1、桩径 d= 1.5 m 表P.0.8 计算桩身作用效应无量纲系数用表k= 1.0 h=azkf= 0.9 0桩的计算宽度 b1= 2.25 m桩砼抗压弹性模量 Ec= 30000 Mpa 0.1桩毛面积惯性矩 I= 0.2485 m4 0.2桩抗弯刚度 EI=0.8EcI= 5964117 kNm2 0.3地面或冲刷线下桩埋深 h= 36 m 0.4hm= 5 m 0.5在hm深度内有两层土? 1第一层土深度 h1= 1.65 m 0.6= 0.4389 0.7第一层土m值 m1= 4000 kN/m4 0.8第二层土m值 m2= 7500 kN/m4 0.9非岩石类土比例系数 m= 5964
2、 kN/m4 1.0桩的变形系数 = 0.2954在hm深度内没有两层土 1.1非岩石类土比例系数 m= 5000 kN/m4 1.2桩的变形系数 = 0.2852 1.3判断得到桩变形系数 = 0.2954 1.4h= 10.6 (要求h2.5) 1.5kh= 0选取 h= 4.0 1.6无量纲系数(查表) A1= -5.85333 1.7B1= -5.94097 1.8C1= -0.92677 1.9D1= 4.54780 2.0A2= -6.53316B2= -12.15810 2.2C2= -10.60840 2.4D2= -3.76647 2.6A3= -1.61428 2.8B3=
3、 -11.73066 3.0C3= -17.91860D3= -15.07550 3.5A4= 9.24368 4.0B4= -0.35762C4= -15.61050 说明:D4= -23.14040 1、红色部分根据实际情况输入,其余位置请勿改动!(1)桩顶自由,桩底支承在非岩石类土或基岩面上的单排桩式桥墩 2、该EXCEL表格是按照公路桥涵地基与基础设计规范H0=1作用时水平位移 0.000015873m/kN (JTG D63-2007)附录P计算。H0=1作用时转角 3.11436E-06rad/kNM0=1作用时水平位移 3.11436E-06m/kNmM0=1作用时转角 9.93
4、576E-07rad/kNm(2)桩顶自由,桩底嵌固在基岩中的单排桩式桥墩H0=1作用时水平位移 1.56134E-05m/kNH0=1作用时转角 3.07369E-06rad/kN0H=d()M0d0H=()MdM0=1作用时水平位移 3.07369E-06m/kNmM0=1作用时转角 9.83137E-07rad/kNm0HM=d()A1 B1 C1 D1 A2 B2 C2 D21.00000 0.00000 0.00000 0.00000 0.00000 1.00000 0.00000 0.000001.00000 0.10000 0.00500 0.00017 0.00000 1.00
5、000 0.10000 0.005001.00000 0.20000 0.02000 0.00133 -0.00007 1.00000 0.20000 0.020000.99998 0.30000 0.04500 0.00450 -0.00034 0.99996 0.30000 0.045000.99991 0.39999 0.08000 0.01067 -0.00107 0.99983 0.39998 0.080000.99974 0.49996 0.12500 0.02083 -0.00260 0.99948 0.49994 0.124990.99935 0.59987 0.17998 0
6、.03600 -0.00540 0.99870 0.59981 0.179980.99860 0.69967 0.24495 0.05716 -0.01000 0.99720 0.69951 0.244940.99727 0.79927 0.31988 0.08532 -0.01707 0.99454 0.79891 0.319830.99508 0.89852 0.40472 0.12146 -0.02733 0.99016 0.89779 0.404620.99167 0.99722 0.49941 0.16657 -0.04167 0.98333 0.99583 0.499210.986
7、58 1.09508 0.60384 0.22163 -0.06096 0.97317 1.09262 0.603460.97927 1.19171 0.71787 0.28758 -0.08632 0.95855 1.18756 0.717160.96908 1.28660 0.84127 0.36536 -0.11883 0.93817 1.27990 0.840020.95523 1.37910 0.97373 0.45588 -0.15973 0.91047 1.36865 0.971630.93681 1.46839 1.11484 0.55997 -0.21030 0.87365
8、1.45259 1.111450.91280 1.55346 1.26403 0.67842 -0.27194 0.82565 1.53020 1.258720.88201 1.63307 1.42061 0.81193 -0.34604 0.76413 1.59963 1.412470.84313 1.70575 1.58362 0.96109 -0.43412 0.68645 1.65867 1.571500.79467 1.76972 1.75090 1.12637 -0.53768 0.58967 1.70468 1.734220.73502 1.82294 1.92402 1.308
9、01 -0.65822 0.47061 1.73457 1.898720.57491 1.88709 2.27217 1.72042 -0.95616 0.15127 1.73110 2.222990.34691 1.87450 2.60882 2.19535 -1.33889 -0.30273 1.61286 2.518740.033146 1.75473 2.90670 2.72365 -1.81479 -0.92602 1.33485 2.74972-0.38548 1.49037 3.12843 3.28769 -2.38756 -1.175483 0.84177 2.86653-0.
