.43-268.8559017.80019421.46917.775-6.08-276.8819118.00019402.408175.088-5.74-284.9079218.20019351.434336.895-5.41-292.9349318.40019267.650503.197-5.09-300.9609418.60019150.154673.993-4.78-308.9879518.80018998.053845.752-4.48-304.4179619.00018811.8551012.960-4.18-292.7569719.20018592.8671173.481-3.90-280.5309819.40018342.4631327.007-3.62-267.7809919.60018062.0641473.259-3.35-254.55010019.80017753.1601611.979-3.09-240.87810120.00017417.2731742.930-2.84-226.80310220.20017055.9841865.896-2.59-212.36010320.40016670.9161980.679-2.35-197.58310420.60016263.7142087.104-2.12-182.50310520.80015836.0762185.006-1.90-167.14910621.00015389.7132274.241-1.68-151.54710721.20014926.3762354.677-1.48-135.72310821.40014447.8432426.195-1.27-119.69810921.60013955.8992488.688-1.08-103.49111021.80013452.3692542.059-0.89-87.12111122.00012939.0762586.221-0.71-70.60211222.20012417.8762621.095-0.53-53.94711322.40011890.6402646.607-0.36-37.16711422.60011359.2342662.689-0.19-20.27011522.80010825.5642669.278-0.03-3.26211623.00010291.5242666.8680.1313.85211723.2009758.8132657.3310.2822.19311823.4009228.5932641.6080.4233.95911923.6008702.1712619.3900.5745.39212023.8008180.8382590.8570.7156.51012124.0007665.8292556.1810.8467.33312224.2007158.3622515.5220.9777.87912324.4006659.6222469.0301.1088.16612424.6006170.7512416.8441.2398.21212524.8005692.8852359.0951.35108.03512625.0005227.1142295.9021.47117.65312725.2004774.5202227.3761.59127.08212825.4004336.1642153.6191.70136.33812925.6003913.0732074.7221.82145.43713025.8003506.2761990.7701.93154.39513126.0003116.7671901.8352.04163.22613226.2002745.5391807.9882.15171.94413326.4002393.5721709.2862.26180.56313426.6002061.8251605.7812.36189.09613526.8001751.2601497.5192.47197.55413627.0001462.8181384.5392.57205.94813727.2001197.4431266.8722.68214.29013827.400956.0701144.5462.78222.58813927.600739.6251017.5842.89230.85114027.800549.037886.0012.99239.08814128.000385.225749.8113.09247.30414228.200249.111609.0243.19255.50714328.400141.615463.6463.30263.70014428.60063.653313.6823.40271.88814528.80016.143159.1333.50280.07314629.0000.00040.3563.60288.258樁底豎向合力=3523.50(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；γ1=20KN/m3，γ2=21KN/m3，Ψ0=350，y=11/3=3.67m，h1=12m，代入公式計算得到Fh=197.95Kpa樁身內(nèi)力計算結(jié)果可知，h=15.67m處土反力為190Kpa<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)1-0.000.000.000.00097209720205920.200.000.06-0.70497209720205930.400.000.51-2.81697209720205940.600.001.71-6.33697209720205950.800.004.06-11.26497209720205961.000.007.92-17.60097209720205971.200.0013.69-25.34597209720205981.400.0021.73-34.49797209720205991.600.0032.44-45.057972097202059101.800.0046.19-57.025972097202059112.000.0063.36-70.401972097202059122.200.0084.33-85.186972097202059132.400.00109.49-101.378972097202059142.600.00139.20-118.978972097202059152.800.00173.86-137.987972097202059163.000.00213.84-158.403972097202059173.200.00259.53-180.228972097202059183.400.00311.29-203.460972097202059193.600.00369.52-228.101972097202059203.800.00434.59-254.149972097202059214.000.00506.89-281.606972097202059224.200.00586.79-310.470972097202059234.400.00674.67-340.743972097202059244.600.00770.92-372.423972097202059254.800.00875.91-405.512972097202059265.000.00990.02-440.009972097202059275.200.001113.64-475.914972097202059285.400.001247.14-513.226972097202059295.600.001390.91-551.947972097202059305.800.001545.32-592.076972097202059316.000