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m法(单排桩柱式桥墩)

h1= γ= m1= m2= m= α=
m= α= α= αh= kh= αh= A1= B1= C1= D1= A2= B2= C2= D2= A3= B3= C3= D3= A4= B4= C4=
1.5 1.0 0.9 2.25 30000 0.2485
5964117
36 5 1 1.65 0.4389 4000 7500 5964 0.2954
D4=
-23.14040
h=az 0
0.1 0.2
0.3
0.4 0.5
0.6 0.7 0.8 0.9 1.0
1.1 1.2 1.3 1.4 1.5
1.6 1.7 1.8 1.9 2.0
2.2 2.4 2.6 2.8 3.0
3.5 4.0
说明: 1、红色 部分根 据实际 情况输 入,其 余位置
(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
-0.00213 -0.00521
1.00000 0.99999
0.99994
0.99974 0.99922
0.10000 -0.00500 -0.00033 0.20000 -0.02000 -0.00267
0.30000 -0.04500 -0.00900
0.39998 -0.08000 -0.02133 0.49991 -0.12499 -0.04167
-1.69334 -2.14117 -2.62126 -3.10341 -3.54058
-1.90567 -2.66329 -3.59987 -4.71748 -5.99979
-0.27087 -0.94885 -1.87734 -3.10791 -4.68788
1.57538 -2.12481 -3.35952 1.35201 -2.33901 -4.22811 0.91679 -2.43695 -5.14023 0.19729 -2.34558 -6.02299 -0.89126 -1.96928 -6.76460
桩身作用效应无量纲系数用表
A3
B3
C3
D3
A4
B4
C4
0.00000 0.00000 1.00000 0.00000 0.00000 0.00000 0.00000
-0.00017 -0.00133
-0.00450
-0.01067 -0.02083
-0.00001 -0.00013
-0.00067
-0.00001 -0.00020
-0.00101
-0.00320 -0.00781
-0.03600 -0.05716 -0.08532 -0.12144 -0.16652
-0.01080 -0.02001 -0.03412 -0.05466 -0.08329
0.99806 0.99580 0.99181 0.98524 0.97501
-0.18285 -0.25886 -0.35631 -0.47883 -0.63027
-0.67629 -0.80848 -0.95564 -1.11796 -1.29535
-0.54348 -0.69144 -0.86715 -1.07357 -1.31361
0.73859 0.64637 0.52997 0.38503 0.20676
0.59974 -0.17997 -0.07199 0.69935 -0.24490 -0.11433 0.79854 -0.31975 -0.17060 0.89705 -0.40443 -0.24284 0.99445 -0.49881 -0.33298
-0.01620 -0.03001 -0.05120 -0.08198 -0.12493
-0.22152 -0.28737 -0.36496 -0.45515 -0.55870
-0.12192 -0.17260 -0.23760 -0.31933 -0.42039
0.95975 0.93783 0.90727 0.86573 0.81054
1.09016 -0.60268 -0.44292 1.18342 -0.71573 -0.57450 1.27320 -0.83753 -0.72950 1.35821 -0.96746 -0.90754 1.43680 -1.10468 -1.11609
0.17998 0.24495 0.31988 0.40472 0.49941
0.03600 0.05716 0.08532 0.12146 0.16657
-0.00540 -0.01000 -0.01707 -0.02733 -0.04167
0.99870 0.99720 0.99454 0.99016 0.98333
-2.84858 -3.97323 -5.35541 -6.99007 -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
D4 1.00000
1.00000 0.99999
0.99992
0.99966 0.99896
0.99741 0.99440 0.98908 0.98032 0.96667
0.94634 0.91712 0.87638 0.82102 0.74745
0.65156 0.52871 0.37368 0.18071 -0.05652
桩径
桩的计算宽度 桩砼抗压弹性模量 桩毛面积惯性矩 桩抗弯刚度 地面或冲刷线下桩埋
在hm深度内有两层 第一层土深度
第一层土m值 第二层土m值 非岩石类土比例系数 桩的变形系数 在hm深度内没有两层 非岩石类土比例系数 桩的变形系数 判断得到桩变形系数
选取 无量纲系数(查表)
d= k= kf= b1= Ec= I= EI=0.8Ec I= h= hm=
1.50695 -1.24808 -1.35042 1.56621 -1.39623 -1.61340 1.61162 -1.54728 -1.90577 1.63969 -1.69889 -2.22745 1.64628 -1.84818 -2.57798
-0.81466 -1.03616 -1.29909 -1.60770 -1.96620
2.27217 2.60882 2.90670 3.12843 3.22471
1.72042 2.19535 2.72365 3.28769 3.85838
-0.95616 -1.33889 -1.81479 -2.38756 -3.05319
0.15127 -0.30273 -0.92602 -1.175483 -2.82410
表P.0.8 计算桩身作用效应无量纲系数
A1
B1
C1
D1
A2
B2
C2
D2
1.00000 0.00000 0.00000 0.00000 0.00000 1.00000 0.00000 0.00000
1.00000 1.00000
0.99998
0.99991 0.99974
0.10000 0.20000
m
m Mpa m4 kN·m2 m m
m
kN/m4 kN/m4 kN/m4
5000 kN/m4 0.2852 0.2954 10.6 (要求αh>2.5)
0 4.0 -5.85333 -5.94097 -0.92677 4.54780 -6.53316 -12.15810 -10.60840 -3.76647 -1.61428 -11.73066 -17.91860 -15.07550 9.24368 -0.35762 -15.61050
H0=1作用时水平位移 H0=1作用时转角 M0=1作用时水平位移 M0=1作用时转角
(H0H)= (M0H)= (H0M)=(M0H)= (M0M)=
1.5873E-05 m/kN 3.1144E-06 rad/kN 3.1144E-06 m/kN·m 9.9358E-07 rad/kN·m
(2)桩顶自由,桩底嵌固在基岩中的单排桩式桥墩
0.59981 0.69951 0.79891 0.89779 0.99583
0.17998 0.24494 0.31983 0.40462 0.49921
0.98658 0.97927 0.96908 0.95523 0.93681
1.09508 1.19171 1.28660 1.37910 1.46839
0.99996
0.99983 0.99948
0.10000 0.20000
0.30000
0.39998 0.49994
0.00500 0.02000
0.04500
0.08000 0.12499
0.99935 0.99860 0.99727 0.99508 0.99167
0.59987 0.69967 0.79927 0.89852 0.99722
0.60384 0.71787 0.84127 0.97373 1.11484
0.22163 0.28758 0.36536 0.45588 0.55997
-0.06096 -0.08632 -0.11883 -0.15973 -0.21030
0.97317 0.95855 0.93817 0.91047 0.87365
1.09262 1.18756 1.27990 1.36865 1.45259
0.60346 0.71716 0.84002 0.97163 1.11145
0.91280 0.88201 0.84313 0.79467 0.73502
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