BS EN 459-1 PDF

It supersedes BS EN which is withdrawn. A list of organizations represented on this committee can be obtained on request to its secretary. BS EN contains significant changes from BS EN , in terms of its structure, the applications covered, and the physical requirements. The standard now refers to the production of construction products e. The standard has been divided into two self contained families, covering Air lime and Lime with hydraulic properties and their subfamilies listed below.

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It supersedes BS EN which is withdrawn. A list of organizations represented on this committee can be obtained on request to its secretary. BS EN contains significant changes from BS EN , in terms of its structure, the applications covered, and the physical requirements. The standard now refers to the production of construction products e. The standard has been divided into two self contained families, covering Air lime and Lime with hydraulic properties and their subfamilies listed below.

Air lime The significant change to the physical requirements and properties of Air lime in the form of quicklime is that particle size and reactivity are now also included. Lime with Hydraulic Properties The significant changes to the classification of products under the Lime with hydraulic properties section are as follows.

Where cement is a constituent, it is required to be declared. This publication does not purport to include all the necessary provisions of a contract.

Users are responsible for its correct application. Amendments issued since publication.

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BS EN 459-1 PDF

A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. This document supersedes EN This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January , and conflicting national standards shall be withdrawn at the latest by January

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BS EN 459-1:2010

PY - Y1 - N2 - Natural hydraulic lime NHL binders consist mainly of portlandite, reactive silicates, and aluminates formed from the reaction of crushed limestone, containing clays or other impurities, during calcination. By their nature, these binders have a variable chemical and mineral composition, depending on thegeographical location of the limestone extraction initial composition and the manufacturing process. The NHL classification, as specified in BS EN , does not consistently give a representative indication of the properties of mortars made with particularNHL binders, because different limes in the same classification often exhibit very different properties and behaviour, thereby hindering the ease of userspecification for mortars. A representative selection of binders was characterised using calorimetric analysis, X-ray diffraction, X-ray fluorescence, and particle size analysis. The varying proportions of reactive mineral phases between the limes were related to the kinetics of the hydraulic reaction of the NHL binders and their chemical and physical properties. A relationship has been established between the chemical and physical properties of the binders and the NHLcharacteristics.

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Vigal The Red document status indicator indicates that the document is an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS. Classification systems, Designations, Construction engineering works, Slaked lime, Construction materials, Particle size distribution, Binding agents, Physical properties of materials, Conformity, Quicklime, Dolomite, Concretes, Lime, Hydraulic lime, Calcium oxide, Mortars, Air, Chemical composition, Calcium silicate bricks, Lime-stabilized soils. Definitions, specifications and conformity criteria. Accept and continue Learn more about the cookies we use and how to change your settings. Definitions, specifications and conformity criteria Also specifies requirements for their chemical and physical properties, which depend on the type of building lime, and the conformity criteria.

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Is BS EN 459-1:2015 fit for purpose in the context of conservation?

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