Mavzu: Kuchl ani

shl

ar

nishundayj

oyl

asht

i

r

i

shl

ozi

m bo’

l

si

nkiquyi

dagit

engsi

zl

i

kbaj

ar

i

l

si

n.



1

>



2

>



3

.

(

3)

Buniquyi

dagi

chat

ushunami

z.Al

gebr

ai

knuqt

ainazar

danbukuchl

ani

shl

ar

nibi

r

inol

ga,

boshqasit

o’

zuvchi60MPavauchi

nchi

sisi

quvchi-140MPat

enguhol

daul

ar

quyi

dagi

chabel

gi

l

anadi

.



1

=60MPa;



2

=0;



3

=-140MPa.

CHi

zi

ql

ikuchl

anganl

i

khol

at

i

.Bunday kuchl

anganl

i

k hol

at

iasosan cho’

zi

l

i

sh va

si

qi

l

i

shgai

shl

ayot

gankonst

r

ukt

si

yal

ar

dauchr

aydi

.

Ko’

ndal

angkesi

m yuzasi

nisoat

st

r

el

kasiyo’

nal

i

shi

gat

eskar

iyo’

nal

i

shi

nimusbatdebqabulqi

l

ami

z.

(

3-shakl

)

CHo’

zi

l

ayot

ganst

er

j

enko’

ndal

angkesi

mdaginor

malkuchl

ani

shquyi

dagi

gat

eng.

Ur

i

nmakuchl

ani

shl

arbuyuzadanol

ga

t

engbuyuzaboshyuzadi

r

.F

2

yuzaniF

0

ko’

ndal

angkesi

myuzasior

qal

ii

f

odal

aymi

z.

shakl

dan

yoki

Uhol

da(

a)gaasosan:

(

4)

hosi

lbo’

l

adi

.

(

5)

Nor

malkuchl

ani

shi

shor

asimusbatqachankiucho’

zuvchibo’

l

sa,agarel

ement

t

a’

si

r

i

dasoatst

r

el

kasiyo’

nal

i

shi

dabur

i

l

saur

i

nmakuchl

ani

shi

shor

asimusbatdeb

qabulqi

l

i

nadi

.

Balkuchl

ani

shl

archo’

zi

l

i

shda;

si

qi

l

i

shda



=



45

0

da(

10.

5)

danvasm2



=sm90

0

=1; cos90

0

=0bo’

l

gani

dan:

boshkuchl

ani

shniyar

mi

gat

eng

Demaksi

l

j

i

shyuzal

ar

iboshyuzal

arbi

l

an



=45

0

nit

ashki

let

arekan.

2.

Kuchl

ani

shhol

at

i

ni

ngkomponent

l

ar

i

.Kuchl

ani

shhol

at

i

ni

ngt

ur

l

ar

i

.

3-shakl

Agarbuboshkuchl

ani

shl

ar

ni

nguchal

asiham nol

danfar

ql

ibo’

l

sa,

kuchl

anganl

i

khol

at

i

haj

mi

yyokiucho’

ql

ikuchl

ani

shhol

at

ideyi

l

adi

Agari

kki

t

aboshkuchl

ani

shnol

danf

ar

ql

ibo’

l

sa,kuchl

ani

shhol

at

it

eki

s

yokii

kkio’

ql

ikuchl

ani

shhol

at

ideyi

l

adi

.

Agarf

aqatbi

t

t

agi

naboshkuchl

ani

shnol

danf

ar

ql

ibo’

l

sa,kuchl

ani

shhol

at

i

chi

zi

ql

iyokibi

ro’

ql

ikuchl

ani

shhol

at

ideyi

l

adi

1.Agar



1



0;



2

=



3

=0;bo’

l

sabundaykuchl

anganl

i

khol

at

ichi

zi

ql

iyokibi

ro’

ql

i

kuchl

anganl

i

khol

at

ideyi

l

adi

.

(

4-

shakla)

2.



1



0;



2



0;



3

=0;bo’

l

sat

eki

syokii

kkio’

ql

ikuchl

anganl

i

khol

at

idebyur

i

t

i

l

adi

.

(

4-

shaklb)

3.Agar



1



0;



2



0;



3



0.bo’

l

saxaj

mi

yyokiucho’

ql

ikuchl

anganl

i

kxol

at

ideb

yur

i

t

i

l

adi

.

