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