超高计算

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超高计算

本设计路线中,平曲线半径均小于不设超高最小半径,所以要进行超高计算。超高方式都是绕边轴旋转。

(一)JD1处超高计算

1.计算参数

2%3%4%7mGJyiiiB路拱坡度,路肩坡度,超高横坡度,路面宽度,Jcb=1.5mL=120m路肩宽度,超高缓和段长度

R=800250,mm因为半径所以无需加宽

2.桩号超高计算

过渡段上:

桩号K0+100处:

020100087.0212.98=120604GcyixKKxLmi

cxJJGJGJycxhbiibibBiL

12.981.50.030.021.50.021.570.040.055120m

'1.50.03720.020.1152cxJJGBhbiim

''i1.50.031.500.020.015cxJJJxGhbbbim

桩号0150K处:

00150087.0262.9860xKKx

cxJJGJGJycxhbiibibBiL

62.981.50.030.021.50.021.570.040.209120m

'762.981.50.030.040.11922120cxJJycBxhbiimL

''62.98i1.50.031.500.040.014120cxJJJxycxhbbbimL

圆曲线上(K0+207.02~K0+341.24):

1.50.031.570.040.385cJJJyhbibBim

'1.50.033.50.040.1852cJJyBhbiim

''i1.50.031.500.040.015cxJJJyhbbbim

过渡段上:

桩号K0+350处:

020461.240350111.24=120604GcyixKKmxLmi

cxJJGJGJycxhbiibibBiL

111.241.50.030.021.50.021.570.040.358120m

'7111.241.50.030.040.17522120cxJJycBxhbiimL

''111.24i1.50.031.500.040.011120cxJJJxycxhbbbimL

桩号0400K处:

00461.24040061.2460xKKmxm

cxJJGJGJycxhbiibibBiL

61.241.50.030.021.50.021.570.040.204120m

'761.241.50.030.040.11622120cxJJycBxhbiimL

''61.24i1.50.031.500.040.014120cxJJJxycxhbbbimL

桩号0450K处:

020461.24045011.24=120604GcyixKKxLmi

cxJJGJGJycxhbiibibBiL

11.241.50.030.021.50.021.570.040.050120m

'1.50.03720.020.1152cxJJGBhbiim

''i1.50.031.500.020.015cxJJJxGhbbbim

上述式中:

0c''hcccxcxcxxxhhh与路拱同坡度的单向超高点至超高缓和段起点的距离;超高缓和段中任意一点至起点的距离;圆曲线段路肩外缘最大抬高值;h圆曲线段中线最大抬高值;h圆曲线段路基內缘最大降低值;过渡段路肩外缘最大抬高值;过渡段路中线最大抬高值;过渡段路基內缘最大降低值

(二)JD2处超高计算

1.计算参数

2%3%4%7mGJyiiiB路拱坡度,路肩坡度,超高横坡度,路面宽度,Jcb=1.5mL=120m路肩宽度,超高缓和段长度

R=300250,mm因为半径所以无需加宽

2.桩号超高计算

过渡段上:

桩号K0+900处:

0209000866.6933.31=120604GcyixKKxLmi

cxJJGJGJycxhbiibibBiL

33.311.50.030.021.50.021.570.040.118120m

'1.50.03720.020.1152cxJJGBhbiim

''i1.50.031.500.020.015cxJJJxGhbbbim

桩号0950K处:

009500866.6983.3160xKKx

cxJJGJGJycxhbiibibBiL

93.311.50.030.021.50.021.570.040.272120m

'783.311.50.030.040.14222120cxJJycBxhbiimL

''83.31i1.50.031.500.040.003120cxJJJxycxhbbbimL

圆曲线上(K0+866.69~K1+119.30):

1.50.031.570.040.385cJJJyhbibBim

'1.50.033.50.040.1852cJJyBhbiim

''i1.50.031.500.040.015cxJJJyhbbbim

过渡段上:

桩号K1+200处:

021239.30120039.30=120604GcyixKKxLmi

cxJJGJGJycxhbiibibBiL

39.301.50.030.021.50.021.570.040.136120m

'1.50.03720.020.115m2cxJJGBhbii

''i1.50.031.500.020.015cxJJJxGhbbbim

上述式中:

0c''hcccxcxcxxxhhh与路拱同坡度的单向超高点至超高缓和段起点的距离;超高缓和段中任意一点至起点的距离;圆曲线段路肩外缘最大抬高值;h圆曲线段中线最大抬高值;h圆曲线段路基內缘最大降低值;过渡段路肩外缘最大抬高值;过渡段路中线最大抬高值;过渡段路基內缘最大降低值

(三)JD3处超高计算

1.计算参数

2%3%4%7mGJyiiiB路拱坡度,路肩坡度,超高横坡度,路面宽度,Jcb=1.5mL=70m路肩宽度,超高缓和段长度

R=400250,mm因为半径所以无需加宽

2.桩号超高计算

过渡段上:

桩号K0+900处:

0217001654.71945.281=70354GcyixKKmxLmi

cxJJGJGJycxhbiibibBiL

45.2811.50.030.021.50.021.570.040.25470m

'745.2811.50.030.040.1362270cxJJycBxhbiimL

''45.281i1.50.031.500.040.04670cxJJJxycxhbbbimL

圆曲线上(K1+715.719~K1+815.842):

1.50.031.570.040.385cJJJyhbibBim

'1.50.033.50.040.1852cJJyBhbiim

''i1.50.031.500.040.015cxJJJyhbbbim

过渡段上:

桩号K1+850处:

021885.842185035.842=70354GcyixKKmxLmi

cxJJGJGJycxhbiibibBiL

35.8421.50.030.021.50.021.570.040.20470m

'735.8421.50.030.040.1172270cxJJycBxhbiimL

''35.842i1.50.031.500.040.01470cxJJJxycxhbbbimL

上述式中:

0c''hcccxcxcxxxhhh与路拱同坡度的单向超高点至超高缓和段起点的距离;超高缓和段中任意一点至起点的距离;圆曲线段路肩外缘最大抬高值;h圆曲线段中线最大抬高值;h圆曲线段路基內缘最大降低值;过渡段路肩外缘最大抬高值;过渡段路中线最大抬高值;过渡段路基內缘最大降低值

(四)JD4处超高计算

1.计算参数

2%3%4%7mGJyiiiB路拱坡度,路肩坡度,超高横坡度,路面宽度,Jcb=1.5mL=90m路肩宽度,超高缓和段长度

R=310250,mm因为半径所以无需加宽