CEN/TR 13121-5:2017

SLOVENSKI STANDARD
01-maj-2018
1DG]HPQLUH]HUYRDUMLLQSRVRGHL]XPHWQLKPDVRMDþDQLKVVWHNOHQLPLYODNQL
GHO3ULPHUL]UDþXQD
GRP tanks and vessels for use above ground - Part 5: Example calculation of a GRP-
vessel
Ta slovenski standard je istoveten z: CEN/TR 13121-5:2017
ICS:
23.020.10 1HSUHPLþQHSRVRGHLQ Stationary containers and
UH]HUYRDUML tanks
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN/TR 13121-5
TECHNICAL REPORT
RAPPORT TECHNIQUE
May 2017
TECHNISCHER BERICHT
ICS 23.020.10
English Version
GRP tanks and vessels for use above ground - Part 5:
Example calculation of a GRP-vessel

This Technical Report was approved by CEN on 18 April 2017. It has been drawn up by the Technical Committee CEN/TC 210.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TR 13121-5:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 5
Introduction . 6
1 Scope . 7
2 General . 7
3 Dimensions of the tank . 7
4 Building materials . 9
5 Loadings (9) . 9
6 Limit strain for laminate (8.2.2) . 11
7 Influence factors (7.9.5.2) . 11
8 Partial safety factors (Table 12) . 12
9 Combination factors (Table 11) . 12
10 Analysis of the cylinder . 12
10.1 Influence factor A . 12
10.2 Characteristic strength values . 13
10.3 Moduli of elasticity . 13
10.4 Analysis of the cylinder in axial direction . 13
10.4.1 Proof of strength (Ultimate limit state) . 14
10.4.2 Proof of strain (Serviceability limit state) . 17
10.4.3 Stability proof (Ultimate limit state) . 19
10.5 Analysis of the cylinder in tangential direction . 21
10.5.1 Strength analysis (Ultimate limit state) . 21
10.5.2 Proof of strain (Serviceability limit state) . 23
10.5.3 Stability proof for the cylindrical shell tangential (Ultimate limit state) . 23
10.5.4 Critical buckling pressure for rings (Ultimate limit state) . 24
10.6 Earthquake design of the cylinder . 26
10.6.1 Analysis of the cylinder in axial direction . 26
10.6.2 Analysis of the cylinder in tangential direction . 29
11 Opening in the cylinder . 30
11.1 Analysis in circumferential direction . 31
11.1.1 Proof of strength . 31
11.1.2 Proof of strain . 31
11.2 Analysis in axial direction . 32
11.2.1 Proof of strength . 32
11.2.2 Proof of strain . 32
12 Analysis of the skirt . 33
12.1 Internal forces of the skirt . 33
12.2 Proof of strength (Ultimate limit state) . 34
12.2.1 Design value of actions . 34
12.2.2 Design value of corresponding resistance . 34
12.2.3 Verification . 35
12.3 Proof of strain (Serviceability limit state) . 35
12.3.1 Design value of actions . 35
12.3.2 Limit design value of serviceability criterion. 35
12.3.3 Verification . 35
12.4 Stability proof (Ultimate limit state) . 35
12.4.1 Design value of actions . 35
12.4.2 Design value of corresponding resistance . 36
12.4.3 Verification . 36
12.5 Earthquake design of the skirt . 36
12.5.1 Internal forces Earthquake . 36
12.5.2 Proof of strength (Ultimate limit state) . 37
12.5.3 Proof of strain (Serviceability limit state) . 37
12.5.4 Stability proof (Ultimate limit state) . 38
13 Overlay laminate connection skirt - vessel . 39
13.1 Proof of strength (Ultimate limit state) . 39
13.1.1 Design value of actions . 39
13.1.2 Design value of corresponding resistance . 40
13.1.3 Verification . 40
13.2 Proof of strain (Serviceability limit state) . 40
13.2.1 Design value of actions . 40
13.2.2 Limit design value of serviceability criterion. 40
13.2.3 Verification . 40
13.3 Seismic design of the skirt overlay . 41
13.3.1 Proof of strength (Ultimate limit state) . 41
13.3.2 Proof of strain (Serviceability limit state) . 41
14 Analysis of the bottom . 42
14.1 Influence factor A . 42
14.2 Characteristic strength values . 42
14.3 Moduli of elasticity . 42
14.4 Actions, which cause internal forces for the bottom . 42
14.5 Strength analysis (Ultimate limit state) . 42
14.5.1 Design value of actions . 42
14.5.2 Proof of strain (Serviceability limit state) . 44
14.5.3 Stability proof of the bottom (Ultimate limit state) . 45
15 Lower part of the cylinder (Region 1) . 46
15.1 Strength analysis (Ultimate limit state) . 46
15.1.1 Design value of corresponding resistance . 47
15.1.2 Verification . 47
15.2 Proof of strain (Serviceability limit state) . 47
15.2.1 Design value of actions . 47
15.2.2 Limit design value of serviceability criterion. 47
15.2.3 Verification . 47
15.3 Earthquake design of region 1 (Ultimate limit state) . 48
15.3.1 Strength analysis (Ultimate limit state) .
...