EN 991:1995
(Main)Determination of the dimension of prefabricated reinforced components made of autoclaved aerated concrete or lightweight aggregate concrete with open structure
Determination of the dimension of prefabricated reinforced components made of autoclaved aerated concrete or lightweight aggregate concrete with open structure
This European standard specifies a method of determining the essential dimensions and of verification of squareness of prefabricated reinforced components made of autoclaved aerated (ACC) or lightweight aggregate concrete with open structure according to prEN 1520.
Bestimmung der Maße vorgefertigter bewehrter Bauteile aus dampfgehärtetem Porenbeton oder haufwerksporigem Leichtbeton
Diese europäische Norm enthält Festlegungen für ein Verfahren zur Bestimmung der wesentlichen Maße und zur Überprüfung der Rechtwinkligkeit von vorgefertigten bewehrten Bauteilen aus dampfgehärtetem Porenbeton (ACC) oder haufwerksporigem Leichtbeton nach prEN 1520.
Détermination des dimensions de composants préfabriqués armés en béton cellulaire autoclavé ou en béton de granulats légers à structure ouverte
Cette norme européenne spécifie un mode opératoire pour déterminer les dimensions essentielles et vérifier l'équarrissage de composants préfabriqués armés en béton cellulaire autoclavé (ACC) ou en béton de granulats légers à structure ouverte conformément à la norme prEN 1520.
Določevanje mer montažnih armiranih elementov iz avtoklaviranega celičastega betona ali betona iz lahkega agregata z odprto strukturo
General Information
- Status
- Published
- Publication Date
- 30-May-1995
- Withdrawal Date
- 29-Nov-1995
- Technical Committee
- CEN/TC 177 - Prefabricated reinforced components of autoclaved aerated concrete or light-weight aggregate concret
- Drafting Committee
- CEN/TC 177/WG 3 - Test methods
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 05-Sep-2022
- Completion Date
- 11-Feb-2026
- Directive
- Harmonized Standard305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
Not Harmonized89/106/EEC - Construction products
Relations
- Effective Date
- 28-Jan-2026
- Referred By
EN 12602:2008+A1:2013 - Prefabricated reinforced components of autoclaved aerated concrete - Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Overview
EN 991:1995 is a European standard published by CEN that outlines methods for determining the dimensions and verifying the squareness of prefabricated reinforced components made from autoclaved aerated concrete (AAC) or lightweight aggregate concrete (with open structure). This standard is closely related to prEN 1520, which addresses broader requirements for such prefabricated components in the construction sector.
EN 991:1995 aims to ensure consistent quality, precision, and interoperability of prefabricated concrete elements used in various building applications. Accurate determination of dimensions and squareness is essential for safe installation, structural integrity, and compliance with structural design specifications.
Key Topics
- Dimension Measurement: The standard specifies procedures for determining key dimensions, such as length, width, and thickness of prefabricated reinforced concrete components.
- Verification of Squareness: EN 991:1995 provides a method to assess and verify the squareness of the elements, ensuring that all angles meet specified tolerances for effective assembly.
- Applicability: The methods apply to components manufactured from both autoclaved aerated concrete (AAC) and lightweight aggregate concrete, provided they have an open structure as defined in related standards.
Applications
EN 991:1995 is particularly valuable for industries and organizations involved in:
- Manufacturing Prefabricated Concrete Components: Ensures products meet precise dimensional requirements and are ready for on-site assembly.
- Quality Control: Supports the assessment and verification of manufactured reinforced concrete parts before delivery and installation.
- Construction and Civil Engineering Projects: Used during the design and execution phases to guarantee component compatibility and structural reliability in residential, commercial, and industrial buildings.
- Compliance Audits: Assists in demonstrating conformity with European construction product standards, reducing risks related to installation errors and structural defects.
By implementing EN 991:1995, manufacturers and contractors can achieve higher product reliability, reduced installation time, and enhanced building safety.
Related Standards
For a comprehensive approach to the design, manufacturing, and application of prefabricated reinforced concrete components, consider the following related European standards:
- prEN 1520: Covers wider requirements for reinforced components made from AAC or lightweight aggregate concrete with open structure.
- EN 206: Specifies requirements for concrete and concrete production.
- EN 13369: Addresses common rules for precast concrete products.
- EN 1992 (Eurocode 2): Provides the design framework for concrete structures, including those using prefabricated elements.
Aligning with EN 991:1995 and related standards helps ensure compliance with European regulations, improves product quality, and facilitates smooth integration of prefabricated components in modern construction processes.
Keywords: EN 991:1995, prefabricated reinforced components, autoclaved aerated concrete, lightweight aggregate concrete, dimension determination, squareness verification, CEN standard, construction quality, concrete products, European standards
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Frequently Asked Questions
EN 991:1995 is a standard published by the European Committee for Standardization (CEN). Its full title is "Determination of the dimension of prefabricated reinforced components made of autoclaved aerated concrete or lightweight aggregate concrete with open structure". This standard covers: This European standard specifies a method of determining the essential dimensions and of verification of squareness of prefabricated reinforced components made of autoclaved aerated (ACC) or lightweight aggregate concrete with open structure according to prEN 1520.
This European standard specifies a method of determining the essential dimensions and of verification of squareness of prefabricated reinforced components made of autoclaved aerated (ACC) or lightweight aggregate concrete with open structure according to prEN 1520.
EN 991:1995 is classified under the following ICS (International Classification for Standards) categories: 91.100.30 - Concrete and concrete products. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 991:1995 has the following relationships with other standards: It is inter standard links to EN 12602:2016, EN 12602:2008+A1:2013, EN 1740:1998, EN 1520:2011, EN 12602:2008. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 991:1995 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
EN 991:1995 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2001
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Determination of the dimension of prefabricated reinforced components made of
autoclaved aerated concrete or lightweight aggregate concrete with open structure
Bestimmung der Maße vorgefertigter bewehrter Bauteile aus dampfgehärtetem
Porenbeton oder haufwerksporigem Leichtbeton
Détermination des dimensions de composants préfabriqués armés en béton cellulaire
autoclavé ou en béton de granulats légers a structure ouverte
Ta slovenski standard je istoveten z: EN
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