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The usage of the railroad terminal resourcesAldona Jaraniene
a
aTransport Research Institute , Vilnius Gediminas Technical University , Plytines g. 27,
Vilnius, LT10105, Lithuania E-mail:Published online: 27 Oct 2010.
To cite this article:Aldona Jaraniene (2004) The usage of the railroad terminal resources, Transport, 19:3, 124-129
To link to this article: http://dx.doi.org/10.1080/16484142.2004.9637964
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TRANSPORT
2004, Vol XIX, No 2, 124
129
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1M
2M
3M
( )sf tttft ...,,, 21=
sttt ...,,, 21
jt
( )Mmm ,...,1= comes into the terminal with different
type of cargoes ( )Nnn ...,,1= . The main line rail trans-
port is unloaded in various cargo fronts ( )Jjj ...,,1= , a
lot of different unloading mechanisms ( )Ppp ...,,1=are used for the unloading process. Unloaded cargoes
are stored or reloaded from the huge capacity main line
rail transport to loads ( )Lll ...,,1= .
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( )EVG , {}iV= { }jiE , ( )nji ...,1,; =
( )EVG ,
( )ji , ijt
ijt
( )tV Tt ...,,1= ( ) ( )tVji , ( )tni ...,,1=
( )tE
( ) ( )tVti , ( ) ( )( ) ( )tEtiti ,,,
1+= Tt
( ) ( )( )titi ,,, ( )tE 1=iit t 1+t
kt+
0=ijt itjtitjtxt itjtx ( )ti , ( )tj ,
titititi xC titjx
( ) ( )( )titi ,,, We will mark the offer ita and demandjtb in the top iat time t. Following a transport problem
dynamic way will be:
+
=
itjtitjttVjttVit
T
t
xC)()()()(1
min
= itjttitj
tVtjtVit
T
t
xC)()()()(1
....,,1
);()(,)()(
Tt
tVjtbxxx jtjtjtjtjtitjttVit
=
=+
=+)()(
);()(,tVjt
ittitiitititjt tVitaxxx
....,,1 Tt=
),()),(),,((,0,0 tEtjtixx itititjt
)()),(),,(( tEtiti
TttVitax ititjttVjt
,,1),()(,)()(
==
==
=j
jt
T
tiit
T
t
ba11
min0t
min0
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f
d
dp
p
tt
CC
tt
C
+>
+ 0
0
pC 0C
dC
pt 0t
ft
dt
p
dpdf
C
ttCCtt
)()(
00
min ++
=
ijktC
ijktS
ijktS
pijkt
S nijktS
nijktpijktijkt SSS +=
bpt
at
bt0
0pt
Maaa EEskEijkt CCCCCC
++++=
aEC
akC sC
aEC
MEC
aavE
TeC a = 365
ave the price of one load usage hour; aT the reduc-
tion of load idle time during 24 hours because of the
optimal usage of the resources to load it.
ap
vk Ct
AC a
=
vA Saved up time during 24 hours by every load;
pt average work time duration in 24 hours; aC
load price, Lt.
( )stts'esCs =
se expenditures to save one tone of cargo in 24 hours,
Lt; ss tt , storing time in existing conditions and sug-
gested conditions by new technologies.
DCGtC tsEa ,=
g average amount of carried out cargo, tones; st in-
equality-storing time between two terms; tC price ofone tone of cargo; index of the capital investmentsefficiency, equal to
00 ;/1 pp tt dividend time.
ZteC pcMEM 365=
Me
pct Z
( ) ( ) ( ) ( )11 +++=+ + tUBtUBtXtX
2,0 = Tt
( ) ( ) ( )11 += + TUBTXTX
( ) 00 XX =
( ) ( ) ( ) ,, tftUtl
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( ) ( ) ,tgtX Tt ,1=
( )
( ) Tt
tU
tX,0,
0
0 =
( )tUXJ ,,0
( ) maxTXn
( )0...,0,,0 =X
( ) { }= 0,...,0,,Tg ( )tR
( ) ( )( )
=
=
1
0min,
T
ttUtR
( )0...,0,,0 xX =
( ) { }xTg 0,...,0,,0=
( ) ( )nTg = ...,,,,0 32
xi0 = xi
( )t
( ) max,TXn
( ) ( )= ;; tftl ( )t
( )0...,0,,0 =X and
( ) ( )= ,0...,,0,Tg
( ) ( ) ( ) ( ) ( )+= ,,,,,,,, 21211 tftftftftf eeeee
( )tUe1 ( )tUe
2 ( )tU1
( ) ( )( )tUtR 1, ( )tU2 ( ) ( )
( )tUtC 2,
( ) ( )( ) ( ) ( )( )[ ] max,,,1
0
12 =
=
T
t
tUtRtUtC
( ) ( ) ( )tUtUtU =+ 21
( ) ( )
( ) ( )1,0,
,0
,022
11
=
Tt
tftU
tftU
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