m法(單排樁柱式橋墩)

1、oza-hooooo67890O.O.O.O.L12345678901X1x1x1x1x1x1x1x1x鴕擁iij說部據(jù)情入余樁徑d二l.5m2l.Okf二0.9樁的計(jì)算寬度bl=2.25m樁磴抗壓彈性模量Ec=30000Mpa樁毛面積慣性矩I=0.2485m4樁抗彎剛度EI=O.8EcI二5964117kNm2地面或沖刷線下樁埋h=36mhm=5m在hm深度內(nèi)有兩層l第一層土深度hl=l.65mY二0.4389第一層土m值ml二4000kN/m4第二層土m值m2=7500kN/m4非巖石類土比例系數(shù)m=5964kN/m4樁的變形系數(shù)a二0.2954在hm深度內(nèi)沒有兩層非巖石類土比例系數(shù)m=5

2、000kN/m4樁的變形系數(shù)a二0.2852判斷得到樁變形系數(shù)a二0.2954ah=10.6（要求ah2.5）kh=0選取ah=4.0無量綱系數(shù)（查表）Al=-5.85333Bl=-5.94097Cl=-0.92677Dl=4.54780A2=-6.53316B2=-12.15810C2=-10.60840D2=-3.76647A3=-l.61428B3=-ll.73066C3=-17.91860D3=-15.07550A4=9.24368B4=-0.35762C4=-15.61050D4二一2314040(1)樁頂自由，樁底支承在非巖石類土或基巖面上的單排樁式橋墩$0=殳0)4ih=左0H0

3、二1作用時(shí)水平位移H0二1作用時(shí)轉(zhuǎn)角M0二1作用時(shí)水平位移M0二1作用時(shí)轉(zhuǎn)角1.5873E-05m/kN3.1144E-06rad/kN3.1144E-06m/kNm9.9358E-07rad/kNm該CEL饕鷲瀘2.EX格照路地基UDM流塑性黏土/L1.0m/l075,淤泥可塑黏性土075?稍密粉土硬塑黏性土025;砂，中密粉土注:1.本表用于茅2.當(dāng)基礎(chǔ)側(cè)ifi用。$=殳0)4ih=左0(2)樁頂自由，樁底HO二1作用時(shí)水平位移H0二1作用時(shí)轉(zhuǎn)角M0二1作用時(shí)水平位移M0二1作用時(shí)轉(zhuǎn)角1.5613E-05m/kN3.0737E-06rad/kN3.0737E-06m/kNm9.8314E-

4、07rad/kNP.o.l樁的計(jì)算寬度可按下式計(jì)算：當(dāng)dal.Om時(shí)析二也f(d+l)當(dāng)d1.0m時(shí)b=AAf(l,5(/+0.5)對(duì)單排樁或心0.6右的多排樁4=1.0對(duì)L0-2表P.0-3樁柱頂受力的單排樁柱式橋墩計(jì)算用表(1)柱頂自由，樁底支承在非巖石類土或基巖面(2)柱項(xiàng)自由，樁j上的單排樁式橋墩巖中的單排樁式橋均H令111/H”M計(jì)算圖式Z0/1111變位后/樁柱軸線1扣產(chǎn)也/地面或局、部沖刷線I10從從,/尸/!E、1JX2s/zZ地面或局部沖刷線處樁的作用效應(yīng)彎矩MonM+畑+人）剪力hq=h地而或局部沖刷線處作用單位“力”時(shí)，該截面產(chǎn)生的變位A/o=l作用時(shí)水平位移g1.（34

5、-R4D3）+h（B2D442）0El（人3&A4B3）+&h（人2&人42）轉(zhuǎn)角（rad）界0）1（人3。4一6）+也（人2。4-血。2）期a2EI384鬲）+屁（如&-人也）d曙扁X鶴1作用時(shí)水平位移WW）1（EQ-8&）+血（艮G-BO叩訊a27（人3B4屍）+*h（*24-九場(chǎng)）轉(zhuǎn)角（rad）“1-（43C4-A4C3）+kAiC-/I4C2）測(cè)aEI（A3B4-缶3）+屁（*2艮九民）表P.0.8計(jì)算樁身作用;A1B1C1D1A2B2C2D21.000000.000000.000000.000000.000001.000000.000000.000001.000000.100000.

