鐵路工程測量（第三版）課件：附和導(dǎo)線坐標(biāo)計(jì)算

附和導(dǎo)線坐標(biāo)計(jì)算1附和導(dǎo)線平差計(jì)算步驟124.08164.10208.5394.18147.44

AB

CDXB=1230.88YB=673.45XC=1845.69YC=1039.9843°17′12″4°16′00″180°13′36″178°22′30″193°44′00″181°13′00″204°54′30″180°32′48″

B

1

2

3

4

CAB567CD8(1)繪制計(jì)算草圖,在圖上填寫已知數(shù)據(jù)和觀測數(shù)據(jù)22、依照草圖將已知數(shù)據(jù)填入表格點(diǎn)號轉(zhuǎn)折角

(右)

°′″改正后轉(zhuǎn)折角

°′″方位角

°′″邊長

D(米)坐標(biāo)增量(米)

X

Y改正后增量(米)

X

Y坐標(biāo)(米)XY點(diǎn)號AB5678CD180133617822301934400181130020454301803248124.08164.10208.53

94.18

147.44B5678C1230.88673.451845.691039.98431712

41600

3附和導(dǎo)線平差計(jì)算步驟3、角度閉合差的計(jì)算與調(diào)整。

4、按新的角值，推算各邊坐標(biāo)方位角。4附和導(dǎo)線平差計(jì)算步驟5、坐標(biāo)增量閉合差的計(jì)算與調(diào)整6、推算各點(diǎn)坐標(biāo)5附和導(dǎo)線坐標(biāo)計(jì)算表格點(diǎn)號轉(zhuǎn)折角

(右)

°′″改正后轉(zhuǎn)折角

°′″方位角

°′″邊長

D(米)坐標(biāo)增量(米)

X

Y改正后增量(米)

X

Y坐標(biāo)(米)XY點(diǎn)號AB5678CD180133617822301934400181130020454301803248124.08164.10208.53

94.18

147.44B5678C1230.88673.451845.691039.98+8+8+8+8+8+818013441782238193440818113082045438180325611190112431712

41600

430328444050305642294334

44856+90.66+116.68+178.85+81.79+146.92+84.71+115.39+46.70+107.23+12.38738.33+614.90+366.41+614.81+366.53

x=+0.09

y=-0.12

=

x

+

y=0.15022K=

=<

D1490012000-2-2-2-1-2+2+3+3+2+2+12-9+90.64+116.66+178.83+81.78+146.90+84.73+115.42+107.26+46.72+12.40+614.81+366.531321.521438.181617.011698.79758.18873.60980.86