[12-11 17:00:56] 来源:http://www.tmgc8.com 工程技术 阅读:3459次
Y=L3÷[6(RLS)] - L7www.tmgc8.com÷[336(RLS)3]+L11÷[42240(RLS)5] - L15÷[9676800(
RLS)7]+L19÷[3530096640(RLS)9] - L23÷[1.8802409472
HZ':AK0+368.213的坐标从YH1
L=LS=HZ'-YH1
=368.213-223.715=144.498
X=117.1072 Y=59.8839
L对应弦长C=√(X2+Y2)=131.5301
偏角a1=arctg(Y÷X)=27°05’00.2”
* 偏角计算用反正切公式,不要用其它公式。
缓和曲线切线角:
a2=90L2÷(πK)
=90
=82
* K
K= A2=7224.900
Q3=180-a1-
=180-27www.tmgc8.com°05’00.2”-(180-82°47’28.5”)
=55°42’28.3”
=205
=205
=261
X=XYH1+Ccos261
Y=YYH1+Csin261
4"B
D"B
=205
=205
=288
=108
5
①
∵L= HZ’- HY2=368.213-271.881=96.332代入公式1、2得:X=92.434 Y=20.022
偏角Q= arctg(Y÷X