Class 1 units for external use, and class 2 units for internal use, in concrete, clay, copper, aluminium, steel. Full text of en 197 1 cement composition see other formats european standard norme europeenne europaische norm en 197 1 june 2000 ics 91. In keeping with this, reported work was carried out to assess the environmental impact of bs en 197 1 binary and ternary cement concretes and thus their suitability for use in low carbon concrete construction. Bs en 1971 description for portland fly ash cement bs en 197 cem iibv 42. Common cements conforming to this standard, where the intended use is for the. The concrete construction industry is continued to put a greater emphasis on adopting more sustainable practices. The procedures for such an exchange are not within the scope of en 1971 but should. Composition, specifications and conformity criteria for common cements british standard this european standard defines and gives the specifications of 27 distinct common cements, 7 sulfate resisting common cements as well as 3 distinct low early strength blast furnace cements and 2 sulfate resisting low early strength blast furnace cements and their constituents. Deformation properties of structural concrete made with bs en 1971 portland limestone cement find, read. In accordance with en 197 1 and en 197 4 1, cement is also categorised by strength class as well as cement type, and these categories are shown in table 3, where there are minimum limits to earlyage strength and limits for 28day strength. For mc 5 the portland cement clinker content is required to be a minimum of 25%, for the other classes a minimum of 40%. Description of jk white cement bs en 1971 cem i 52. Composition, specifications and conformity criteria for common cements. Document history converts and supersedes dd env 1971.
Balamohan balakrishnan, of holcim malaysia, has written a cement calculator an excel spreadsheet his en 1971. Determination of the water soluble chromium vi content of cement bs en 197 1. Types of cement and their composition according to en 1971 main cement type designation cement type composition parts by weight in %1 main components portland cement clinker slag silica dust minor components pozzolans fly ashes natural artificial high silica high lime burnt shale limestone. In accordance with en 1971 and en 1974 1, cement is also categorised by strength class as well as cement type, and these categories are shown in table 3, where there are minimum limits to earlyage strength and limits for 28day strength. Bs en 1971 description for a portland fly ash cement e the standard strength class is the strength that will be achieved at twenty eight days by a prism of cement, sand and water of a fixed composition tested in a prescribed manner. Full text of en 19 7 1 ce ment composition see other formats european standard norme europeenne europaische norm en 1971 june 2000 ics 91. The quality of our premier bulk cement is guaranteed to meet in full the requirements of british standard bs en 1971 cement part 1. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. Composition, specifications and conformity criteria for common cements bs en 197 2. Composition, specifications and conformity criteria for common cements, category.
You may buy pdf and hard copy versions of standards directly using a. All bsi british standards available online in electronic and print formats. Also stated are the conformity criteria and the related rules. Tab31 mechanical and physical requirements for cement compressive strength mpa early strength standard strength class 2 days 7 days 28 days initial setting time min expansion mm 32.
Description of jk white cement product bs en 1971 cem ii 42. Description of jk white cement product bs en 197 1 cem ii 42. Class 1 units for external use, and class 2 units for internal use, in concrete, clay, copper, aluminium, steel, thermoplastics and plaster internal only. Full text of en 197 1 cement composition see other formats european standard norme europeenne europaische norm en 1971 june 2000 ics 91. The results shall comply with the requirements of standard en 1971, given in tab31. Scribd is the worlds largest social reading and publishing site.
A cem i, 52,5n portland cement used for reference concrete mix for blending with fa, ggbs and sf to produce cem ii and cem v cements for the study. In keeping with this, reported work was carried out to assess the environmental impact of bs en 1971 binary and ternary cement concretes and thus their. Composition, specifications and conformity criteria for common cements british standard this part of this european standard defines and gives the specifications of 27 distinct common cement products and their constituents. Cement portlandfly ash cement bs en 1971 cem il bv 32,5 n material datasheet cemex is a world leader in packed cement, backed with excellent technical expertise in blended cements and fly ash for more than 20 years. Msc candidate, structural engineering and practice, school. Note 1 in addition to the specified requirements, an exchange of additional information between the cement manufacturer and user may be helpful. En 1971 also states the conformity criteria and the related rules. Sr en 197 1 pdf european standards en 1971 cement composition. The procedures for such an exchange are not within the scope of en 197 1 but should. Pcrm pccp pc ferrocrete snowcrete microcem phoenix ecophoenix plc cemergi procem mastercrete general purpose sulfacrete section 2. Composition, specifications and conformity criteria for common cements ciment partie 1.
Cement period cem i 42,5 r bsen 1971 december, 2018. Suitability of bs en 1971 cem ii and cem v cement for. Composition, specifications and conformity criteria for common cements pd centr 16349. This standard is a harmonised european standard hen. Pdf bsi standards publication cement sufian kamaruddin. Learning text part 02 mineral products association.
Compostition, specifications et criteres zement teil 1. Find the most uptodate version of bs en 1971 at engineering360. Product name en 1971 common cements substance einecs cas portland cement clinker 2660434 65997151 trade names. Bs en 1971 specified that the initial setting time for opc shall not be less than 45 minutes, and the final set shall not exceed 10 hours. Suitability of bs en 1971 cem ii and cem v cement for production of low carbon concrete article in construction and building materials 71. The following bibliographic material is provided to assist you with your purchasing decision. Description of jk white cement product bs en 1971 cem ii. Document history converts and supersedes dd env 197 1. Bs en 197 1 specified that the initial setting time for.
If the initial setting time is too short, concreters will not have sufficient time to complete the concreting work, as all placing and compaction of fresh concrete shall be completed before initial set occurs. En 197 1 cement composition by scc, cement, mix proportioing. Product name en 197 1 common cements substance einecs cas portland cement clinker 2660434 6599715 1 trade names. Deformation properties of structural concrete made with bs en. Provides specifications of 27 common cement products and their constituents. Composition, specifications and conformity criteria for common cements incorporating corrigendum november 2011. Determination of strength published by the european committee for standardization cen. Material datasheet cement portlandfly ash cement bs en. Request pdf suitability of bs en 1971 cem ii and cem v cement for production of low carbon concrete the environmental destruction of global warming as a result of excessive releasing carbon. Find the most uptodate version of bs en 197 1 at engineering360. Just download it to somewhere convenient and you can check compositions at will, or use it as a training tool. Such a cement is produced at a given factory and belongs to a particular type and a particular strength class, as defined and specified in the relevant product specification standard.