JB 4732-1995 (JB4732-1995)

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JB 4732-1995: PDF in English

ucs 23.020.30
J74 JB
PROFESSIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
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Steel Pressure Vessels-Design by Analysis
m ifftl & n $ ~ * fJT 19. it f$ rt
( ~)(Wj)
ISSUED ON. MARCH 7, 1995
IMPLEMENTED ON. OCTOBER 15, 1995
Issued by. Former Ministry of Machine-Building Industry
Former Ministry of Chemical Industry
Former Ministry of Labor
Former China Petroleum & Chemical Corporation
1 S11bject Contents and Scope ... "' ... 1
1.1 Subject Co11tent ... l
1.2 Scope ... l
2 Normative References ... l
3 General Provisio11s ... 3
4 Terms ... 17
4 .1 Stress Intensity ... 1 7
4.2 Gross Structural Discontinuity ... 17
4.3 Local Structural Discontinuity ... 18
4.4 Nor1nal Stress ... 18
4.5 Shear Stress ... 18
4.6 Membra11e Stress ... 18
4.7 Be11ding Stress ... 18
4.8 Prilnary Stress ... 18
4.9 Secondary Stress Q ... 19
4.10 Peak.StressF ... 20
4.11 Load Stress ... 20
4.12 Thermal Stress ... 20
4.13 Operating Cycle ... 22
4.14 Stress Cycle ... 22
4.15 Defor1natio11 ... 23
4.16 I11elasticity ... 23
4.17 Fatigue ... 25
5 General Standards of Design by Analysis ... 25
5 .1 General Rules ... 25
5 .2 Calculation of Stress Intensity ... 25
5.3 Allowable Limit ofVarious Stress Intensity ... 27
5 .4 Application of Plastic Analysis ... 28
I.1 Forms of Tube Plate Connection Structure ... 265
I.2 Sy1nbol Description ... 268
1.3 Stress Analysis on the Tube Plate of the U-tube Heat Exchanger and Other Relevant
Compo11ents ... 275
I.4 Stress Analysis on the Tube Plate of the Floating Head and Packing-gland Heat
Exchanger and Other Relevant Components ... 282
1.5 Stress Analysis on the Tube Plate of the Fixed Heat Exchanger and Other Relevant
Components ... 289
Appendix J (Informative) Stress Analysis of Cylindrical Shell Opening Nozzle ... 302
J .1 Application Scope ... 3 02
J.2 Sy1nbol Expla11ation ... 303
J.3 Calculatio11 Procedures ... 303
J.4 Thickness Adjust1nent ... 304
Appendix K (Informative) Basic Requirements for Finite Element Calculation Procedures and
Analysis Staff ... 3 13
K. l Calculation Procedures ... 3 13
K.2 A11alysis Staff ... 313
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