/home/gencode/overflow/cen/w12573p3/125 1 676 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |[.]
BRITISH STANDARD Welded static non-pressurized thermoplastic tanks Ð Part 3: Design and calculation for single skin rectangular tanks The European Standard EN 12573-3:2000 has the status of a British Standard ICS 23.020.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BS EN 12573-3:2000 BS EN 12573-3:2000 National foreword This British Standard is the official English language version of EN 12573-3:2000 The UK participation in its preparation was entrusted to Technical Committee PRI/62, Static thermoplastic tanks, which has the responsibility to: Ð aid enquirers to understand the text; Ð present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; Ð monitor related international and European developments and promulgate them in the UK A list of organizations represented on this committee can be obtained on request to its secretary Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled ªInternational Standards Correspondence Indexº, or by using the ªFindº facility of the BSI Standards Electronic Catalogue A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application Compliance with a British Standard does not of itself confer immunity from legal obligations Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages to 33 and a back cover The BSI copyright notice displayed in this document indicates when the document was last issued This British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 November 2000 BSI 11-2000 ISBN 580 34919 Amendments issued since publication Amd No Date Comments (1 (8523($167$1'$5' 1250((8523e(11( (8523b,6&+(1250 0DUFK ,&6 (QJOLVKYHUVLRQ :HOGHGVWDWLFQRQSUHVVXUL]HGWKHUPRSODVWLFWDQNV3DUW 'HVLJQDQGFDOFXODWLRQIRUVLQJOHVNLQUHFWDQJXODUWDQNV &XYHVVWDWLTXHVVRXGpHVHQPDWLqUHVWKHUPRSODVWLTXHV VDQVSUHVVLRQ3DUWLH &RQFHSWLRQHWFDOFXOGHVFXYHV SDUDOOpOpSLSpGLTXHVUHFWDQJOHVjVLPSOHSDURL *HVFKZHLWHRUWVIHVWHGUXFNORVH%HKlOWHU 7DQNV DXV 7KHUPRSODVWHQ7HLO .RQVWUXNWLRQXQG%HUHFKQXQJYRQ HLQZDQGLJHQ5HFKWHFNEHKl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e (8523e(1 '( 1250$/,6$7,21 (8523b,6&+(6 20,7(( )h5 125081* &HQWUDO6HFUHWDULDW UXHGH6WDVVDUW%%UXVVHOV &(1 $OOULJKWVRIH[SORLWDWLRQLQDQ\IRUPDQGE\DQ\PHDQVUHVHUYHG ZRUOGZLGHIRU&(1QDWLRQDO0HPEHUV 5HI1R(1 ( Page EN 12573-3:2000 &RQWHQWV 3DJH Foreword Scope Normative references Definitions, symbols and abbreviations 3.1 Definitions 3.2 Symbols and abbreviations 4 General considerations in design calculations 5 Unstiffened tanks sitting on a continuous flat rigid surface 5.1 General 5.2 Aspect ratio x/y < 0,5 5.3 Aspect ratio 0,5 x/y 5.4 Aspect ratio x/y > Tanks with rim stiffening supported on a continuous flat rigid surface 6.1 Calculation of the skin thickness 6.2 Calculation of rim stiffeners 10 Tanks with intermediate horizontal stiffeners supported on a continuous flat rigid surface 11 7.1 General 11 7.2 Calculation of the minimum skin thickness 11 7.3 Calculation of the horizontal stiffeners 13 Tanks with cross-ribbed horizontal and vertical stiffeners supported on a continuous rigid surface 14 8.1 Calculation of the minimum skin thickness, base thickness and properties of horizontal stiffeners 14 8.2 Calculation of the properties of vertical stiffeners 14 Rectangular tanks with U-frame 15 9.1 General 15 9.2 Calculation of the skin thickness of the side walls 15 9.3 Determination of the tank base 15 9.4 Calculation of the U-frame stiffening 16 10 Determination of the tank cover 16 10.1 General 16 10.2 Freely supported tank cover 16 10.3 Fixed tank cover 17 10.4 Stiffened tank cover 19 Annex A (informative) Construction details for rectangular tanks 21 Annex B (informative) Special cases 30 Annex C (informative) A-deviations 32 Bibliography 33 Page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