EN 978:1997
Current
The latest, up-to-date edition.
Underground tanks of glass-reinforced plastics (GRP) - Determination of factor alpha and factor beta
23-07-1997
Foreword
1 Scope
2 Normative references
3 Definitions
3.1 Factor alpha
3.2 Factor beta
4 Principle
5 Apparatus
5.1 Testing machine
5.2 Four point test rig
5.3 Measuring device
5.4 Oven for post curing
5.5 Waterbath
6 Test specimens
6.1 Number of test specimens
6.2 Shape and size of test specimens
7 Procedure
7.1 Determination of the initial beam stiffness
7.2 Determination of factor alpha
7.3 Determination of factor beta
8 Test Report
This European standard specifies a test method for the determination of the factor alpha and the factor beta of test specimens of tanks of glass reinforced thermosetting resins for the underground storage of liquids.
| Committee |
CEN/TC 210
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| NBN EN 978 : 1997 | Identical |
| UNE-EN 978:1998 | Identical |
| BS EN 978:1997 | Identical |
| UNI EN 978 : 1999 | Identical |
| NS EN 978 : 1ED 1997 | Identical |
| NF EN 19978 : 1997 | Identical |
| SN EN 978 : 1998 | Identical |
| NEN EN 978 : 1997 | Identical |
| I.S. EN 978:1998 | Identical |
| PN EN 978 : 2002 | Identical |
| DIN EN 978:1997-09 | Identical |
| DD CEN/TS 14632:2006 | Plastics piping systems for drainage, sewerage and water supply, pressure and non-pressure. Glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP). Guidance for the assessment of conformity |
| I.S. EN 12566-3:2016 | SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 3: PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS |
| EN 12566-3:2016 | Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants |
| 03/102154 DC : DRAFT MAY 2003 | CEN TS 14632 - PLASTICS PIPING SYSTEMS FOR DRAINAGE, SEWERAGE AND WATER SUPPLY, PRESSURE AND NON-PRESSURE - GLASS-REINFORCED THERMOSETTING PLASTICS (GRP) BASED ON UNSATURATED POLYESTER RESIN (UP) - GUIDANCE FOR THE ASSESSMENT OF CONFORMITY |
| S.R. CEN/TS 14632:2012 | PLASTICS PIPING SYSTEMS FOR DRAINAGE, SEWERAGE AND WATER SUPPLY, PRESSURE AND NON-PRESSURE - GLASS-REINFORCED THERMOSETTING PLASTICS (GRP) BASED ON UNSATURATED POLYESTER RESIN (UP) - GUIDANCE FOR THE ASSESSMENT OF CONFORMITY |
| DIN EN 858-1:2002-05 | CONTINUOUS HANDLING EQUIPMENT AND SYSTEMS - PART 1: SAFETY AND EMC REQUIREMENTS FOR THE EQUIPMENT FOR THE STORAGE OF BULK MATERIALS IN SILOS, BUNKERS, BINS AND HOPPERS |
| UNI CEN/TS 14632 : 2012 | PLASTICS PIPING SYSTEMS FOR DRAINAGE, SEWERAGE AND WATER SUPPLY, PRESSURE AND NON-PRESSURE - GLASS-REINFORCED THERMOSETTING PLASTICS (GRP) BASED ON UNSATURATED POLYESTER RESIN (UP) - GUIDANCE FOR THE ASSESSMENT OF CONFORMITTY |
| UNE-EN 12566-3:2017 | Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants |
| BS EN 12566-3 : 2005 | SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 3: PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS |
| CEN/TS 14632:2012 | Plastics piping systems for drainage, sewerage and water supply, pressure and non-pressure - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Guidance for the assessment of conformity |
| EN 976-1:1997 | Underground tanks of glass-reinforced plastics (GRP) - Horizontal cylindrical tanks for the non-pressure storage of liquid petroleum based fuels - Part 1: Requirements and test methods for single wall tanks |
| I.S. CEN TS 14632:2006 | PLASTICS PIPING SYSTEMS FOR DRAINAGE, SEWERAGE AND WATER SUPPLY, PRESSURE AND NON-PRESSURE - GLASS-REINFORCED THERMOSETTING PLASTICS (GRP) BASED ON POLYESTER RESIN (UP) - GUIDANCE FOR THE ASSESSMENT OF CONFORMITY |
| PD CEN/TS 14632:2012 | Plastics piping systems for drainage, sewerage and water supply, pressure and non-pressure. Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP). Guidance for the assessment of conformity |
| 16/30329416 DC : 0 | BS EN 12566-3 - SMALL WASTEWATER TREATMENT SYSTEMS UP TO 50 PT - PART 3: PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS |
| BS EN 1825-1:2004 | Grease separators Principles of design, performance and testing, marking and quality control |
| BS EN 858-1:2002 | Separator systems for light liquids (e.g. oil and petrol) Principles of product design, performance and testing, marking and quality control |
| DIN EN 1825-1:2004-12 | Grease separators - Part 1: Principles of design, performance and testing, marking and quality control; German version EN 1825-1:2004 |
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