输入数据主航道与桥梁中心交点距桥梁主跨跨度需求通航净宽通航净高通航净宽上底宽通航净宽梗掖高通航水位桥梁与河流夹角桥墩横长xLBh0h2Hwθb1060457361.52.86636mmmmmmm度m桥墩纵长跨中等高段长度支点处等高段长度支点处梁高跨中梁高道碴厚箱梁底宽度富裕净高A1处实际轨底标高al1l2HH2E41039.54.50.74.20.517.96mmmmmmmmm输出数据实际通航净宽B实际=(60/2-0)*2*ABS(SIN(63/180*PI()))-(4^2+6^2)^0.5*COS(IF(63<=90,63,18047.18m-63)/180*PI()-ATAN(4/6))通航净宽满足满足要求通航净宽梗掖宽控制点A1至桥中距离A1处梁高A1处梁底标高最小值A1处轨底标高最小值b2x1=(45-36)/236/2/ABS(SIN(63/180*PI()))+4.2/2/ABS(TAN(63/180*PI()))+0(9.5-4.5)/(60/2-3/2-10/2)^2*(21.272-10/2)^2+4.5=2.86+7+0.5=10.36+6.898+0.74.5m21.27m6.898m10.36m17.96mA1处梁底标高满足规范要求A1θA1
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