-Traffic Flow Fundamentals
of 12
-
Upload
sean-kevin -
Category
Documents
-
view
233 -
download
1
Transcript of -Traffic Flow Fundamentals
-
8/12/2019 -Traffic Flow Fundamentals
1/12
1/22/2014
1
A A ,
.
.
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
2/12
1/22/2014
2
,
,
= (/) (6.11)
. =, /
. 6.11
2 = (/) (6.12)
A A ,
A / . 6.11
= (/) 2 (6.13)
6.12 6.13
. 6.11 ,
.
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
3/12
1/22/2014
3
. 6.12,
,
2= (/) (/)
/ = (/) 2(/) = 2(/)
/ = 0, =2/, = /2 (6.14)
A A ,
,
.
. 6.13
= (/) 2
,
/ = 2(/)
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
4/12
1/22/2014
4
,
/ = 0
= 2(/) (6.15)
/2 =
, , .
= / 4 (6.16)
A A ,
.
= (/) (6.17)
= (/) (6.18)
,
/ = (/)
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
5/12
1/22/2014
5
,
/ = 0, / = 1
= 1 + (6.19)
/= 1
1 (
/
) . 6.17
=
, .
A A ,
.
.
.
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
6/12
1/22/2014
6
,
= + (6.20)
. 6.21 6.22
= (1/)=1 (/)=1 = (6.21)
=1 (1/)(=1)(=1)
= (6.22)
=1
2 (1/)(=1)2
=
=
= A A ,
A
2,
=1( )2
2 = (6.23)
=1()2
.
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
7/12
1/22/2014
7
6.1 ( 1 2)
.
6.1
A A ,
, = (/)
,
.6.20,
,
, .
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
8/12
1/22/2014
8
= 404.8 = 892 = 28.91= 20,619.8 2 = 66,628.0 = 63.71
. 6.21 . 6.22,
= 28.91 63.71
20,619.8 (892)(404.8)/14
= = 0.53
66,628 (892)2/14
= 28.91 63.71 ( 0.53) = 62.68
A A ,
= 62.68 = 0.53, = 62.56 , /=
0.53, = 118 ,
= 62.68 0.53
. 6.23 2, 2 = 0.95.
,
. 6.16
= / 4 = 118 (62.68) / 4 = 1849
. 6.14
, , (62.68/2) = 31.3 , . 6.15,
, (118/2) = 59 .
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
9/12
1/22/2014
9
6.1
. 6.17:
= (/)
=
:
. 6.24 . 6.20,
, ,
, . 6.1
, ,
A A ,
() 6.2
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
10/12
-
8/12/2019 -Traffic Flow Fundamentals
11/12
1/22/2014
11
. ()
, () , () , ()
.
(/) (/)
14.2 85
24.1 70
30.3 55
40.1 4150.6 20
55.0 15
A A ,
(/)
(/)
2
14.2 85
24.1 70
30.3 5540.1 41
50.6 20
55.0 15
:
A A ,
-
8/12/2019 -Traffic Flow Fundamentals
12/12
1/22/2014
12
= (1/)=1 (/)=1 =
=1 (1/)(=1)(=1)
=
=12 (1/)(=1)
2
A A ,