6、005000.000170.000001.000000.100000.005001.000000.200000.020000.00133-0.000071.000000.200000.020000.999980.300000.045000.00450-0.000340.999960.300000.045000.999910.399990.080000.01067-0.001070.999830.399980.080000.999740.499960.125000.02083-0.002600.999480.499940.124990.999350.599870.179980.03600-0.0

7、05400.998700.599810.179980.998600.699670.244950.05716-0.010000.997200.699510.244940.997270.799270.319880.08532-0.017070.994540.798910.319830.995080.898520.404720.12146-0.027330.990160.897790.404620.991670.997220.499410.16657-0.041670.983330.995830.499210.986581.095080.603840.22163-0.060960.973171.09

8、2620.603460.979271.191710.717870.28758-0.086320.958551.187560.717160.969081.286600.841270.36536-0.118830.938171.279900.840020.955231.379100.973730.45588-0.159730.910471.368650.971630.936811.468391.114840.55997-0.210300.873651.452591.111450.912801.553461.264030.67842-0.271940.825651.530201.258720.882

9、011.633071.420610.81193-0.346040.764131.599631.412470.843131.705751.583620.96109-0.434120.686451.658671.571500.794671.769721.750901.12637-0.537680.589671.704681.734220.735021.822941.924021.30801-0.658220.470611.734571.898720.574911.887092.272171.72042-0.956160.151271.731102.222990.346911.874502.6088

10、22.19535-1.33889-0.302731.612862.518740.0331461.754732.906702.72365-1.81479-0.926021.334852.74972-0.385481.490373.128433.28769-2.38756-1.1754830.841772.86653-0.928091.036793.224713.85838-3.05319-2.824100.068372.80406-2.92799-1.271722.463044.97982-4.98062-6.70806-3.586471.27018-5.85333-5.94097-0.9267

11、74.54780-6.53316-12.15810-10.60840-3.76647表P.0.2-1非巖石類土的m值和加o值呂稱m和加0(kN/m4)土的名稱m和mo(kN/m4)1.0,軟塑黏性土I3000-5000堅(jiān)碩,半堅(jiān)硬黏性土hwO,粗砂，密實(shí)粉土20000-30000，l0.25,粉砂，5000-10000礫砂，角礫，圓礫，碎石卵石30000-80000細(xì)砂,中10000-20000密實(shí)卵石夾粗砂,密實(shí)漂、卵石80000-120000吿礎(chǔ)在地面處位移最大值不應(yīng)超過6mm的悄況當(dāng)位移較大時(shí)應(yīng)適當(dāng)降低。E設(shè)有斜坡或臺(tái)階，且其坡度（橫:竪）或臺(tái)階總寬與深度之比大于1：20時(shí)表中m值應(yīng)滅小

12、50%取底嵌固在基“變位后樁柱軸線lnEl池面或局i1-BD?hAS-a1d2n-人厲DG-dqA?改應(yīng)無量綱系數(shù)用表A30.00000B30.00000C31.00000D30.00000A40.00000B40.00000C40.00000-0.00017-0.000011.000000.10000-0.00500-0.00033-0.00001-0.00133-0.000130.999990.20000-0.02000-0.00267-0.00020-0.00450-0.000670.999940.30000-0.04500-0.00900-0.00101-0.01067-0.00213

13、0.999740.39998-0.08000-0.02133-0.00320-0.02083-0.005210.999220.49991-0.12499-0.04167-0.00781-0.03600-0.010800.998060.59974-0.17997-0.07199-0.01620-0.05716-0.020010.995800.69935-0.24490-0.11433-0.03001-0.08532-0.034120.991810.79854-0.31975-0.17060-0.05120-0.12144-0.054660.985240.89705-0.40443-0.24284

14、-0.08198-0.16652-0.083290.975010.99445-0.49881-0.33298-0.12493-0.22152-0.121920.959751.09016-0.60268-0.44292-0.18285-0.28737-0.172600.937831.18342-0.71573-0.57450-0.25886-0.36496-0.237600.907271.27320-0.83753-0.72950-0.35631-0.45515-0.319330.865731.35821-0.96746-0.90754-0.47883-0.55870-0.420390.8105

15、41.43680-1.10468-1.11609-0.63027-0.67629-0.543480.738591.50695-1.24808-1.35042-0.81466-0.80848-0.691440.646371.56621-1.39623-1.61340-1.03616-0.95564-0.867150.529971.61162-1.54728-1.90577-1.29909-1.11796-1.073570.385031.63969-1.69889-2.22745-1.60770-1.29535-1.313610.206761.64628-1.84818-2.57798-1.966

16、20-1.69334-1.90567-0.270871.57538-2.12481-3.35952-2.84858-2.14117-2.66329-0.948851.35201-2.33901-4.22811-3.97323-2.62126-3.59987-1.877340.91679-2.43695-5.14023-5.35541-3.10341-4.71748-3.107910.19729-2.34558-6.02299-6.99007-3.54058-5.99979-4.68788-0.89126-1.96928-6.76460-8.84029-3.91921-9.54367-10.34040-5.854021.07408-6.78895-13.69240-1.61428-11.