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TNH TON B DY V THIT B

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I - C s tnh tonII -V d minh ha

LOGOI- c s tnh ton

ASME VIII, 2013 division 1 & 2: B dy v thit b chu p sut trong

B dy yu cu ti thiu ca v thit bchu p sut trong khng c b hnb dy tnh ton bi cc cng thcc gii thiu sau

LOGOI- c s tnh ton1. Tnh ton thit b chu p suttrong thng thng

- p sut ni P 3000 psi- B dy thit b t 0.5Ri- p sut ni P 0.385SE

2. Tnh ton thit b p cao- p sut ni P 3000 psi- B dy thit b t 0.5Ri- p sut ni P 1.25SE

LOGOI- c s tnh ton

Cc k hiu:E: H s bn mi hnP: p sut thit k trong [psi]R: bn knh trong [in]S: ng sut cho php ti a [psi]t: b dy v thit b ti thiu [in]

LOGOI- c s tnh ton

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(a) Tnh ton b dy theo ng sut tipkhi b dy khng vt qu bn knh trong, hoc p sut thit k khng vt qu 0.385SEc th s dng cng thc sau:

1. Tnh ton thit b chu p sut trongthng thng

LOGO

(a) Tnh ton b dy theo ng sut tipkhi b dy khng vt qu bn knh trong, hoc p sut thit k khng vt qu 0.385SEc th s dng cng thc sau:

1. Tnh ton thit b chu p sut trongthng thng

LOGO

(b) Tnh ton b dy theo ng sut dc trckhi b dy khng vt qu bn knh trong, hoc p sut thit k khng vt qu 1.25SE th c th s dng cng thc sau:

1. Tnh ton thit b chu p sut trongthng thng

LOGO

(b) Tnh ton b dy theo ng sut dc trckhi b dy khng vt qu bn knh trong, hoc p sut thit k khng vt qu 1.25SE th c th s dng cng thc sau:

1. Tnh ton thit b chu p sut trongthng thng

LOGOTnh theo

ng sut tip

Tnh theo ngsut dc trc

LOGO2. Tnh ton thit b p cao

(a) Tnh theo ng sut chu viKhi b dy v thit b chu p sut trong vtqu bn knh trong ca thit b, hoc l psut P vt qu 0.385SE th c th s dngcng thc sau

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(b) Tnh theo ng sut dc trcKhi b dy v thit b chu p sut trong vt qu bn knh trong ca thit b, hoc p sut vtqu 1.25SE th c th s dng cng thc sau:

2. Tnh ton thit b p cao

LOGOTrnh t thit k

i.Chn vt liu

ii.Chn h s bn mi hn

iii.Tnh ton ng sut cho php ti a

LOGOi.Chn vt liu

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LOGOii.Chn h s bn mi hn

LOGOiii.Tnh ton ng sut cho php ti a

www.themegallery.com Company Logo

LOGOiii.Tnh ton ng sut cho php ti a

ASME Section VIII Division 1S = min(UTS/3.5,Yeild/1.5)

ASME Section VIII Division 2S = min(UTS/2.4,Yeild/1.5)

LOGOiii.Tnh ton ng sut cho php ti a

LOGOiii.Tnh ton ng sut cho php ti a

LOGOCc trng hp ngoi l

Ph lc 32, ASME VIII,1 vng mng cc b

L vng c b dynh hn b dy tithiu ca thit bdo tc ng cangoi lc lm choh hi

L: Chiu di theo hng trcC: Chiu di theo hng chu vi

LOGOCc trng hp ngoi l

Ph lc 32, ASME VIII,1 vng mng cc b

b dy ca vng mng cc b phi thamn nhng iu kin sau y

LOGOTnh ton b dy thnh thit b theo TCVN

Cc k hiu:Dn : ng knh ngoi ca thn, mmDt : ng knh trong ca thn, mm[s]l ng sut cho php khi ko , N/mm2;P: p sut tnh ton trong thit b, N/mm2;jh : h s bn ca mi hn

LOGOTnh ton b dy thnh thit b theo TCVN

vt liu bt k

LOGOTnh ton b dy thnh thit b theo TCVN

vt liu bt k

LOGOTnh ton b dy thnh thit b theo TCVN

kim loi ginv phi kim

LOGOTnh ton b dy thnh thit b theo TCVN

kim loi do

LOGOTnh ton b dy thnh thit b theo TCVN

kim loi do

LOGOTnh ton b dy thnh thit b theo TCVN

B dy thc ca thn tr: H s b sung b dy tnh

ton

iu kin

H s b sung do n mn ha

hc

LOGOTnh ton b dy thnh thit b theo TCVN

Kim tra p sut tnh ton cho php

iu kin

LOGOTnh ton b dy thnh thit b theo TCVN

Kim tra p sut tnh ton cho php

iu kin

kim loi do

Kim loi dn v phi kim loi

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