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Melioratsiya
Pdf ko'rish
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| bet | 129/189 | | Sana | 22.01.2024 | | Hajmi | 10,96 Mb. | | #142869 |
Bog'liq Melioratsiya mashinalarik0
3,6 106
bu yerda yt- tuproqning solishtirma og‘irligi, N/m3; hk0‘- tuproqni
rotor yordamida ko‘tarish balandligi,
203
Ato. = *+(0,28-0,35)
(1 2 .3 8 )
P'sh = U t3Y6 . i o " f , - k v t
(12‘39)
bu yerd a
2Ш-
ish jih o z in in g tuproq b ilan tish la sh ish u z u n lig i,
= (1,2 - 1,3X6+~ ^ r> , m
(12.40)
smfl
Ish jara y o n id a kanal q a z g ic h n in g y u rish ig a q arshi k u ch iarn in g
y i g ‘ in d isi q u y id a g i ifo d a orqali aniqlanadi:
£F = Fyu+Flsh+F1 + 2F4,k N
(12.41)
bu y er d a Fyu- kanal q a z g ic h n in g y u rish g a k o ‘rsatadigan q arsh ilik
k u ch i, k N ; F,Sh-ish jih o z in in g q arsh ilik k uchi, k N ; F j-in ersiya k u ch in in g
q a rsh ilig i, k N ; Fq- kanal q irg ‘o g ‘ini h o sil q ilg ic h n in g q arsh ilik k u ch i,
k N .
K an al q a zg ic h n in g yu rish g a k o ‘rsatadigan q arsh ilik k u ch i q u y id a g i
form u la bilan an iqlanad i
(12.3-rasm)
Fyu= ( R , + R 2)(fM± i ) , k N
(1 2 .4 2 )
bu yerd a
R ,- traktorni yu rish u sk u n a sig a tu p roq n in g norm al
rea k siy a q arsh ilik k u ch i, k N
(12.3- rasmdan,
I Z = 0 , shart orqali
to p ilad i); R 2- ish j ih o z ig a y o rd a m ch i c h a n g ‘i y o k i g ‘ildirak ta y a n ch in in g
tuproqqa b eradigan norm al ta ’sir k uchi, k N
(12.3-rasm dan,
S M A = 0 ,
shart orqali an iqlanad i),
IZ = 0 b o ‘ Iganda,
R, = (m T + mish)g + ZRv + Rov- R 2, k N
ш А=0 boMganda,
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