10、92809 1.03679 3.22471 3.85838 -3.05319 -2.82410 0.06837 2.80406-2.92799 -1.27172 2.46304 4.97982 -4.98062 -6.70806 -3.58647 1.27018-5.85333 -5.94097 -0.92677 4.54780 -6.53316 -12.15810 -10.60840 -3.76647表P.0.8 计算桩身作用效应无量纲系数用表1、红色部分根据实际情况输入,其余位置请勿改动!2、该EXCEL表格是按照公路桥涵地基与基础设计规范(JTG D63-2007)附录P计算。A3 B3
11、 C3 D3 A4 B4 C40.00000 0.00000 1.00000 0.00000 0.00000 0.00000 0.00000-0.00017 -0.00001 1.00000 0.10000 -0.00500 -0.00033 -0.00001-0.00133 -0.00013 0.99999 0.20000 -0.02000 -0.00267 -0.00020-0.00450 -0.00067 0.99994 0.30000 -0.04500 -0.00900 -0.00101-0.01067 -0.00213 0.99974 0.39998 -0.08000 -0.0213
12、3 -0.00320-0.02083 -0.00521 0.99922 0.49991 -0.12499 -0.04167 -0.00781-0.03600 -0.01080 0.99806 0.59974 -0.17997 -0.07199 -0.01620-0.05716 -0.02001 0.99580 0.69935 -0.24490 -0.11433 -0.03001-0.08532 -0.03412 0.99181 0.79854 -0.31975 -0.17060 -0.05120-0.12144 -0.05466 0.98524 0.89705 -0.40443 -0.2428
13、4 -0.08198-0.16652 -0.08329 0.97501 0.99445 -0.49881 -0.33298 -0.12493-0.22152 -0.12192 0.95975 1.09016 -0.60268 -0.44292 -0.18285-0.28737 -0.17260 0.93783 1.18342 -0.71573 -0.57450 -0.25886-0.36496 -0.23760 0.90727 1.27320 -0.83753 -0.72950 -0.35631-0.45515 -0.31933 0.86573 1.35821 -0.96746 -0.9075
14、4 -0.47883-0.55870 -0.42039 0.81054 1.43680 -1.10468 -1.11609 -0.63027-0.67629 -0.54348 0.73859 1.50695 -1.24808 -1.35042 -0.81466-0.80848 -0.69144 0.64637 1.56621 -1.39623 -1.61340 -1.03616-0.95564 -0.86715 0.52997 1.61162 -1.54728 -1.90577 -1.29909-1.11796 -1.07357 0.38503 1.63969 -1.69889 -2.2274
15、5 -1.60770-1.29535 -1.31361 0.20676 1.64628 -1.84818 -2.57798 -1.96620-1.69334 -1.90567 -0.27087 1.57538 -2.12481 -3.35952 -2.84858-2.14117 -2.66329 -0.94885 1.35201 -2.33901 -4.22811 -3.97323-2.62126 -3.59987 -1.87734 0.91679 -2.43695 -5.14023 -5.35541-3.10341 -4.71748 -3.10791 0.19729 -2.34558 -6.
16、02299 -6.99007-3.54058 -5.99979 -4.68788 -0.89126 -1.96928 -6.76460 -8.84029-3.91921 -9.54367 -10.34040 -5.85402 1.07408 -6.78895 -13.69240-1.61428 -11.73066 -17.91860 -15.07550 9.24368 -0.35762 -15.61050表P.0.8 计算桩身作用效应无量纲系数用表D41.000001.000000.999990.999920.999660.998960.997410.994400.989080.980320.
17、966670.946340.917120.876380.821020.747450.651560.528710.373680.18071-0.05652-0.69158-1.59151-2.82106-4.44491-6.51972-13.82610-23.14040表P.0.8 计算桩身作用效应无量纲系数用表桥墩与支座的集成抗推刚度一个单排桩桥墩墩柱数 n= 4墩柱直径 d= 1.3墩柱砼抗压弹性模量 Ec= 30000墩柱毛面积惯性矩 I= 0.1402墩柱抗弯刚度 EI=0.8EcI= 3364764墩高(墩顶到桩顶) h= 2.4桩刚度(非岩石类土) 1.5873E-053.1144E
18、-063.1144E-069.9358E-07桥墩墩顶抗推刚度 105501桥墩与支座的集成刚度 Ki= 384243(0)()(0)(0)2.8HMHMnihhEcIKdd=+ iK=0H=d(M0d两排支座m 支座1 型号 GYZ 325*55Mpa 横向一排支座个数 n= 11m4 一个支座平面面积 A= 82958 mm2kNm2 橡胶支座剪切弹性模量G= 1 Mpam 支座橡胶层总厚度 t= 38.5 mmm/kN 横向支座一排抗推刚度 23702 kN/mrad/kN 支座2 型号 GYZ 250*42m/kNm 横向一排支座个数 n= 22rad/kNm 一个支座平面面积 A= 49087 mm2橡胶支座剪切弹性模量G= 1 MpakN/m 支座橡胶层总厚度 t= 29.4 mm横向支座一排抗推刚度 36732 kN/m两排支座并联后刚度 Kzi= 60434 kN/mkN/m1/zKnAGt=2/zKnAGt=桥墩与支座的集成抗推刚度