(

4-

shaklv)

4-shakl

Keyi

ngi hol asosan mar

kazi

y cho’

zi

l

i

sh yoki si

qi

l

i

shga qar

shi

l

i

k ko’

r

sat

uvchi

konst

r

ukt

si

yael

ement

l

ar

i

dako’

puchr

aydi

.

3.

Teki

skuchl

ani

shxol

at

i

daqi

yakesi

ml

ar

dagikuchl

ani

shl

ar

nihi

sobl

ash,bosh

yuzal

ar

ni

nghol

at

i

niani

ql

ash,boshkuchl

ani

shl

ar

nihi

sobl

ash,ekst

r

emalur

i

nma

kuchl

ani

shl

ar

nihi

sobl

ash.

Teki

skuchl

anganl

i

khol

at

i

dagiel

ement

niol

ami

z.

SHakl

dan

buyer

da

u hol

da

bul

ar

ga

asosan

(

6)

10.

5-

SHakl

.

(

7)

Bunda

Qi

ya(

chi

zi

ql

i

)kuchl

anganl

i

kxol

at

i

-el

ement

l

ar

nioddi

ycho’

zi

l

i

shvasi

qi

l

i

sh

def

or

mat

si

yasi

gauchr

aganvaqt

i

dagiko’

ndal

angkesi

miyuzasi

gaqi

yaj

oyl

ashagan

yuzal

ar

i

dagikuchl

ani

shl

ar

ni

ngt

ar

qal

i

shqonuni

yat

i

nio’

r

ganadi

.

Mi

soluchun:fkucht

a’

si

r

i

dicho’

zi

l

ganst

er

j

enni

ngko’

ndal

angmkkesi

mibi

l

an



bur

chakhosi

lqi

l

uvchimnt

eki

sl

i

kyor

dami

dashust

er

j

ennikesami

z(

chi

zma,a).Mnqi

ya

kesi

mdahosi

lbo’

l

adi

gankuchl

ani

shl

ar

niani

ql

aymi

z.Kesi

l

ganqi

sml

ar

dani

iqi

smi

ni

qol

di

r

i

b(

chi

zma,b),uni

ngmuvozanat

i

nit

ekshi

r

ami

z.

Q

i

yakesi

mni

ngt

ashqionnor

mal

i

st

er

j

eno’

qibi

l

anham



bur

chakt

ashki

lqi

l

i

shiayondi

r

.St

er

j

enni

ngmnko’

ndal

angkesi

m

yuzi

niesaf



bi

l

anbel

gi

l

aymi

z.

R



-

ni

ngqi

ymat

iquyi

dagif

or

mul

adanani

ql

anadi

:

Bunda



0

=r

/f–ko’

ndal

angkesi

mni

ngnor

malkuchl

ani

shi

.



o’

zgar

gandat

o’

l

a

kuchl

ani

shr



ni

ngmi

qdor

iham o’

zgar

adi

.R



kuchl

ani

shniqi

yayuzagat

i

kvaunga

par

al

l

elt

ashki

let

uvchi

l

ar

i

gaaj

r

at

ami

z.Shundayqi

l

i

b,mnt

eki

sl

i

kdagibi

r

ornuqt

agat

a’

si

r

et

uvchit

o’

l

akuchl

ani

shr



bi

r

-

bi

r

i

gat

i

ki

kki

t

akuchl

ani

sh– nor

mal





kuchl

ani

shva

ur

i

nma





kuchl

ani

shgaaj

r

at

i

l

adi

:

Agarnor

malkuchl

ani

sht

ashqinor

malbo’

yl

abyo’

nal

samusbat

,akshol

damanfi

y

debol

i

nadi

.

Agart

ashqinor

mal

niur

i

nmakuchl

ani

shyo’

nal

i

shi

gat

omonqar

at

i

shuchun

unisoatst

r

el

kasiyur

i

shi

gaqar

abbur

i

shgat

o’

g’

r

ikel

sa,ur

i

nmakuchl

ani

shmusbat

,aks

hol

da manf

i

y ol

i

nadi

. St

er

j

en mat

er

i

al

i bu i

kki kuchl

ani

sh t

a’

si

r

i

dan i

kki hi

l

def

or

mat

si

yal

anadi

.Cho’

zi

l

gan st

er

j

endan i

kki

t