道路超高计算表格教学提纲.xls

超高计算r=v*v/（(u+-in)*127）u取0.1-0.16（高速-低速）,in为横坡，超高时用—摩阻力计算u=(v*v-127*i*r)/(127*r)超高计算i=v*v/(127*r）-u市政90规范说明宣讲材料p88规范值（不设超高）车速203040506080100120u0.0670.0670.0670.0670.0670.0670.0670.067in-0.02-0.02-0.02-0.02-0.02-0.02-0.02-0.02市政规范不设超高半径70150300400600100016002200半径（计算结果）67151268419603107216752412超高计算（建议值）车速203040506080100120设超高推荐半径（市政规范）4085150200300400600800市政规范设超高推荐半径的推荐超高0.020.020.020.040.040.06半径（输入）40851502003004001500800u+-in0.0787401570.0833719310.0839895010.0984251970.0944881890.1259842520.0524934380.141732283u0.0670.0670.0670.0670.0670.0670.0670.067in（超高计算结果）0.0120.0160.0170.0310.0270.059-0.0150.075超高计算（最小值）车速203040506080100120半径（输入）204070100150250400600u+-in0.1574803150.1771653540.1799775030.1968503940.1889763780.2015748030.1968503940.188976378u0.160.160.160.160.150.140.120.1in0.000.020.020.040.040.060.080.09超高计算（对u进行调整）车速203040506080100120半径（输入）204070100150250400600u+-in0.1574803150.1771653540.1799775030.1968503940.1889763780.2015748030.1968503940.188976378u（调整）根据不设超高和最小半径内插0.160.160.160.160.150.140.120.1in（计算结果）0.000.020.020.040.040.060.080.09u值验算车速（输入）120半径（输入）400in（输入）0.05u（计算结果）0.233464567u值（小于）司机感觉0.1转弯不感到有曲线存在，很平稳0.15转弯感觉有曲线存在，但尚平稳0.2已感到有曲线存在，并不感到不平稳0.35感到有曲线存在，并感到不稳定0.4非常不平稳，有倾覆的危险u值内插计算u值内插计算结果计算行车速度不设超高最小半径u值设超高最小半径u值0.197220700.067200.160.193818182301500.067400.160.188304348403000.067700.160.191504000.0671000.160.102044444606000.0671500.150.11088010000.0672500.14100120超高计算车速（输入）100半径（输入）410u（输入）0.02in（结果）0.172049165公路宣讲材料p88规范值（不设超高）