绂忓缓鍐滄灄澶у鏈姣曚笟璁捐璁＄畻涔?/p>
- 1 -
闄勫綍锛氳绠椾功
1
骞虫洸绾胯绱犺绠?/p>
璁捐鏃堕�熶负
50km/h
銆傝捣鐐规々鍙蜂负
K0+000.000
锛涗氦鐐归棿璺濓細璧风偣鍒?/p>
JD
1
涓?/p>
802.499
m
锛?/p>
JD
1
鍒?/p>
ZD
涓?/p>
695.824m
銆?/p>
1.1 JD
1
鐐圭殑鏇茬嚎瑕佺礌鍙婂叾妗╁彿璁＄畻
(1)
鍋忚
鐢卞浘涓婅寰?/p>
JD
0
鐨勫乏鍋忚涓?/p>
47
掳
19
鈥?/p>
19
鈥?/p>
(2)
绠椾氦鐐规々鍙?/p>
JD
1
锛堟々鍙凤級
=K0+000.000+802.499=K0+802.499
(3)
璁炬洸绾垮崐寰?/p>
璁?/p>
R
0
=1500m Ls=0m
(4)
璁＄畻鏇茬嚎瑕佺礌
0
q
= Ls/2
锛?/p>
Ls
3
/240R
2
= 0m
0
P
= Ls
2
/24R
锛?/p>
Ls
4
/2384R
3
=0 m
0
飦?/p>
飦?/p>
=28.6479 Ls
/R=0
掳
0
T
=(R
锛?/p>
P) tan(
伪
/2)
锛?/p>
q =(1500
锛?/p>
0) tan(47
掳
19
鈥?/p>
19
鈥?/p>
/2)
锛?/p>
0=657.237m
L
y0
=R(
伪
-
0
2
飦?/p>
)脳
飦?/p>
/180掳锛?/p>
(47
掳
19
鈥?/p>
19
鈥筹紞
0
掳
)
脳
飦?/p>
脳
1500/180=1238.888m
0
E
=(R
锛?/p>
P)sec(
伪
/2)
锛?/p>
R =(1500
锛?/p>
0)
脳sec(
47
掳
19
鈥?/p>
19
鈥?/p>
/2)
锛?/p>
1500=137.669m
(5)
璁＄畻涓荤偣妗╁彿
ZY(
妗╁彿
)=JD0(
妗╁彿
)
锛?/p>
T
0
= K0+802.499
锛?/p>
657.237=K0+145.261
QZ(
妗╁彿
)=ZY(
妗╁彿
)+L
y0
/2= K0+145.261+1238.888/2= K0+764.706
YZ(
妗╁彿
)=QZ(
妗╁彿
)+L
y0
/2=K0+764.706+1238.888/2=K1+384.150
2
绔栨洸绾胯绱犺绠?/p>
鍙樺潯鐐?/p>
1
锛?/p>
i
1
= 1.000%
锛?/p>
i
2
= -0.833%
銆?/p>
锛?/p>
1
锛夎绔栨洸绾垮崐寰?/p>
璁?/p>
R=6000m
锛?/p>
2
锛夎绠楁洸绾胯绱?/p>
蠅
= i
2
锛?/p>
i
1
=-0.833%
锛?/p>
1.000% =-1.833%
涓哄嚫褰?/p>