Norm

NEN-EN 1504-9:2008 Ontw. en

Producten en systemen voor de bescherming en reparatie van betonconstructies - Definities, eisen, kwaliteitsborging en conformiteitsbeoordeling - Deel 9: Algemene principes voor het gebruik van producten en systemen

  • Deze norm is ingetrokken sinds 29-09-2008

29,20

Over deze norm

Status Ingetrokken
Aantal pagina's 32
Commissie Beton
Gepubliceerd op 01-04-2008
Taal Engels
This Part of EN 1504 sets out basic considerations for specification of protection and repair of reinforced and unreinforced concrete structures (including, for example, pavements, runways, floor slabs and pre-stressed structures) using products and systems specified in other Parts of the EN 1504 series or any other relevant European Standard or European Technical Approval. This Standard covers atmospherically exposed, buried and submerged structures.This European Standard includes:a) the need for inspection, testing and assessment before and after repair;b) protection from causes of defects and their repair in concrete structures. Causes of such defects may include 1) mechanical actions, e.g. impact, overloading, movement caused by settlement, blast, vibration and seismic actions;2) chemical and biological actions from environments, e.g. sulphate attack, alkali aggregate reaction;3) physical actions, e.g. freeze-thaw, thermal cracking, moisture movement, salt crystallisation and erosion;4) fire damage5) reinforcement corrosion resulting from:i) physical loss of the protective concrete cover;ii) chemical loss of alkalinity in the protective concrete cover as a result of reaction with atmospheric carbon dioxide (carbonation);iii) chloride (or other chemical) contamination of the concreteiv) stray electrical currents conducted or induced in the reinforcement from neighbouring electrical installations.c) repair of defects caused by inadequate design, specification or construction or use of unsuitable construction materials;d) providing the required structural capacity by: 1) replacement or addition of embedded or external reinforcement;2) filling of cracks and voids within or between elements to ensure structural continuity;3) replacement or addition of concrete or whole elementse) waterproofing as an integral part of protection and repair;f) principles and methods of protection and repair, for example those listed in Table 1

Details

ICS-code 01.040.91
91.080.40
Nederlandse titel Producten en systemen voor de bescherming en reparatie van betonconstructies - Definities, eisen, kwaliteitsborging en conformiteitsbeoordeling - Deel 9: Algemene principes voor het gebruik van producten en systemen
Engelse titel Products and systems for the protection and repair of concrete structures - Definitions, requirements, quality control and evaluation of conformity - Part 9: General principals for use of products and systems
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