.001710.75-633.613972097202059326.200.001887.60-676.558972097202059336.400.002076.22-720.910972097202059346.600.002277.01-766.671972097202059356.800.002490.35-813.840972097202059367.000.002716.61-862.417972097202059377.200.002956.18-912.402972097202059387.400.003209.44-963.795972097202059397.600.003476.76-1016.596972097202059407.800.003758.53-1070.805972097202059418.000.004055.12-1126.422972097202059428.200.004366.92-1183.448972097202059438.400.004694.31-1241.881972097202059448.600.005037.67-1301.722972097202059458.800.005397.37-1362.971972097202059469.000.005773.80-1425.629972097202059479.200.006167.33-1489.694972097202059489.400.006578.36-1555.167972097202059499.600.007007.25-1622.049972097202059509.800.007454.39-1690.3389720972020595110.000.007920.16-1760.0359720972020595210.200.008404.93-1831.14197201025220595310.400.008909.10-1903.65497201084720595410.600.009433.04-1977.57697201146820595510.800.009977.12-2052.90597201211520595611.000.0010541.73-2129.64397201278820595711.200.0011127.25-2207.78897201348920595811.400.0011734.06-2287.34297201421820595911.600.0012362.54-2368.30397201497720596011.800.0013013.08-2450.67297201576520596112.000.0013686.03-2530.38397201658520596212.200.0014375.74-2558.02697201742820596312.400.0015063.56-2530.64097201827420596412.600.0015742.29-2494.68497201911220596512.800.0016410.70-2454.23497201994120596613.000.0017067.57-2409.29097202076020596713.200.0017711.71-2359.85297202156620596813.400.0018341.89-2305.91897202235920596913.600.0018956.91-2247.49197202313620597013.800.0019555.54-2184.56897202389620597114.000.0020136.58-2117.15197202463720597214.200.0020698.80-2045.24097202535720597314.400.0021241.00-1968.83397202605420597414.600.0021761.97-1887.93297202672720597514.800.0022260.49-1802.53697202737320597615.000.0022735.34-1712.64597202799120597715.200.0023185.32-1618.26097202857820597815.400.0023609.20-1519.38097202913320597915.600.0024005.78-1416.00497202965520598015.800.0024373.84-1308.13597203014020598116.000.0024712.18-1195.77097203058720598216.200.0025019.56-1078.91197203099520598316.400.0025294.79-957.55797203136020598416.600.0025536.64-831.70897203168220598516.800.0025743.91-701.36597203195920598617.000.0025915.38-566.52697203218820598717.200.0026049.83-427.19397203236720598817.400.0026146.06-283.36597203249620598917.600.0026202.85-135.04297203257220599017.800.0026218.9817.77597203259420599118.000.0026193.25175.08897203256020599218.200.0026124.44336.89597203246720599318.400.0026011.33503.19797203231620599418.600.0025852.71673.99397203210420599518.800.0025647.37845.75297203183020599619.000.0025396.011012.96097203149520599719.200.0025100.371173.48197203110220599819.400.0024762.331327.00797203065320599919.600.0024383.791473.259972030153205910019.800.0023966.771611.979972029603205910120.000.0023513.321742.930972029008205910220.200.0023025.581865.896972028369205910320.400.0022505.741980.679972027692205910420.600.0021956.012087.104972026978205910520.800.0021378.702185.006972026232205910621.000.0020776.112274.241972025456205910721.200.0020150.612354.677972024655205910821.400.0019504.592426.195972023832205910921.600.0018840.462488.688972022989205911021.800.0018160.702542.059972022131205911122.000.0017467.752586.221972021260205911222.200.0016764.132621.095972020381205911322.400.0016052.362646.607972019496205911422.600.0015334.972662.689972018608205911522.800.0014614.512669.278