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I.3.4. Plitaning solqiligini aniqash.........................................................................20
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| bet | 2/12 | | Sana | 06.12.2023 | | Hajmi | 338,34 Kb. | | #112899 |
Bog'liq Isakov Azat TBKI.3.4. Plitaning solqiligini aniqash.........................................................................20
II. Segmentli stropila fermasini xisoblash va loyihalash tо‘g‘risida........................21
II. 1.1. umumiy ma’lumot...............................................................................................22
II.1.2. Segmentli ferma hisobi...................................................................................23
II.1.3. Yuqori siqigan kamar xisoblash.........................................................................25
II.1.4. Pastki tortilgan kamar hisobi..........................................................................26
II.1.5. CHо‘zilgan qismini hisoblash...............................................................................27
II.1.6. Siqiluvchi qismlarni hisobi.............................................................................28
II.1.7. Ferma ustunlarini hisobi.................................................................................28
II.1.8.Ferma uzellarini hisoblash va konstruksiyalash…………………………………………….29
II.1.9.Tayanch uzellaridagi chetki armature hisobi……………………………..........................29
II.1.10.Oraliq uzellaridagi kо‘ndalang armatura hisobi…………………………………………30
Foydalanilgan adabiyetlar..........................................................................................31
I. Qovurg‘ali oldindan zо‘riqtirilgan orayopma plitani hisoblash va loyihalash.
I.1.1. Boshlang‘ich ma’lumotlar
Sinfi B25 bо‘lgan og‘ir betonning tavsiflari:
Rbn=Rb,ser=18.5 MPa
Rbt,n=Rbt,ser=1.6 MPa
Rb=14.5 MPa
Rbt=1.05 MPa
γb2=0.9
Eb=27 ·103 MPa
2. Armaturalar:
a) bо‘ylama oldindan zо‘riqtirilgan A-IV sinfli pо‘lat
armaturaning tavsiflari:
Rs.n=Rs,ser=590 MPa
Rs=510 MPa
Es=19 ·104 MPa
b) bо‘ylama A-III sinfli, diametri 10÷40 mm bо‘lgan pо‘lat
armaturaning tavsiflari:
Rs.n=Rs,ser=390 MPa
Rs=365 MPa
Es=20 ·104 MPa
v) kо‘ndalang A-II sinfli armaturaning tavsiflari:
Rs.n=Rs,ser=295 MPa
Rs=280 MPa
Rsw=225 MPa
Es=21 ·104 MPa
g) payvandlangan simtо‘r uchun Vr-I sinfli sim armatura qabul
qilinadi. Sim armaturaning tavsiflari:
ø 3 Vr-1 Rs=375 MPa
ø 4 Vr-1 Rs=365 MPa
ø 5 Vr-1 Rs=360 MPa
Es=17 ·104 MPa
Tom yopma plitasiga ta’sir etuvchi yuklar.
4. Oldindan zо‘riqtirilgan qovurg‘ali plitani tayyorlashda tayanchlarga elektrotermik taranglash usuli qо‘llanadi.
5. Orayopma plitani tayyorlash texnologiyasi – oqimli-agregatli.
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