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BM 67648
(2)W=h'i= mmW =58mm (5)[D]= km (6)N= (10)v= mm h=
4ͼУAxA=600.25myA=1300.78mBxB=300.25m yB=1000.78mˮƽ =153627壬 =842545壬 =964714塣 λ
5ͼպˮ·߸ˮĸ̡߳
պˮ·ߵļ
վ ߲۲ֵh'i(m) γDi(km) վnI ߲vi=-Wni/N(mm) (m) (m) BM 67648
1 1.224 0.535 10 A
2 -2.424 0.980 15 B
3 -1.781 0.551 8 C
4 1.714 0.842 11 D
5 1.108 0.833 12 BM 67648
Wni=hi= mmW =58mm [D]= km N= v= mm h=
6֪AXA=140mYA=70mBXB=90mYB=120mԼAB
֮ˮƽDAB귽λǦAB
7ͼУBƸ߲ =13.6m(A)ͼʾվ߲мһѸֳߣ =1.530m =0.380m =13.480m =
8λõγߴˮƽʱ̶900ʱ١ڲվֱ۲Ŀ͡εļֱǶ±1ڱעעֱ̻̿עʽ2ֱǦ3ָX վ Ŀ λ ̶0 / // ֱǣ0 / // ƽֵ0 / // ָ// ע
O M 98 41 24 261 18 48 O N 86 16 18 273 44 00
9ͼϸ̵߳߸̵߳ĸ̡߳
ϸ̵߳ߵļ
α ߲۲ֵ(m) γ(km) ߲(mm) ĸ߲m H(m)
1 BM1 +30.461 1.560 231.566 A
2 -51.253 0.879 B
3 +120.315 2.036 C
4 -78.566 1.136 D
5 -36.560 1.764 BM2 215.921
㣺
10λõγߴˮƽʱ̶900ʱ١ô˾γǽֱǹ۲⣬1ڱעעֱ̻̿עʽ2ֱǦ3ָX
վ Ŀ λ ̶0 / // ֱǣ0 / // ƽֵ0 / // ָ// ע
O B 76 34 00 283 24 00
11±Dzطˮƽǹ۲ֲ,С
վ λ Ŀ ˮƽ̶ ؽֵ һؽֵ O M 00130 N 680712
M 1800142 N 2480730
12±һֱǹ۲ֲ,С
վ Ŀ λ ̶ ֱ ָ ƽֱ O A 753006 2843018
13±Dzطˮƽǹ۲ֲ,С
վ λ Ŀ ˮƽ̶ ؽֵ һؽֵ O M 00242 N 1253500 M 1800318
N 3053542
14AΪӵ,BΪǰӵ,A߳Ϊ250.456,ӶΪ1.457,ǰӶΪ1.696,ABĸ߲Ƕ?Bĸ߳Ƕ?
15ij潨ߣ1.200mݶΪ+24.000mײ0.000ľԸ߳Ϊ424.135mݶľԸ̸߳Ϊ٣
16֪HA=63.105mHB=71.563mHABHBA
17AΪӵ㣬BΪǰӵ㣬A߳Ϊ56.215mӶΪ1158mǰӶΪ1.762mʱABĸ߲Ƕ?ͼ˵
18ͼ2.32 ˮ۲ݣˮֲмˣĸ̡߳
ˮֲ
վ Ӷ(m) ǰӶ(m) ߲ ߳(m) ע + -
BMA TP1 TP1 TP2 TP2 TP3 TP3 TP4 TP4 B
= -
19ͼ2.33Ϊһˮ·߹۲ɹ֪HA=416.023mHB=416.791m̡߳
վ ʵ߲ ߲ ߳ BMA
1
2
3
BMA
20֪һ֧ˮ·ߵʼΪˮAHA=423.658m,A߲Ϊ-3.256m߲Ϊ+3.278m֧ߵ̳Ϊ1.7kmյBĸ̡߳ 21ƽ̹ĵϣøֳξ룬һֵΪ172.412mֵΪ172.423mڶֵΪ425.168mֵΪ465.190mԱȽһξȸߣǷϸ
22һߵij߳ʽΪL =30mC0.006m+1.2510-530(t-20c)m һ30mĸֳȽϣֱȱ߳11mmֳ߱Ƚʱ¶Ϊ25C˸ֳߵij̡߳
23һ30mĸֳߣ100N¶20棬߲Ϊʱļ춨Ϊ30.008møó߶εĵľ룬Ϊ100N±Խг߳¶ȼбʵ
24֪AΪ4䣬õĴƫΪ18䣬ABֱߵ귽λΪ11527䣬ABֱߵ淽λǺʹŷλǣͼʾ֮
255ͼ4.15֪12=67㣬2=135㣬3=227㡣ֱ2334귽λǺǡ
26ֱ֪AB귽λΪ1243942塢Ϊ58.12AΪA(200.00200.00)ԼBꡣ
27ֱ֪CD˵ֱΪC205.35528.46D273.41476.33ֱCD귽λǺˮƽ롣 28֪ϵԭOڲϵеΪO䣨285.78258.66Ϊƫ30㣬һƵڲϵеΪP477.55455.77ڽϵеꡣ
29иˮ·ߵˮ۲ɹ߳(20)
30øֳһֱߣijΪ21730mΪ21738m涨Ӧl2000ʣ(1)˲ɹǷ㾫Ҫ?(2)˹涨100mٺ?(10) 31֪ƵABP£
xA=189.000m, yA=102.000m, xB=185.165m, yB=126.702m
xp=200.000m, yp=124.000m, ýǶȽᷨPIJݡ 3
33֪ijJDK5+119.99ҽΪ13624䣬뾶R300mԼԲԪغ̣ԲIJ貽衣
34ˮA֧ˮ·߲1ŵ߲Ϊ28.465m߲28.451mHA=50.000m߲պϲfh1ŵĸ߳H1
35ڹˮļУУABȾ봦hAB=0.567m,ƽӵAߣúa=1.674m,ǰӶb=1.120m ʣ1LLCC
2 ݾʱ㻹㣿 3 У 36ͼʾƽ֪BM5BM6֮ԼΪ1KmƽBM6߳Ϊ57.932mҪƽΪ ƽ¼е̡߳
92ƪĵ