Temiryo‘1 ustki qurilmalarining turlari
U stk i
qurilma
turi
Yillik
yuklangan-
lik, mln
t к m /km
B osh
yo'lda
rels turi
Shpal
turi
1 km bosh y o ‘lda
shpallar s o n i, dona
Ballast turi
t o ‘g ‘ri
y o ‘lda
egri yo'lda
R < 1 2 0 0 m
va V >120
k m /s yoki
R < 2 0 0 0 m
0 4 a
o g 'i r
50 d an
ortiq
R75
T e m i r - b e t o n
va
to 'y in tir il-
g a n y o g 'o c h
sh p a lla r
1840
2000
C h a q iq
tosh (q u m li
aso sda)
va asbest
O g 'i r
2 5 - 3 0
R65
Y u q o r id a -
gidek
1840
2000
Y u q o ri d a -
g idek
N o r m a l
25 g a c h a
R50
Y u q o rid a -
gidek
1840
2000
Y u q o rid a -
g id e k ,k a r -
yer sh ag 'al i
va c h ig 'a -
n o q la r
5 .8 . B a lla st qatlam i
Ballast qatlamining
a s o s iy va zifasi sh p a lla r d a n t u s h a d ig a n
k u c h n i y e r p o l o t n o s i n i n g a s o s i y m a y d o n c h a s i g a b ir t e k is
tarqa tish, s h p a lla r n in g vertikal va g o r i z o n t a l k u c h la r t a ’siriga
c h i d a m l i l i g i n i t a ’m i n l a s h
iz o s t i
z a m i n i n i n g e l a s t i k l i g i n i
t a ’m in la s h h a m d a r e ls - s h p a l panjarasini profild a rostlash va
u n d a n ustki suvlarni q o c h ir is h d a n iborat.
B allast q a t la m i o ‘z id a su v u s h la m a s lig i, a s o s iy m a y d o n -
c h a n i o r t iq c h a n a m l a n i s h d a n saq la sh i kerak. Ballast m ateriali
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